Johnson Controls TYCO DPV-1 Instruction manual

Model DPV-1 Dry Pipe Valve
External Resetting
Page 1 of 20 MAY 2020 TFP1020
Worldwide
Contacts
www.tyco-fire.com
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
General
Description
The TYCO Model DPV-1 Dry Pipe
Valves are differential valves used to
automatically control the flow of water
into dry pipe fire protection sprinkler
systems upon operation of one or more
automatic sprinklers. The DPV-1 also
provides for actuation of fire alarms
upon system operation. The Model
DPV-1 features are as follows:
• External reset.
• 250 psi (17,2 bar) pressure rating.
• Unique offset single clapper design
enabling a simple compact valve to
minimize installation labor.
• Ductile iron construction to ensure
a lightweight valve to minimize ship-
ping cost.
• A variety of inlet and outlet
connections.
• Compact, Pre-Trimmed, and Semi-
Assembled, easy to operate valve
trim.
• Simple reset procedure through the
elimination of priming water.
Dry pipe sprinkler systems are used
in unheated warehouses, parking
garages, store windows, attic
spaces, loading docks, and other
areas exposed to freezing tempera-
tures, where water filled pipe cannot
be utilized. When set for service, the
dry pipe sprinkler system is pressur-
ized with air (or nitrogen). The loss of
pressure through an operated auto-
matic sprinkler in response to heat
from a fire permits the DPV-1 Dry
Pipe Valve to open and allow a flow of
water into the sprinkler system piping.
Table B establishes the minimum
required system air pressure that
includes a safety factor to help prevent
false operations that might occur due
to water supply fluctuations.
NOTICE
The Model DPV-1 Dry Pipe Valves
described herein must be installed
and maintained in compliance with
this document, as well as with the
applicable standards of the National
Fire Protection Association, in addition
to the standards of any other authori-
ties having jurisdiction. Failure to do so
may impair the performance of these
devices.
The owner is responsible for main-
taining their fire protection system
and devices in proper operating con-
dition. Contact the installing contrac-
tor or product manufacturer with any
questions.
Technical Data
Approvals
UL and C-UL Listed
FM Approved
NYC Approved
Dry Pipe Valve
The TYCO Model DPV-1 Dry Pipe
Valves shall be installed in the verti-
cal orientation only (supply at bottom
flowing upward) and are rated for use at
a maximum service pressure of 250 psi
(17,2 bar). Valve and trim dimensions
are shown in Figure 6.
Flanged connections are available and
drilled per ANSI, ISO, AS, and JIS spec-
ifications, see Table A. The grooved
outlet connections, as applicable, are
cut in accordance with standard groove
specifications for steel pipe. They are
suitable for use with grooved end pipe
couplings that are listed or approved
for fire protection system service.
Available combinations of inlet and
outlet connections are described in
the Ordering Procedure section and in
the Available End Connection and Sizes
table on page 1.
Trim port connections of valves having
flanges drilled to ANSI, AS, or JIS spec-
Available Sizes and End Connections
End Connection
Nominal Valve Size
2-1/2 in.
(DN65)
3 in.
(DN80)
4 in.
(DN100)
6 in.
(DN150)
Flange x Flange N/A N/A • •
Flange x Groove N/A N/A • •
Groove x Groove • • • •
• = Available
N/A = Not Available

TFP1020
Page 2 of 20
1
2
3
6
7
8
10
11
12
15
17
18
4
5
13
14
16
(a)
(b)
(c)
9
(d)
(e)
Valve Body NR
NR
NR
(a)
(a) or (b)
(a)
(c) or (d)
Air and Water
Handhole Cover
Clapper
Clapper Facing
1/4" x 3/8" Long
Clapper Hinge
Reset Knob
Reset Spring
Reset Latch
Seat
Retaining Plate
#10-32 Shoulder
Pin
Handhole Cover
(b)Gasket
1/2-13 UNC x 1" Hex
CH
2-1/2 & 3 Inch
Clapper Facing
(a)
Head Cap Screw:
(a)Screw
(c)
Reset Bushing (c)
Reset Bushing
(b), (c) or (e)O-Ring
Reset Plunger
(b) or (c)O-Ring
Reset Plunger (c)
Dow Corning FS3452
(b) or (c)Grease, 1.5 g
Flourosilicone
Subassembly (c)
NO. DESCRIPTION REF.
Clapper Assembly
Repair Parts Kit
Reset Plunger Parts Kit
Includes Items 11-18
Includes Items 6-10:
Includes Items
4, 7, 14, 15, & 18:
CH4 Inch Valve
Valves
2-1/2 & 3 Inch Valves
4 Inch Valve
92-312-2-203
92-312-2-403
2-1/2 & 3 Inch Valves
4 Inch Valve
92-312-1-204
92-312-1-404
2-1/2 and 3 Inch Valves:
1/4-20 UNC x 1/2"
Socket Head Cap
(a)Screw
4 Inch Valve:
NR: Not Replaceable
CH: Common Hardware
NO. DESCRIPTION P/N
REPLACEMENT PARTS
92-312-1-405
92-312-1-406Reset Knob, Item 11
Reset Plunger
92-312-1-407O-Ring, Item 15
1
1
1
1
1
1
1
1
5
1
5
1
1
1
1
1
1
1
QTY.
6
7
. . . .
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. . .
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. .
. . .
. . . . . .
5
3
4
1
9
11
12
13
14
15, 18
16
17
2
6
7
8
10
CLAPPER
ASSEMBLY
RESET
PLUNGER
PARTS
FIGURE 1 - PART 1 OF 2
MODEL DPV-1 DRY PIPE VALVE
2-1/2, 3, AND 4 INCH (DN65, DN80, DN100) ASSEMBLIES

TF1020
Page 3 of 20
1
1
1
1
1
1
1
6
1
9
1
1
1
1
1
1
QTY.
1
8
QTY.
1
1
QTY.
1
. . . .
. . . . . .
. . . . .
. . .
. . . . . . . . . .
. .
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. .
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9
10
11
12
13
14
15
18
20
7
8
16
17
19
21
5
2
3
1
4
6
(a)
(b)
(c)
(d)
(e)
NR
(a)
(a) or (b)
(a)
(c) or (d)
Handhole Cover
Clapper
Clapper Facing
Socket Head Cap
Clapper Hinge Pin
Reset Knob
Reset Spring
Reset Latch
Subassembly (c)
Retaining Plate
Screw
Handhole Cover
(b)Gasket
Hex Head Cap Screw
CH5/8-11 UNC x 1"
Clapper Facing
(a)
(a)1/4-20 UNC x 1/2"
(c)
Reset Bushing (c)
Reset Bushing
(b), (c) or (e)O-Ring
Reset Plunger
(b) or (c)O-Ring
Reset Plunger (c)
Dow Corning FS3452
(b) or (c)Grease, 1.5 g
Flourosilicone
NO. DESCRIPTION REP. PART
NRAir Seal O-Ring
Socket Head Cap
Screw
NR3/8-16 UNC x 1"
NO. DESCRIPTION REP. PART
Air and Water
Water Seal
O-Ring NR
Valve Body NR
NO. DESCRIPTION REP. PART
NRSeat
NR: Not Replaceable
CH: Common Hardware
Clapper Assembly
Repair Parts Kit
Reset Plunger Parts Kit
Includes Items 14-21
Includes Items 9-13
Includes Items
7, 10, 17, 18, 21
92-312-1-405
NO. DESCRIPTION P/N
REPLACEMENT PARTS
92-312-2-603
92-312-1-604
92-312-1-406Reset Knob, Item 14
Reset Plunger
92-312-1-407O-Ring, Item 18
4
6
7
8
2
35
13
14
15
16
17
18, 21
19
20
9
10
11
12
1
CLAPPER
ASSEMBLY
RESET
PLUNGER
PARTS
FIGURE 1 - PART 2 OF 2
MODEL DPV-1 DRY PIPE VALVE
6 INCH (DN150) ASSEMBLY

TFP1020
Page 4 of 20
ifications are NPT threaded per ANSI
Standard B1.20.1. Trim port connec-
tions of valves having flanges drilled
to ISO are available either threaded
per ISO 7-1 or NPT threaded per ANSI
Standard B1.20.1. Valves with NPT
threaded ports will readily accept the
trim arrangements shown in Parts 2
and 3 of Figures 3, 4, and 5.
Model DPV-1 Valve assemblies are
shown in Figure 1. The Body and Hand-
hole Cover are ductile iron. The Hand-
hole Cover Gasket is neoprene, and
the Clapper Facing is EPDM. The Air/
Water Seat Ring is brass, the Clapper
is bronze or aluminum bronze, and both
the Clapper Retaining Plate and Latch
are bronze. The Hinge Pin is aluminum
bronze, and the fasteners for the Hand-
hole Cover are carbon steel.
Valve Trim
Installation dimensions are provided
in Figure 6, and Valve Trim and Pre-
Trimmed Valve Assemblies are shown
in Figures 3, 4, and 5.
The valve trim, ordered separately or as
a pre-trimmed valve assembly, forms
a part of the laboratory listings and
approvals of the DPV-1 Valve and is
necessary for the proper operation of
the DPV-1 Valve.
Trim packages or pre-trimmed valve
assemblies include the following
equipment:
• Water Supply Pressure Gauge
• System Air Pressure Gauge
• Air Supply Connections
• Main Drain Valve
• Low Body Drain Valve
• Alarm Test Valve
• Automatic Drain Valve
• Drip Funnel
• Connections For Optional Quick
Opening Device (Accelerator)
Pre-trimmed valve assemblies also
include the following equipment:
• Model BFV-300 butterfly valve
• Figure 577 grooved coupling
• PS10-2 waterflow alarm switch
• PS40-2 low air pressure alarm switch
Order the above equipment sepa-
rately when ordering trim packages
separately.
Note: When the system pressure is
greater than 175 psi (12,1 bar), provision
shall be made to replace the standard
order 300 psi (20,7 bar) Water Pressure
gauge with a separately ordered 600
psi (41,4 bar) Water Pressure Gauge.
Weights
The following are the nominal weights
for Pre-Trimmed Valve Assemblies,
Semi-Assembled Trim, and DPV-1
Valves without trim.
Pre-Trimmed DPV-1 Valve
Assemblies:
2-1/2 in. (DN65) GxG ..............87 lb (40 kg)
3 in. (DN80) GxG.....................90 lb (42 kg)
4 in. (DN100) GxG................. 121 lb (56 kg)
4 in. (DN100) FxG..................135 lb (64 kg)
4 in. (DN100) FxF ..................145 lb (69 kg)
6 in. (DN150) GxG ................. 175 lb (81 kg)
6 in. (DN150) FxG ..................195 lb (90 kg)
6 in. (DN150) FxF...................208 lb (96 kg)
Standard Galvanized
Semi-Assembled DPV-1 Trim:
2-1/2 in. (DN65)........................23 lb (11 kg)
3 in. (DN80) ..............................23 lb (11 kg)
4 in. (DN100) ............................30 lb (14 kg)
6 in. (DN150) ............................30 lb (14 kg)
DPV-1 Valve (Without Trim):
2-1/2 in. (DN65) GxG ...............37 lb (17 kg)
3 in. (DN80) GxG...................... 38 lb(18 kg)
4 in. (DN100) GxG................... 57 lb (26 kg)
4 in. (DN100) FxG.................... 67 lb (31 kg)
4 in. (DN100) FxF .................... 77 lb (36 kg)
6 in. (DN150) GxG ................... 95 lb (44 kg)
6 in. (DN150) FxG.................. 108 lb (50 kg)
6 in.(DN150) FxF ................... 121 lb (56 kg)
Air Supply
Table B shows the system air pres-
sure requirements as a function of the
water supply pressure. The air (or nitro-
gen) pressure in the sprinkler system
is recommended to be automatically
maintained by using one of the follow-
ing pressure maintenance devices, as
appropriate:
• Model AMD-1 Air Maintenance
Device (pressure reducing type)
• Model AMD-2 Air Maintenance
Device (compressor control type)
• Model AMD-3 Nitrogen Maintenance
Device (high pressure reducing type)
The Pressure Relief Valve provided with
the valve trim is factory set to relieve
at a pressure of approximately 45 psi
(3,1 bar). If the normal system air pres-
sure is less than or exceeds 40 psi (2,8
bar), then the pressure Relief Valve
must be reset to relieve at a pressure
that is in accordance with the authority
having jurisdiction.
Quick Opening Device
The Model DPV-1 Dry Pipe Valve may
optionally be equipped with an elec-
tronic or mechanical dry pipe valve
accelerator. Select the VIZOR Elec-
tronic Dry Pipe Valve Accelerator
(4 and 6 in. sizes only) as described
in Technical Data Sheet TFP1105, or
the Model ACC-1 Mechanical Dry Pipe
Valve Accelerator (2-1/2 through 6 in.
sizes) as described in Technical Data
She et TFP1112.
The VIZOR or the ACC-1 is used to
reduce the time to valve actuation fol-
lowing the operation of one or more
automatic sprinklers. In some cases
the use of a quick opening device
such as the VIZOR or the ACC-1 may
be required to meet the requirements of
the National Fire Protection Association
to meet water delivery times.
Nominal
Valve
Size
Flange Drilling Specication
Nominal Dimensions in Inches and (mm)
AN SI B16.11
(Class 125)
ISO 7005-2
(PN16)2
JIS B 2210
(10K)
AS 2129
(Table E)
Dim.
A
Dim.
B
Qty.
N
Dim.
A
Dim.
B
Qty.
N
Dim.
A
Dim.
B
Qty.
N
Dim.
A
Dim.
B
Qty.
N
4 in.
(DN100)
7.50
(190,5)
0.75
(19,0) 87. 0 9 (180,0)
0.75
(19,0) 86.89 (175,0)
0.59
(15,0) 87. 0 0 (178,0)
0.71
(18,0) 8
6 in.
(DN150)
9.50
(241,3)
0.88
(22,2) 89.45 (240,0)
0.91
(23,0) 89.45 (240,0)
0.75
(19,0) 89.25 (235,0)
0.87
(22,0) 8
1. Drilling same as ANSI B16.5 (Class 150) and ANSI B16.42 (Class 150).
2. Drilling same as BS 4504 Section 3.2 (PN16) and DIN 2532 (PN16).
Dim. A
Bolt Circle
Diameter
Dim. B
Bolt Hole
Diameter
Qty. N
Number of
Bolt Holes
TABLE A
SELECTION OF FLANGE DRILLING SPECIFICATIONS

TF1020
Page 5 of 20
Operation
The TYCO Model DPV-1 Dry Pipe Valve
is a differential type valve that utilizes a
substantially lower system (air or nitro-
gen) pressure than the supply (water)
pressure, to maintain the set position
shown in Figure 2A. The differential
nature of the DPV-1 is based on the
area difference between the air seat
and the water seat in combination with
the ratio of the radial difference from
the Hinge Pin to the center of the Water
Seat and the Hinge Pin to the center of
the Air Seat. The difference is such that
1 psi (0,07 bar) of system air pressure
can hold approximately 5.5 psi (0,38
bar) of water supply pressure.
Table B establishes the minimum
required system air pressure that
includes a safety factor to help prevent
false operations that occur due to water
supply fluctuations.
The Intermediate Chamber of the
DPV-1 is formed by the area between
the Air Seat and Water Seat as shown in
Figure 2B. The Intermediate Chamber
normally remains at atmospheric pres-
sure through the Alarm Port connection
and the valve trim to the normally open
Automatic Drain Valve, see Fig. 3, 4, or
5. Having the Intermediate Chamber,
Figure 2B, open to atmosphere is criti-
cal to the DPV-1 Valve remaining set,
otherwise the full resulting pressure of
the system air pressure on top of the
Clapper Assembly cannot be realized.
For example, and assuming a water
supply pressure of 100 psi (6,9 bar), if
the system air pressure is 25 psi (1,7
bar) and there was 15 psi (1,0 bar)
pressure trapped in the Intermediate
Chamber, the resulting pressure across
the top of the Clapper would only be 10
psi (0,7 bar). This pressure would be
insufficient to hold the Clapper Assem-
bly closed against a water supply pres-
sure of 100 psi (6,9 bar). It is for this
reason that the plunger of the Auto-
matic Drain Valve must be depressed
during several of the resetting steps,
as well as during inspections, making
certain that the Automatic Drain Valve
is open.
When one or more automatic sprin-
klers operate in response to a fire,
air pressure within the system piping
is relieved through the open sprin-
klers. When the air pressure is suf-
ficiently reduced, the water pressure
overcomes the differential holding
the Clapper Assembly closed and the
Clapper Assembly swings clear of the
water seat, as shown in Figure 2C,
This action permits water flow into the
system piping and subsequently to be
discharged from any open sprinklers.
Also, with the Clapper Assembly open,
the intermediate chamber is pressur-
ized and water flows through the alarm
port (see Figure 2B) at the rear of the
DPV-1 Valve to actuate system water
flow alarms. The flow from the alarm
port is also sufficient to close the oth-
erwise normally open Automatic Drain
Valve in the valve trim.
After a valve actuation and upon sub-
sequent closing of a system main
control valve to stop water flow, the
Clapper Assembly will latch open as
shown in Figure 3D. Latching open of
the DPV-1 will permit complete drain-
ing of the system (including any loose
scale) through the main drain port.
During the valve resetting procedure
and after the system is completely
drained, the external reset knob can be
easily depressed to externally unlatch
the Clapper Assembly, as shown
in Figure 2E. As such, the Clapper
Assembly is returned to its normal set
position to facilitate setting of the dry
pipe sprinkler system, without having to
remove the Handhole Cover.
Maximum
Water Supply
Pressure
psi
System Air
Pressure
Range
psi
20 10
60 15 - 23
80 20 - 28
100 25 - 33
120 30 - 38
145 35 - 43
165 40 - 48
185 45 - 53
205 50 - 58
225 55 - 63
250 60 - 68
6 INCH (DN150)
2-1/2 INCH (DN65) & 3 INCH (DN80)
4 INCH (DN100)
2000 3000 5000 10000
0,08
0,03
0,04
0,06
0,05
0,10
0,20
0,30
0,40
0,50
0,60
500 700 1000
300 700500 1000 2000 3000200100
0,02
0,01
FLOW RATE IN GALLONS PER MINUTE (GPM)
FLOW RATE IN LITRES PER MINUTE (LPM)
(1 GPM = 3.785 LPM)
NOMINAL PRESSURE DROP IN BAR
(1 PSI = 0.06895 BAR)
NOMINAL PRESSURE DROP IN POUNDS PER SQUARE INCH (PSI)
0.1
0.2
0.3
0.4
0.5
0.7
1.0
2.0
4.0
3.0
5.0
7.0
9.0
GRAPH A
MODEL DPV-1 DRY PIPE VALVES
NOMINAL PRESSURE LOSS VS. FLOW
The approximate friction losses, based on the Hazen and Williams formula and expressed in equivalent length of
Schedule 40 pipe with C=100 and owing at typical ow rates, are as follows:
2-1/2 in. valve at 250 GPM ow = 2.2 ft 4 in. valve at 600 GPM ow = 8.9 ft
3 in. valve at 350 GPM ow = 4.9 ft 6 in. valve at 1500 GPM ow = 22.0 ft
TABLE B
SYSTEM AIR PRESSURE
REQUIREMENTS

TFP1020
Page 6 of 20
Installation
General Instructions
Proper operation of the Model DPV-1
Dry Pipe Valve depends upon its trim
being installed in accordance with the
instructions given in this Technical Data
Sheet. Failure to follow the appropriate
trim diagram may prevent the DPV-1
Valve from functioning properly, as
well as void listings, approvals, and the
manufacturer warranties.
Failure to latch open the Clapper
Assembly prior to a system hydro-
static test may result in damage to the
Clapper Assembly.
The DPV-1 Valve must be installed in a
readily visible and accessible location.
The DPV-1 Valve and associated trim
must be maintained at a minimum tem-
perature of 40°F (4°C).
Heat tracing of the DPV-1 Valve or its
associated trim is not permitted. Heat
tracing can result in the formation of
hardened mineral deposits that are
capable of preventing proper operation.
The Model DPV-1 Dry Pipe Valve is to
be installed in accordance with the fol-
lowing criteria:
• All nipples, fittings, and devices must
be clean and free of scale and burrs
before installation. Use pipe thread
sealant sparingly on male pipe
threads only.
• The DPV-1 Valve must be trimmed
in accordance with Figures 3, 4, or
5, as applicable. If the DPV-1 is to
be equipped with a Dry Pipe Valve
Accelerator, refer to the Technical
Data Sheet TFP1105 for the VIZOR
Electronic Dry Pipe Valve Accel-
erator or TFP1112 for the Model
ACC-1 Mechanical Dry Pipe Valve
Accelerator.
• Care must be taken to make sure
that components such check valves,
strainers, and globe valves are
installed with the flow arrows in the
proper direction.
• Drain tubing to the drip funnel must
be installed with smooth bends that
will not restrict flow.
• The main drain and drip funnel drain
may be interconnected provided a
check valve is located at least 12 in.
(300 mm) below the drip funnel. The
Low Body Drain Valve, as shown in
Fig. 3, 4, or 5, may be piped so as to
discharge into the Drip Funnel or to
a separate drain.
• Suitable provision must be made
for disposal of drain water. Drainage
water must be directed such that it
will not cause accidental damage to
property or danger to persons.
• Unused pressure alarm switch and/
or water motor alarm connections
must be plugged.
• The Pressure Relief Valve provided
with the Valve Trim is factory set to
relieve at a pressure of approximately
45 psi (3,1 bar), which can typically
be used for a maximum normal sys-
tem air pressure of 40 psi (2,8 bar).
The Pressure Relief Valve may be
reset to a lower or higher pressure;
however, it must be reset to relieve
at a pressure which is in accordance
with the requirements of the author-
ity having jurisdiction.
To reset the Pressure Relief Valve,
first loosen the jam nut and then
adjust the cap accordingly —
clockwise for a higher pressure
setting or counter-clockwise for a
lower pressure setting. After veri-
fying the desired pressure setting,
tighten the jam nut.
• It is best practice to install an appro-
priately rated and listed relief valve
upstream of the Model DPV-1 Dry
Pipe Valve, between the inlet of the
DPV-1 Valve and any check valves or
back flow preventers, to ensure tran-
sient increases in water pressure do
not cause unintended operation of
the DPV-1 Valve.
• Installation of an Air Maintenance
Device, as described in the Techni-
cal Data Section, is recommended.
• An Inspector’s Test Connection as
required By NFPA 13 must be pro-
vided on the system piping at the
most remote location from the Model
DPV-1 Valve.
• Conduit and electrical connections
are to be made in accordance with
the requirements of the author-
ity having jurisdiction and/or the
National Electric Code.
• Before a system hydrostatic test is
performed in accordance with NFPA
13 system acceptance test require-
ments, the Clapper Assembly is to
be manually latched open (see Fig-
ure 2D); the Automatic Drain Valve
(see Figure 3, 4, or 5) is to be tem-
porarily replaced with a 1/2 in. NPT
plug, the 3/32 in. Vent Fitting (Item
13, Figure 3; Item 15, Figure 4; or
Item 15, Figure 5) is to be temporar-
ily replaced with a 1/4 in. NPT plug,
and the Handhole Cover Bolts are
to be tightened using a cross-draw
sequence.

TF1020
Page 7 of 20
Valve Setting
Procedure
Steps 1 through 11 are to be performed
when initially setting the Model DPV-1
Dry Pipe Valve; after an operational test
of the fire protection system; or, after
system operation due to a fire.
NOTES: If the DPV-1 is equipped with
a Dry Pipe Valve Accelerator, refer to
its resetting instructions before reset-
ting the DPV-1. Refer to TFP1105 for the
VIZOR or TFP1112 for the ACC-1.
Based on the instructions provided,
reset the Accelerator at the appropriate
time during the resetting of the DPV-1.
Unless otherwise noted, refer to Figure
3, 4, or 5 to identify functional trim
components.
Step 1. Close the Main Control Valve,
and close the Air Supply Control Valve.
If the DPV-1 is equipped with a Dry
Pipe Valve Accelerator, remove the Dry
Pipe Valve Accelerator from service in
accordance with the Technical Data
Sheet (TDS) instructions, refer to TDS
TFP1105 for the VIZOR or TDS TFP1112
for the ACC-1.
Step 2. Open the Main Drain Valve and
all auxiliary drains in the system. Close
the auxiliary drain valves after water
ceases to discharge. Leave the Main
Drain Valve open.
Step 3. Depress the plunger of the
Automatic Drain Valve to verify that it is
open and that the DPV-1 Valve is com-
pletely drained.
Step 4. Open the Optional Alarm
Control Valve, as applicable, if it was
closed to silence local alarms.
Step 5. As necessary, replace all sprin-
klers that have operated. Replacement
sprinklers must be of the same type
and temperature rating as those which
have operated.
NOTICE
In order to prevent the possibility of
a subsequent operation of an over-
heated solder type sprinkler, any solder
type sprinklers which were possibly
exposed to a temperature greater than
their maximum rated ambient must be
replaced.
Step 6. Push down on the Reset Knob
as shown in Figure 2E to allow the
Clapper Assembly to re-seat.
Step 7. Pressurize the system with air
(or nitrogen) to 10 psi (0,7 bar), and
then individually open all auxiliary drain
valves in the system piping to drain
any remaining water in trapped sec-
tions. Close each drain valve as soon
as water ceases to discharge.
Also partially open the Low Body Drain
Valve to assure that the riser is com-
pletely drained. Close the Low Body
Drain Valve as soon as water ceases
to discharge.
Step 8. Refer to Table B and then
restore the system to the normal
system air pressure as necessary to
hold the DPV-1 Valve closed.
Step 9. Depress the plunger on the
Automatic Drain Valve to make sure
it is open and that there is no air
discharging.
The absence of air discharging from
the Automatic Drain Valve is an indica-
tion of a properly set air seat within the
DPV-1 Valve. If air is discharging, refer
to the Care and Maintenance section
under Automatic Drain Valve Inspection
to determine/correct the cause of the
leakage problem.
Step 10. Partially open the Main
Control Valve. Slowly close the Main
Drain Valve as soon as water dis-
charges from the drain connection.
Depress the plunger on the Automatic
Drain Valve to make sure that it is open
and that there is no water discharging.
The absence of water discharging from
the Automatic Drain Valve is an indica-
tion of a properly set water seat within
the DPV-1 Valve. If water is discharg-
ing, refer to the Care and Maintenance
section under the Automatic Drain
Valve Inspection to determine/correct
the cause of the leakage problem.
If there are no leaks, the DPV-1 Valve is
ready to be placed in service and the
Main Control Valve must then be fully
opened.
Note: After setting a fire protection
system, notify the proper authorities
and advise those responsible for moni-
toring proprietary and/or central station
alarms.
Step 11. Once a week after a valve is
reset following an operational test or
system operation, the Low Body Drain
Valve (and any low point drain valves)
should be partially opened (and then
subsequently closed) to relieve drain-
back water. Continue this procedure
until drain-back water is no longer
present.

TFP1020
Page 8 of 20
CLAPPER
ASSEMBLY
FULLY OPEN
DRAIN POSITION
SET POSITION
WATER SUPPLY
SHUT OFF
FROM
WATER SUPPLY
3/4" NPT
LOW BODY
DRAIN
PORT
CLAPPER
ASSEMBLY
LATCHED
OPEN
CLAPPER
LATCH
RESET
ASSEMBLY
SET POSITION
INTERMEDIATE
CHAMBER
AIR PRESSURE
TO SYSTEM
1" NPT
AIR SUPPLY
PORT
1/2" NPT
WATER
SUPPLY
PRESSURE
& ALARM
TEST PORT
CLAPPER
ASSEMBLY
RESEATED
ALARM PORT
WATERFLOW
TO ALARM
RESET POSITION
WATER SUPPLY
SHUT OFF
OPERATED POSITION
CLAPPER
LATCH
PIVOTS TO
UNLATCH
CLAPPER
ASSEMBLY
FROM
WATER SUPPLY
WATERFLOW
TO SYSTEM
CLAPPER LATCH
PIVOTS TO ALLOW
CLAPPER ASSEMBLY
TO FULLY OPEN
3/4" NPT ALARM
PORT OPEN TO
ATMOSPHERE
RESET
KNOB
DRAIN FROM
SYSTEM
COMPLETE
DRAIN FROM
SYSTEM
CLAPPER
ASSEMBLY
IN SET
POSITION
PUSH HERE
TO RESET
VALVE
INTERMEDIATE
CHAMBER
WATER
SEAT
VALVE
WATERWAY
CLAPPER
ASSEMBLY
ALARM
PORT
AIR
SEAT
DN40 FOR VALVES WITH
ISO THREADED PORTS
MAIN DRAIN PORT:
1-1/4" NPT* (2-1/2 INCH
& 3 INCH VALVES)
2" NPT (4 INCH VALVE)
*
FIGURE 2D
FIGURE 2A
FIGURE 2B
FIGURE 2E
FIGURE 2C
02
01
04
05
03
03
FIGURE 2 - PART 1 OF 2
MODEL DPV-1 DRY PIPE VALVES
2-1/2, 3, AND 4 INCH (DN65, DN80, AND DN100)
SET AND OPEN POSITIONS

TF1020
Page 9 of 20
FIGURE 2A
FIGURE 2D
FIGURE 2B
FIGURE 2E
FIGURE 2C
CLAPPER
ASSEMBLY
FULLY OPEN
WATER SUPPLY
SHUT OFF
FROM
WATER SUPPLY
3/4" NPT
LOW BODY
DRAIN
PORT
CLAPPER
ASSEMBLY
LATCHED
OPEN
CLAPPER
LATCH
RESET
ASSEMBLY
SET POSITION
INTERMEDIATE
CHAMBER
AIR PRESSURE
TO SYSTEM
1" NPT
AIR SUPPLY
PORT
1/2" NPT
WATER SUPPLY
PRESSURE
& ALARM
TEST PORT
CLAPPER
ASSEMBLY
RESEATED
ALARM PORT
WATERFLOW
TO ALARM
WATER SUPPLY
SHUT OFF
CLAPPER
LATCH
PIVOTS TO
UNLATCH
CLAPPER
ASSEMBLY
FROM
WATER SUPPLY
WATERFLOW
TO SYSTEM
CLAPPER LATCH
PIVOTS TO ALLOW
CLAPPER ASSEMBLY
TO FULLY OPEN
3/4" NPT ALARM
PORT OPEN TO
ATMOSPHERE
RESET
KNOB
DRAIN FROM
SYSTEM
COMPLETE
DRAIN FROM
SYSTEM
CLAPPER
ASSEMBLY
IN SET
POSITION
PUSH HERE
TO RESET
VALVE
INTERMEDIATE
CHAMBER
WATER
SEAT
VALVE
WATERWAY
CLAPPER
ASSEMBLY
ALARM
PORT
AIR
SEAT
2" NPT
MAIN DRAIN
PORT
SET POSITION
DRAIN POSITION RESET POSITION
OPERATED POSITION
05
04
01
02
03
03
FIGURE 2- PART 2 OF 2
MODEL DPV-1 DRY PIPE VALVES
6 INCH (DN150)
SET AND OPEN POSITIONS

TFP1020
Page 10 of 20
NOTES:
1. SEE FIGURE 3 PART 3 FOR TRIM ARRANGEMENT WITH BILL OF MATERIALS
AND COMPONENT PART NUMBERS.
TRIM SHOWN FULLY ASSEMBLED; COMPONENTS SUCH AS GAUGES AND
SWITCHES MAY REQUIRE ASSEMBLY IN TRIM AT INSTALLATION.
2.
ALARM
TEST VALVE
(NORMALLY
CLOSED) SYSTEM
WATER
SUPPLY
PRESSURE
GAUGE
SYSTEM
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
LOW AIR
PRESSURE
ALARM
SWITCH
WATERFLOW
PRESSURE
ALARM
SWITCH
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
1-1/4 INCH NPT
CONNECTION
TO DRAIN
SYSTEM
SHUT-OFF
VALVE
(NORMALLY
OPEN)
GROOVED
COUPLING
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
3/4 INCH NPT
CONNECTION
TO DRAIN
2-1/2 INCH (DN65)
or 3 INCH (DN80)
MODEL DPV-1
DRY PIPE VALVE
(GxG ONLY)
AUTOMATIC
DRAIN VALVE
1-1/4 INCH NPT
CONNECTION
TO DRAIN
DRIP
FUNNEL
A
B
C
D
H
E
F
G
AUTOMATIC
DRAIN VALVE
ALARM
TEST VALVE
(NORMALLY
CLOSED)
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1-1/4 INCH NPT
CONNECTION
TO DRAIN
DRIP
FUNNEL
AIR SUPPLY
CONTROL VALVE
(NORMALLY OPEN)
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
1-1/4 INCH NPT
CONNECTION
TO DRAIN
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
SYSTEM
WATER SUPPLY
PRESSURE
GAUGE
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
1/2 INCH NPT
CONNECTION
FOR WATERFLOW
PRESSURE ALARM
SWITCH
NOTES:
2.
SEE FIGURE 2 FOR VALVE PORT
IDENTIFICATION.
1. INSTALL TRIM ASSEMBLIES IN
ALPHABETICAL ORDER.
3. ROUTE 1/4" TUBING TO DRIP
FUNNEL.
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
AIR PRESSURE
SWITCH
3/4 INCH NPT
CONNECTION
TO DRAIN
2-1/2 INCH (DN65)
or 3 INCH (DN80)
MODEL DPV-1
DRY PIPE VALVE
(GxG ONLY)
FIGURE 3 - PART 1 OF 3
2-1/2 AND 3 INCH (DN65 AND DN80) MODEL DPV-1 DRY PIPE VALVE
PRE-TRIMMED ASSEMBLY
FIGURE 3 - PART 2 OF 3
2-1/2 AND 3 INCH (DN65 AND DN80) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF SEMI-ASSEMBLED TRIM

TF1020
Page 11 of 20
1
QTY
1
2
2
2
1
1
1
1
1
2
2
1
3
2
1
1
1
8
1
1
1
1
4
1
1
2
1
1
1
1
1
1
1
2
1
1
1
11
QTY QTY
1
1
1
1
1
1
. . . .
. . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . .
. . . . . .
. . . . . . . .
. . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . . .
. . . .
. . . . . . . .
. . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . .
. . . . .
. . . . .
. . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . . . . .
. . . . . . . .
. . . . . . .
. . . . . . .
. . .
.
. . . .
. . .
. . . . . . . . .
. . . . . . . . .
. . . . . .
. . . . . . . .
. . . .
. . . . . . . .. . . . .
. . . . .
. . . . .
. . . . .
. . . . . . . .
. . . . .
. . . . . . . .
NO.
1
2
3
4
5
6
9
11
12
24
15
16
17
18
20
26
27
13 28
14
33
34
35
37
38
40
41
32
29
10
31
36
19
23
7
8
21
22
25
30
39
NO. NO.
44
45
42
43
250 psi/ 1750 kPa
92-343-1-012
DESCRIPTION P/N
92-343-1-005
46-005-1-002
46-050-1-004
46-049-1-004
92-211-1-005
300 psi/ 2000 kPa
1/4" Gauge Test
1/2" Ball Valve
1/2" Swing
Drip Funnel
Water Pressure
Gauge
Air Pressure
Gauge
Valve
Check Valve
Connector
92-211-1-003
92-343-1-007
Drip Funnel
Drip Funnel
1" x 1" x 1/2"
CH
1/4" Tube,
1/4" Plug
1/2" Plug
1" Plug
1/2" 90° Elbow
1/2" x 1/4" x 1/2"
1/2" x 1/2" x 3/4"
CH
CH
CH
CH
CH
CH
CH
1/2" Union CH
92-032-1-002
3/32" Vent
Bracket
Fitting
18" Long
Reducing Tee
Reducing Tee
Reducing Tee
Not Used
1/2" x 1-1/2"
1/2" x 2"
1/2" x 4-1/2"
1/2" x 6"
3/4" x 1-1/2"
3/4" x 2-1/2"
1-1/4" x Close
1-1/4" x 4"
CH
CH
CH
CH
CH
1/2" x Close CH
3/4" x Close CH
1/2" x 1/4" Reducing
Bushing CH
1/2" Cross CH
92-343-1-020
1/4" Pressure
Relief Valve
52-793-2-004
Model AD-1
Automatic
Drain Valve
46-048-1-0053/4" Angle Valve
46-048-1-0071-1/4" Angle Valve
3/4" 90° Elbow CH
1-1/4" 90° Elbow CH
1/2" Tee CH
1/4" x 3" CH
CH
1" x Close CH
CH
CH
1/2" x 1/2" x 1/4"
CHReducing Tee
DESCRIPTION P/N DESCRIPTION P/N
COMPONENTS INCLUDED ONLY IN
PRE-TRIMMED VALVE ASSEMBLIES:
Waterow Pressure
Alarm Switch,
25710Model PS10-2
Low Air Pressure
Alarm Switch,
25730Model PS40-2
Model BFV-300
59300G025WS
Buttery Valve,
2-1/2" (DN65)
59300G030WS3" (DN80)
Figure 577 Coupling,
57725ACP2-1/2" (DN65)
57730ACP3" (DN80)
PIPE NIPPLES:
LOCATION
FOR OPTIONAL
ELECTRICALLY
SUPERVISED
N.O. ALARM
CONTROL
VALVE
(GREEN
TINT)
2-1/2 INCH (DN65)
or 3 INCH (DN80)
MODEL DPV-1
DRY PIPE VALVE
(GxG ONLY)
NOTES:
1. SEE FIGURE 2 FOR VALVE
PORT IDENTIFICATION.
ROUTE 1/4" TUBING, ITEM 14,
TO DRIP FUNNEL, ITEM 12.
2.
ALL FITTINGS AND NIPPLES
ARE GALVANIZED.
3.
CH: COMMON HARDWARE4.
ITEMS 42−45 INCLUDED
ONLY IN PRE-TRIMMED
VALVE ASSEMBLIES AS
APPLICABLE; OTHERWISE
SEPARATELY ORDERED.
5.
43
42
45
44
31
18
34
10
16 4
23
32
11
16
23
20
41
22
8
6
30
26
26
14
35
38
28
39
21
32
17
31
32
33
25
32
20
36
20
13
19
31
27
32
5
32
6
32
9
31
37
932
2
3
7
12
3
15
1
30
24
40
FIGURE 3 - PART 3 OF 3
2-1/2 AND 3 INCH (DN65 AND DN80) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF VALVE TRIM

TFP1020
Page 12 of 20
1. SEE FIGURE 4 PART 3 FOR TRIM ARRANGEMENT WITH BILL OF MATERIALS
AND COMPONENT PART NUMBERS.
TRIM SHOWN FULLY ASSEMBLED; COMPONENTS SUCH AS GAUGES AND
SWITCHES MAY REQUIRE ASSEMBLY IN TRIM AT INSTALLATION.
2.
ALARM
TEST VALVE
(NORMALLY
CLOSED) SYSTEM
WATER
SUPPLY
PRESSURE
GAUGE
SYSTEM
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
LOW AIR
PRESSURE
ALARM
SWITCH
WATERFLOW
PRESSURE
ALARM
SWITCH
MAIN
DRAIN VALVE
(NORMALLY
CLOSED) 1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
2 INCH NPT
CONNECTION
TO DRAIN
SYSTEM
SHUT-OFF
VALVE
(NORMALLY
OPEN)
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
AUTOMATIC
DRAIN VALVE
1-1/4 INCH NPT
CONNECTION
TO DRAIN
DRIP
FUNNEL
3/4 INCH NPT
CONNECTION
FOR WATER
MOTOR ALARM
3/4 INCH NPT
CONNECTION
TO DRAIN
4 INCH (DN100)
MODEL DPV-1
DRY PIPE VALVE
(FxG SHOWN)
FLANGE ADAPTER
OR GROOVED
COUPLING
D
B
C
B
A
NOTES:
2. SEE FIGURE 2 FOR VALVE PORT
IDENTIFICATION.
1. INSTALL TRIM ASSEMBLIES IN
ALPHABETICAL ORDER.
SLOPE ASSEMBLY B DOWN TOWARD
BACK OF VALVE TO FACILITATE
SUFFICIENT LOW BODY DRAINAGE.
4.
3.
ROUTE 1/4" TUBING TO DRIP FUNNEL.
AUTOMATIC
DRAIN VALVE
ALARM
TEST VALVE
(NORMALLY
CLOSED)
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1-1/4 INCH NPT
CONNECTION
TO DRAIN
3/4
INCH NPT
CONNECTION
TO DRAIN
DRIP
FUNNEL
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
2 INCH NPT
CONNECTION
TO DRAIN
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
SYSTEM
WATER SUPPLY
PRESSURE
GAUGE
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
1/2 INCH NPT
CONNECTION
FOR WATERFLOW
PRESSURE ALARM
SWITCH
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
AIR PRESSURE
SWITCH
3/4 INCH NPT
CONNECTION
FOR WATER
MOTOR ALARM
SLOPE
DOWN
4 INCH (DN100)
MODEL DPV-1
DRY PIPE VALVE
(FxG SHOWN)
FIGURE 4 - PART 1 OF 3
4 INCH (DN100) MODEL DPV-1 DRY PIPE VALVE
PRE-TRIMMED ASSEMBLY
FIGURE 4 - PART 2 OF 3
4 INCH (DN100) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF SEMI-ASSEMBLED TRIM

TF1020
Page 13 of 20
QTY
QTY
QTY
1
1
2
1
1
1
1
1
1
1
1
1
1
1
3
1
1
2
2
1
1
1
1
2
2
1
1
1
1
2
7
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
1
1
1
. . .
. . . .
. . .
. . . .
. . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . .
. . . . . . .
. . . . . .
. . . . . .
. . . . . . . .
. . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . . .
. . . .
. . . .
. . . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . .
. . . . .
. . . . .
. . . . .
. . . . .
. . . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . . . .
. . . . . . . . .
. . . . . .
. . . . . .
. . . . . . . . .
. . . . . . . .
. .
. . . . . . .
. . . . . . .
. . . . .
. . . . .
NO.
NO.
NO.
1
2
3
4
5
6
7
8
9
10
11
13
14
27
17
18
19
20
22
23
24
28
29
15
31
16
25
35
36
37
38
40
41
42
43
44
34
30
32
12
33
39
21
26
45
46
47
48
DESCRIPTION P/N
DESCRIPTION P/N
DESCRIPTION P/N
250 psi/ 1750 kPa
92-343-1-012
92-343-1-005
46-005-1-002
92-343-1-020
46-048-1-004
52-793-2-004
46-050-1-004
46-049-1-004
46-048-1-005
46-049-1-005
46-048-1-009
92-211-1-005
300 psi/ 2000 kPa
1/4" Gauge Test
1/4" Pressure
1/2" Angle Valve
Model AD-1
1/2" Ball Valve
1/2" Swing
3/4" Angle Valve
3/4" Swing
2" Angle Valve
Drip Funnel
Water Pressure
Gauge
Air Pressure
Gauge
Valve
Relief Valve
Automatic
Drain Valve
Check Valve
Check Valve
Connector
92-211-1-003
92-343-1-007
Drip Funnel
Drip Funnel
3/4" x 1/2" x 3/4"
1" x 1" x 1/2"
CH
CH
1/4" Tube,
1/4" Plug
1/2" Plug
3/4" Plug
1" Plug
1/2" 90° Elbow
1/2" 45° Elbow
1/2" Tee
1/2" x 1/4" x 1/2"
1/2" x 1/2" x 1/4"
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
1/2" Union
3/4" Union
CH
CH
92-032-1-002
3/32" Vent
Bracket
Fitting
24" Long
Reducing Tee
Reducing Tee
Reducing Tee
Reducing Tee
1/4" x 3"
1/2" x 1-1/2"
1/2" x 2"
1/2" x 2-1/2"
1/2" x 3"
1/2" x 3-1/2"
3/4" x 1-1/2"
3/4" x 2"
3/4" x 3"
1" x 4"
2" x 4-1/2"
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
1/2" x Close CH
3/4" x Close CH
1/2" x 1/4" Reducing
Bushing CH
1/2" Cross CH
COMPONENTS INCLUDED ONLY IN
PRE-TRIMMED VALVE ASSEMBLIES:
Model BFV-300 Buttery
59300G040WS
Valve, 4" (DN100)
Butterfy Valve
GxG DPV-1 Valves,
Figure 71 Flange Adapter,
7140S4" (DN100)
Figure 577 Coupling,
57740ACP4" (DN100)
FxF, FxG DPV-1 Valves,
Assembly Component:
Waterow Pressure
Alarm Switch,
25710Model PS10-2
Low Air Pressure
Alarm Switch,
25730Model PS40-2
PIPE NIPPLES:
(GREEN
TINT)
4 INCH (DN100)
MODEL DPV-1
DRY PIPE VALVE
(FxG SHOWN)
LOCATION
FOR OPTIONAL
ELECTRICALLY
SUPERVISED
N.O. ALARM
CONTROL
VALVE
SLOPE 3/4" ANGLE VALVE,
ITEM 9, DOWN TOWARD
BACK OF VALVE TO
FACILITATE SUFFICIENT
LOW BODY DRAINAGE.
3.
NOTES:
1. SEE FIGURE 2 FOR VALVE
PORT IDENTIFICATION.
ROUTE 1/4" TUBING, ITEM 16,
TO DRIP FUNNEL, ITEM 14.
2.
ALL FITTINGS AND NIPPLES
ARE GALVANIZED.
4.
CH: COMMON HARDWARE5.
ITEMS 45−48 INCLUDED
ONLY IN PRE-TRIMMED
VALVE ASSEMBLIES AS
APPLICABLE; OTHERWISE
SEPARATELY ORDERED.
6.
SLOPE
DOWN
9
48
47
45
46
34
30
39
10
39 40
30
41
30
36
19 34
40
23
12
13
14
27
6
44
11
33
25
33
43
34
31
9
42
28
35
24
37
22
32
2
3
15
38
17
7
29
4
34
5
32
1
17
21
27
34
18
34
26
8
18
3
28
16
34
20
FIGURE 4 - PART 3 OF 3
4 INCH (DN100) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF VALVE TRIM

TFP1020
Page 14 of 20
NOTES:
1. SEE FIGURE 5 PART 3 FOR TRIM ARRANGEMENT WITH BILL OF MATERIALS
AND COMPONENT PART NUMBERS.
TRIM SHOWN FULLY ASSEMBLED; COMPONENTS SUCH AS GAUGES AND
SWITCHES MAY REQUIRE ASSEMBLY IN TRIM AT INSTALLATION.
2.
ALARM
TEST VALVE
(NORMALLY
CLOSED)
SYSTEM
WATER
SUPPLY
PRESSURE
GAUGE
SYSTEM
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
LOW AIR
PRESSURE
ALARM
SWITCH
WATERFLOW
PRESSURE
ALARM
SWITCH
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
2 INCH NPT
CONNECTION
TO DRAIN
SYSTEM
SHUT-OFF
VALVE
(NORMALLY
OPEN)
GROOVED
COUPLING
OR FLANGE
ADAPTER
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
AUTOMATIC
DRAIN VALVE
1-1/4 INCH NPT
CONNECTION
TO DRAIN
DRIP FUNNEL
3/4 INCH NPT
CONNECTION
FOR WATER
MOTOR ALARM
6 INCH (DN150)
MODEL DPV-1
DRY PIPE VALVE
(GxG SHOWN)
A
D
B
C
B
SLOPE 3/4" ANGLE VALVE AND
3/4" x 4-1/2" NIPPLE (OF ASSEMBLY B)
INTO DRIP FUNNEL TO FACILITATE
SUFFICIENT LOW BODY DRAINAGE.
NOTES:
4.
NOTES:
SEE FIGURE 2 FOR VALVE PORT
IDENTIFICATION.
INSTALL TRIM ASSEMBLIES IN
ALPHABETICAL ORDER.
2.
1.
ROUTE 1/4" TUBING TO DRIP
FUNNEL.
3.
AUTOMATIC
DRAIN VALVE
ALARM
TEST VALVE
(NORMALLY
CLOSED)
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1-1/4 INCH NPT
CONNECTION
TO DRAIN
DRIP
FUNNEL
DRIP
FUNNEL
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
ACCELERATOR
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
2 INCH NPT
CONNECTION
TO DRAIN
LOW BODY
DRAIN VALVE
(NORMALLY
CLOSED)
1 INCH NPT
CONNECTION
FOR LOCAL
SPRINKLER
SYSTEM
WATER SUPPLY
PRESSURE
GAUGE
1/2 INCH NPT
CONNECTION
FOR SYSTEM
AIR SUPPLY
1/2 INCH NPT
CONNECTION
FOR WATERFLOW
PRESSURE ALARM
SWITCH
1/2 INCH NPT
CONNECTION
FOR OPTIONAL
AIR PRESSURE
SWITCH
3/4 INCH NPT
CONNECTION
FOR WATER
MOTOR ALARM
SLOPE
TO FIT
6 INCH (DN150)
MODEL DPV-1
DRY PIPE VALVE
(FxF SHOWN)
FIGURE 5 - PART 1 OF 3
6 INCH (DN150) MODEL DPV-1 DRY PIPE VALVE
PRE-TRIMMED ASSEMBLY
FIGURE 5 - PART 2 OF 3
6 INCH (DN150) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF SEMI-ASSEMBLED TRIM

TF1020
Page 15 of 20
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
2
3
1
2
1
2
8
1
1
1
5
1
2
1
1
1
1
1
1
QTY
QTY
QTY
1
1
1
1
1
1
. . .
. . . .
. . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . .
. . . . . . .
. . . . . .
. . .
. . . .
. . . . . .
. . . . . . . .
. . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . . .
. . . .
. . . . . . . .
. . . . . . . .
. . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . .
. . . .
. . . . . . . . .
. . . . .
. . . . .
. . . . .
. . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . . . .
. . . . . .
. . . . . .
. . . . . . . . .
. . . . . .
. . . . . .
. . . . . . . .
. . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . .
. . . . . .
. . . . .
. . . . .
. .
. . . . . . .
. . . . . . .
1
2
3
4
5
6
7
8
9
10
11
13
14
17
18
19
20
15
16
12
23
22
24
25
27
28
29
32
36
37
38
39
40
41
42
43
44
35
31
33
30
21
26
NO.
NO.
NO.
34
47
48
45
46
250 psi/ 1750 kPa
92-343-1-012
92-343-1-005
46-005-1-002
92-343-1-020
46-048-1-004
52-793-2-004
46-050-1-004
46-049-1-004
300 psi/ 2000 kPa
1/4" Gauge Test
1/4" Pressure
1/2" Angle Valve
Model AD-1
1/2" Ball Valve
1/2" Swing
Water Pressure
Gauge
Air Pressure
Gauge
Valve
Relief Valve
Automatic
Drain Valve
Check Valve
46-048-1-0053/4" Angle Valve
46-049-1-005
46-048-1-009
92-211-1-005
3/4" Swing
2" Angle Valve
Drip Funnel
Check Valve
Connector
92-211-1-003
92-343-1-007
Drip Funnel
Drip Funnel
1/4" Tube,
1/4" Plug
1/2" Plug
3/4" Plug
1" Plug
1/2" 90° Elbow
CH
1/2" Union
3/4" Union
92-032-1-002
3/32" Vent
Bracket
Fitting
24" Long
CH
CH
CH
CH
CH
CH
CH
1/2" 45° Elbow
1/2" Tee
CH
CH
3/4" x 1/2" x 3/4"
1" x 1" x 1/2"
CH
CH
1/2" x 1/4" x 1/2"
1/2" x 1/2" x 1/4"
CH
CH
Reducing Tee
Reducing Tee
Reducing Tee
Reducing Tee
1/4" x 3"
1/2" x 1-1/2"
1/2" x 2"
1/2" x 2-1/2"
1/2" x 3"
3/4" x 1-1/2"
3/4" x 2"
3/4" x 4-1/2"
1" x 4"
2" x 4-1/2"
CH
CH
CH
CH
CH
CH
CH
CH
CH
1/2" x 6"
CH
CH3/4" 90° Elbow
CH
1/2" x 1/4" Reducing
CHBushing
1/2" Cross CH
DESCRIPTION P/N
DESCRIPTION P/N
DESCRIPTION P/N
CH1/2" x Close
COMPONENTS INCLUDED ONLY IN
PRE-TRIMMED VALVE ASSEMBLIES:
Waterow Pressure
Alarm Switch,
25710Model PS10-2
Low Air Pressure
Alarm Switch,
25730Model PS40-2
Model BFV-300 Buttery
59300G060WS
Valve, 6" (DN150)
Butterfy Valve
GxG DPV-1 Valves,
Figure 71 Flange Adapter,
7160S6" (DN150)
Figure 577 Coupling,
57760ACP6" (DN150)
FxF, FxG DPV-1 Valves,
Assembly Component:
PIPE NIPPLES:
6 INCH (DN150)
MODEL DPV-1 DRY PIPE VALVE
(GxG SHOWN)
(GREEN
TINT) LOCATION
FOR OPTIONAL
ELECTRICALLY
SUPERVISED
N.O. ALARM
CONTROL
VALVE
3.
1.
2.
ALL FITTINGS AND NIPPLES
ARE GALVANIZED.
4.
CH: COMMON HARDWARE5.
6.
NOTES:
ITEMS 45−48 INCLUDED
ONLY IN PRE-TRIMMED
VALVE ASSEMBLIES AS
APPLICABLE; OTHERWISE
SEPARATELY ORDERED.
SLOPE 3/4" ANGLE VALVE,
ITEM 9, AND 3/4" x 4-1/2"
NIPPLE, ITEM 42, INTO
DRIP FUNNEL, ITEM 14, TO
FACILITATE SUFFICIENT
LOW BODY DRAINAGE.
SEE FIGURE 2 FOR VALVE
PORT IDENTIFICATION.
ROUTE 1/4" TUBING, ITEM 16,
TO DRIP FUNNEL, ITEM 14.
42
9
SLOPE
TO FIT
BACK OF
VALVE
14
48
47
46
45
36
35
34
25
31
40
41
35
40
27
35
6
42
40
35
43
35
35
20
18
29
5
22
30
24
13
31
40
10
28
35
7
38
1
3
17
21
32
33
9
26
44
11
40
2
16
28
37
31
19
18
8
35
39
17
3
33
12
23
42
14
4
27
15
FIGURE 5 - PART 3 OF 3
6 INCH (DN150) MODEL DPV-1 DRY PIPE VALVE
EXPLODED ARRANGEMENT OF VALVE TRIM

TFP1020
Page 16 of 20
4 INCH
(DN100)
VALVE
21-7/8"
(555 mm)
12"
(300 mm)
14"
(355 mm)
12"
(300 mm)
FxF: 18-3/16" (462 mm)
FxG: 18-1/4" (464 mm)
GxG: 18-5/16" (465 mm)
9-5/8"
(245 mm)
6 INCH
(DN150)
VALVE
24-1/2"
(620 mm)
11-1/2"
(290 mm)
14-3/4"
(375 mm)
15"
(380 mm)
21-7/8"
(555,6 mm)
11-3/8"
(289 mm)
2-1/2 & 3 INCH
(DN65 & DN80)
VALVE
20-7/16"
(520 mm)
14-7/8"
(380 mm)
9-1/4"
(235 mm)
7-1/8"
(180 mm)
16-1/8"
(409,6 mm)
2-1/2 or 3 INCH
VALVES
8-3/8"
(213 mm)
FIGURE 6 - PART 1 OF 2
MODEL DPV-1 DRY PIPE VALVE
INSTALLATION DIMENSIONS, PRE-TRIMMED VALVE

TF1020
Page 17 of 20
4 INCH
(DN100)
VALVE
6"
(150 mm)
17-1/4"
(440 mm)
2-1/2" (65 mm)
12"
(300 mm)
14"
(355 mm)
12"
(300 mm)
FxF: 13-5/8" (346,1 mm)
FxG: 13-11/16" (347,7 mm)
GxG: 13-3/4" (349,3 mm)
6 INCH
(DN150)
VALVE
7-1/4"
(190 mm)
18-3/4"
(475 mm)
4-1/2"
(115 mm)
11-1/2"
(290 mm)
14-3/4"
(375 mm)
15"
(380 mm)
16"
(406,4 mm)
FxF, FxG,
or GxG
2-1/2 & 3 INCH
(DN65 & DN80)
VALVE
16-9/16"
(420,7 mm)
6"
(150 mm)
14-7/8"
(380 mm)
9-1/4"
(235 mm)
6-3/4"
(170 mm)
8"
(200 mm)
12-1/4"
(311,2 mm)
2-1/2 or 3 INCH
VALVES
FIGURE 6 - PART 2 OF 2
MODEL DPV-1 DRY PIPE VALVE
INSTALLATION DIMENSIONS, VALVE AND SEMI-ASSEMBLED TRIM

TFP1020
Page 18 of 20
Care and
Maintenance
The following procedures and inspec-
tions should be performed as indicated,
in addition to any specific requirements
of the NFPA, and any impairment must
be immediately corrected.
Before closing a fire protection system
main control valve for maintenance
work on the fire protection system that
it controls, permission to shut down the
affected fire protection system must be
obtained from the proper authorities
and notify all personnel who may be
affected by action.
The owner is responsible for the
inspection, testing, and maintenance of
their fire protection system and devices
in compliance with this document, as
well as with the applicable standards
of the National Fire Protection Associa-
tion such as NFPA 25, in addition to the
standards of any authority having juris-
diction. Contact the installing contrac-
tor or sprinkler manufacturer regarding
any questions.
Automatic sprinkler systems are rec-
ommended to be inspected, tested,
and maintained by a qualified Inspec-
tion Service in accordance with local
requirements and/or national codes.
The operational test procedure and
waterflow pressure alarm test pro-
cedure will result in operation of the
associated alarms. Consequently,
notification must first be given to the
owner and the fire department, central
station, or other signal station to which
the alarms are connected.
Annual Operation Test Procedure
Note: Unless otherwise noted, see
Figure 3, 4, or 5 to identify functional
trim components.
Proper operation of the DPV-1 Valve
- for example, opening of the DPV-1
Valve during a fire condition - should be
verified at least once a year as follows:
Step 1. If necessary, prevent water
from flowing beyond the riser by:
• Close the Main Control Valve
• Open the Main Drain Valve
• Open the Main Control Valve one turn
beyond the position at which water
just begins to flow from the Main
Drain Valve
• Close the Main Drain Valve
Step 2. Open the system Inspector’s
Test Connection.
Step 3. Verify that the DPV-1 Valve
has operated, as indicated by the flow
of water into the system and that all
waterflow alarms operate properly.
Step 4. Close the system Main Control
Valve.
Step 5. Reset the DPV-1 Valve in
accordance with the Valve Setting
Procedure.
Note: It is recommended that the
requirement of NFPA 25 to annually
inspect the inside of the valve be per-
formed at this time and prior to reset-
ting the DPV-1 Valve. Refer to the
Automatic Drain Valve Inspection sub-
section Steps 2 through 5 for instruc-
tions with regard to the inspection of
the Clapper Facing.
Quarterly Waterflow Alarm Test
Procedure
Testing of the system waterflow alarms
should be performed quarterly. To test
the waterflow alarm, open the Alarm
Test Valve, which will allow a flow of
water to the Waterflow Pressure Alarm
Switch and/or Water Motor Alarm.
Upon satisfactory completion of the
test, close the Alarm Test Valve.
2 INCH NPT
CONNECTION
TO DRAIN
2 INCH NPT
CONNECTION
TO DRAIN
A
B
C
A
B
C
REMOVE AND
DISCARD DRIP
FUNNEL BRACKET
REMOVE AND DISCARD
3/4" x 4-1/2" LOW
BODY DRAIN NIPPLE,
REPLACE WITH ITEM 1,
3/4" x 90° STREET ELBOW
(6" VALVE ONLY)
1
4"
MODEL DPV-1 VALVE
WITH TRIM
6"
MODEL DPV-1 VALVE
WITH TRIM
INSTALL DRAIN KIT
SUB-ASSEMBLIES IN
ALPHABETICAL ORDER,
REUSE ITEM C DRIP FUNNEL
INCLUDED WITH STANDARD
VALVE TRIM
FIGURE 7
OPTIONAL DRAIN KIT
INSTALLATION

TF1020
Page 19 of 20
Water Pressure Inspection
The Water Pressure Gauge is to be
inspected monthly (per NFPA 25) to
ensure that normal system water pres-
sure is being maintained.
Air Pressure Inspection
The Air Pressure Gauge is to be
inspected monthly (per NFPA 25) to
ensure that normal system air pressure
is being maintained.
Automatic Drain Valve Inspection
The Automatic Drain Valve should be
inspected monthly (per NFPA 25) by
depressing the plunger and check-
ing to ensure that the Automatic Drain
Valve is not discharging water and/or
air. A discharge of water and/or air is
an indication that the air and/or water
seats are leaking, which could subse-
quently cause a false operation should
the intermediate chamber become
inadvertently pressurized.
If leakage is present, take the DPV-1
Valve out of service (for example, close
the main control valve, open the main
drain valve, close the air supply control
valve, remove the Dry Pipe Valve Accel-
erator from service, as applicable, in
accordance with the Technical Data
Sheet (TDS) instructions, (refer to TDS
TFP1105 for the VIZOR or TDS TFP1112
for the ACC-1), and open the Inspec-
tor’s Test Connection to relieve the
system air pressure to 0 psi (0 bar) as
indicated on the System Air Pressure
Gauge), and then after removing the
Handhole Cover, perform the follow-
ing steps:
Step 1. Make sure that the Seat Ring
is clean and free of any nicks or signifi-
cant scratches.
Step 2. Remove the Clapper Assem-
bly from the valve by first pulling out
the Hinge Pin.
Step 3. Disassemble the Clapper
Facing Retainer from the Clapper
so that the Clapper Facing can be
removed and inspected. Make sure
that the Clapper Facing does not show
signs of compression set, damage, etc.
Replace the Clapper Facing if there is
any signs of wear.
Step 4. Clean the Clapper Facing,
Clapper, and Clapper Facing Retainer,
and then reassemble the Clapper
Assembly.
Step 5. Reinstall the Clapper Assembly
with its Hinge Pin.
Step 6. Install Handhole Cover:
a. Align Handhole Cover Gasket and
Handhole Cover in proper orien-
tation with valve body, see Figure
1, and hold in place.
b. Apply LOCTITE No. 242 or equiv-
alent to Hex Bolt threads.
c. Insert Hex Bolts through Hand-
hole Cover Gasket and Handhole
Cover, hand-tighten into valve
body.
d. Using crossdraw sequence to
assure uniformity, wrench-tighten
Hex Bolts to appropriate torque
values as shown in Table C.
e. Inspect to assure all Hex Bolts
are securely tightened.
Nominal
Valve Sizes
in.
(DN)
Torque
lb-ft
(N·m)
2-1/2
(DN65)
30
(41)
3
(DN80)
30
(41)
4
(DN100)
30
(41)
6
(DN150)
55
(75)
TABLE C
HANDHOLE COVER BOLTS
MAXIMUM TORQUE

TFP1020
Page 20 of 20
NATIONAL FIRE PROTECTION ASSOCIATION and NFPA are registered trademarks of National Fire Protection Association;
LOCTITE is a registered trademark of Henkel Corporation; TEFLON is a registered trademark of DuPont
1400 Pennbrook Parkway, Lansdale, PA 19446 | Telephone [phone]
© 2020 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision date and are subject to change without notice.
Limited
Warranty
For warranty terms and conditions, visit
www.tyco-fire.com.
Ordering
Procedure
Contact your local distributor for avail-
ability. When placing an order indicate
the full product name and Part Number
(P/N).
Standard DPV-1 Dry Pipe Valve
ANSI standard outside diameter (O.D.)
pipe size with grooved or ANSI drilled
flange end connections and NPT
threaded ports.
Specify: (specify size) Model DPV-1
Dry Pipe Valve with (specify) End Con-
nections, P/N (specify):
Groove x Groove,
ANSI 2.88 in. (73,1 mm) O.D. Grooves:
2-1/2 in. (DN65) G x G . . . . . . . . . . 52-312-1-925
Groove x Groove,
ANSI 3.50 in. (88,9 mm) O.D. Grooves:
3 in. (DN80) G x G . . . . . . . . . . . . . 52-312-1-930
Groove x Groove,
ANSI 4.50 in. (114,3 mm) O.D. Grooves:
4 in. (DN100) G x G . . . . . . . . . . . . 52-312-1-940
Flange x Groove,
ANSI Flange x ANSI 4.50 in. (114,3 mm) O.D.
Groove:
4 in. (DN100) F x G. . . . . . . . . . . . . 52-312-1-440
Flange x Flange,
ANSI Flanges:
4 in. (DN100) F x F . . . . . . . . . . . . . 52-312-1-040
Groove x Groove,
ANSI 6.62 in. (168,3 mm) O.D. Grooves:
6 in. (DN150) G x G . . . . . . . . . . . . 52-312-1-960
Flange x Groove,
ANSI Flange x ANSI 6.62 in. (168,3 mm) O.D.
Groove:
6 in. (DN150) F x G. . . . . . . . . . . . . 52-312-1-460
Flange x Flange,
ANSI Flanges:
6 in. (DN150) F x F . . . . . . . . . . . . . 52-312-1-060
Pre-Trimmed DPV-1 Assemblies
with Butterfly Valve
Specify: 2-1/2 in. DPV-1 Pre-Trimmed
Valve Assembly, Grooved End Connec-
tions, P/N 52-310-3-925
Specify: 3 in. DPV-1 Pre-Trimmed Valve
Assembly, Grooved End Connections,
P/N 52-310-3-930
Specify: 4 in. DPV-1 Pre-Trimmed Valve
Assembly, (specify) End Connection,
P/N (specify):
Flange x Flange . . . . . . . . . . . . . . .52-310-3-040
Flange x Groove. . . . . . . . . . . . . . .52-310-3-440
Groove x Groove . . . . . . . . . . . . . .52-310-3-940
Specify: 6 in. DPV-1 Pre-Trimmed Valve
Assembly, (specify) End Connection,
P/N (specify):
Flange x Flange . . . . . . . . . . . . . . .52-310-3-060
Flange x Groove. . . . . . . . . . . . . . .52-310-3-460
Groove x Groove . . . . . . . . . . . . . .52-310-3-960
Pre-Trimmed DPV-1 Assemblies
without Butterfly Valve
Specify: 4 in. DPV-1 Pre-Trimmed Valve
Assembly without Butterfly, (specify)
End Connection, P/N (specify):
Flange x Flange . . . . . . . . . . . . . . .52-310-4-040
Flange x Groove. . . . . . . . . . . . . . .52-310-4-440
Specify: 6 in. DPV-1 Pre-Trimmed Valve
Assembly without Butterfly, (specify)
End Connection, P/N (specify):
Flange x Flange . . . . . . . . . . . . . . .52-310-4-060
Flange x Groove. . . . . . . . . . . . . . .52-310-4-460
Standard Galvanized
Semi-Assembled DPV-1 Trim
Note: Valves with NPT threaded ports
are intended for use with the Standard
Galvanized Semi-Assembled DPV-1
Valve Trim as described in Figures 3, 4
and 5 of this document.
Specify: 2-1/2 and 3 in. DPV-1
Semi-Assembled Galvanized Trim,
P/N 52-309-2-005
Specify: 4 in. DPV-1 Semi-Assembled
Galvanized Trim, P/N 52-309-2-001
Specify: 6 in. DPV-1 Semi-Assembled
Galvanized Trim, P/N 52-309-2-002
Optional Drain Kit
Includes swing check valve, fittings and
pipe nipples to connect the drip funnel
directly to the main drain in 4 and 6
in. valve trim assemblies as shown in
Figure 7.
Specify: (specify size) Model DPV-1
Dry Pipe Valve Drain Kit, P/N (specify):
4 in. Valve ....................52-309-2-104
6 in. Valve ....................52-309-2-106
Drain Kit Replacement Check Valve
Specify: Swing Check Valve, 1-1/4 in.,
P/N 46-049-1-007
Optional Electronic Accelerator:
VIZOR Electronic Dry Pipe
Accelerator (with Trim)
Refer to Technical Data Sheet TFP1105.
Specify: VIZOR Electronic Dry Pipe
Accelerator for use with the 4 or 6 in.
TYCO Model DPV-1 Dry Pipe Valve
Trim, P/N 52-312-3-001
Optional Mechanical Accelerator:
Model ACC-1 Dry Pipe Accelerator
Refer to Technical Data Sheet TFP1112.
Specify: Model ACC-1 Dry Pipe
Accelerator, P/ N 52-311-1- 001,
and Galvanized Accelerator Trim
for Model DPV-1 Dry Pipe Valve,
P/N 52-311-2-010
Optional 600 PSI Water Pressure
Gauge:
Specify: 600 PSI Water Pressure
Gauge, P/N 92-343-1-004
Accessories
Refer to Technical data Sheets describ-
ing the following accessories, as
applicable.
Specify: Description, P/N (specify):
Model PS10-2 Potter Electric Waterflow
Pressure Alarm Switch . . . . . . . . . . . . . . . 25710
(Refer to Potter Electric Technical Data Sheet)
Model PS40-2 Potter Electric Low Air
Pressure Alarm Switch . . . . . . . . . . . . . . . 25730
(Refer to Potter Electric Technical Data Sheet)
Model WMA-1
Water Motor Alarm. . . . . . . . . . . . . 52-630-1-001
(Refer to Technical Data Sheet TFP921)
Model AMD-1
Air Maintenance Device. . . . . . . . .52-324-2-002
(Refer to Technical Data Sheet TFP1221)
Model AMD-2
Air Maintenance Device. . . . . . . . .52-326-2-001
(Refer to Technical Data Sheet TFP1231)
Model AMD-3
Nitrogen Maintenance Device. . . .52-328-2-001
(Refer to Technical Data Sheet TFP1241)
Replacement Valve Parts
Specify: (description) for use with
(specify size) Model DPV-1 Dry Pipe
Valve, P/N, see Figure 1.
Replacement Trim Parts
Specify: (description) for use with
(specify size) Model DPV-1 Dry Pipe
Valve, P/N, see Figures 3, 4, or 5.
Other DPV-1 Dry Pipe Valves
Notes: Other DPV-1 Dry Pipe Valves
are valves ordered with any combi-
nation of flange drilling, pipe groove
outside diameter (O.D.), or port thread
specification not offered as Standard
DPV-1 Dry Pipe Valves.
Valves with NPT threaded ports are
intended for use with the Standard Gal-
vanized Semi-Assembled DPV-1 Valve
Trim described in Figures 3, 4 and 5.
Valves with ISO threaded ports are
intended for use with special order trim
that is provided by local distributors
to meet the specific needs of certain
localities. Please contact your local dis-
tributor regarding valves and valve trim
for specific localities.
Specify: (specify size) Model DPV-1
Dry Pipe Valve with (specify) End Con-
nections and (specify NPT or ISO)
threaded ports