Tyco Fire Product CENTRAL GB User manual

Manufactured by: Central Sprinkler Company
451 North Cannon Avenue, Lansdale, Pennsylvania 19446
Product
Description
No. 5-6.0
The Model GB and GB-QR Quick
Response Dry Horizontal Sidewall Glass
Bulb Sprinklers allow the installation of
sprinklers in areas subject to freezing
while being supplied from a wet pipe
sprinkler system. They are available in
standard response (5mm bulb) or quick
response (3mm bulb).
A significant installation feature for the
extended version is the built in 3" (76.2
mm) of adjustment. This allows installa-
tion of common lengths and can com-
pensate for field variations.
Because the Model GB and GB-QR Dry
Horizontal Sidewall is allowed with NFPA
13 spacings for sidewall sprinklers in
either light or ordinary hazard, it can throw
considerably further than the alternative
method suggested in NFPA 13 for a dry
sidewall sprinkler on a 45°angle.
The GB Dry Sidewall sprinkler is
available flush or extended and the GB-
QR dry sidewall is available recessed,
flush or extended. Both versions are
available with a special slatted wall
escutcheon. This escutcheon
compensates for the angle of the siding
on the outside of the wall.
A larger wrench boss allows the
sprinkler to be installed into the
branchline tee using a sprinkler wrench.
This allows easy installation in “hard”
walls such as sheet rock as the barrel of
the dry sidewall would be inaccessible.
The Model GB and GB-QR Dry
Sidewalls have a maximum adjustment of
±11⁄2" (38.1 mm) in the extended version,
allowing ease of field installation and
ordering. The Model GB dry sidewall is
available recessed or flush for situations
that require a more aesthetic appearance.
1-98
GB & GB-QR Dry Sidewall
GB & GB-QR Dry Sidewall
Standard and Quick Response
Flush, Recessed or Extended
Glass Bulb Sprinkler
Operation: The glass bulb capsule
operating mechanism contains a heat-
sensitive liquid that expands upon
application of heat. At the rated
temperature, the frangible capsule
ruptures, thereby releasing the orifice
seal. The sprinkler then discharges
water in a pre-designed spray pattern
to control or extinguish the fire. 1⁄2"(12.7 mm)
Orifice
Dry Sidewall
Automatic
Sprinkler
Model: GB and GB-QR Dry Sidewall
Style: GB: Flush or Ext. Only
GB-QR: Flush, Rec., Ext.
Escutcheon: Recessed or Extended
Wrench:
Offset
(flush & extended) Part #1068
Universal
(recessed sidewall) Part
#1069
Orifice Size: 1⁄2"
(12.7 mm)
K-Factor: See K-Factor Table on Page 2.
Thread Size: 1"
(25 mm) N.P.T.
Temperature Rating & Bulb Color:
135°F/57°C Orange
155°F/68°C Red
175°F/79°C Yellow
200°F/93°C Green
*286°F/141°C Blue
*360°F/182°CPurple
*Standard Response Only.
Approval: U.L., U.L.C.
Maximum Working Pressure:
175 psi (12.1 bar)
Factory Hydro Test: 100% at
500 psi (34.5 bar)
Standard Finishes: brass, chrome
plated, white
Escutcheon: brass, chrome plated and
white painted
Technical
Data
Corrosion-Resistant Coatings (U.L.
Only) : white and black painted
Highest Allowable Ambient Storage
Temperature: 100°F/38°C
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2
Figure 2
Model GB& GB-QR Dry Sidewall Extended
Figure 1
Model GB & GB-QR Dry Sidewall
Flush & Recessed
Figure 3
Model GB& GB-QR Dry Sidewall Slatted Walls
Caution: See step one of installation sequence for appropriate fitting requirements.
Ordering Length for Dry Pendent Heads
Flush — The “A” dimension is measured from the face of the tee to the finished wall. This is only approximately flush. Order to the nearest 1⁄4"
(6.4 mm). Minimum “A” dimension is 2" (50.8 mm).
Slatted — The “A” dimension is measured from the face of the branchline tee to the face of the finished slatted wall. Minimum “A” dimension is
11⁄2" (38.1 mm). The adjustment is +1⁄2" (12.7 mm).
Recessed — The “A” dimension is measured from the face of the tee to the finished wall. Minimum “A” dimension is 21⁄8" (54.0 mm). Adjust-
ment is ±3⁄16" (4.8 mm).
Extended — The “A” dimension is measured from the face of the tee to the finished wall. Follow one of these two options:
If the “A” dimension is less than or equal to 31⁄4" (82.6 mm), total adjustment is 11⁄2" (38.1 mm) (from the mid point of the adjustment range ±3⁄4"
(19.1 mm)). Order to the nearest 1⁄4" (6.4 mm). Minimum “A” dimension is 0".
If the “A” dimension is greater than 31⁄4" (82.6 mm), the total adjustment is 3" (76.2 mm) (from the mid point of the adjustment range ±11⁄2" (38.1 mm)).
Order to the nearest 1⁄4" (6.4 mm). Minimum “A” dimension is 31⁄4" (82.6 mm).
K-Factor Table
Length K-Factor (metric)
21⁄2" (63.5 mm) to less than 101⁄8" (254.1 mm) 5.3 (76.4)
101⁄8" (254.1 mm) to less than 175⁄8" (447.7 mm) 5.2 (75.0)
175⁄8" (447.7 mm) to less than 251⁄4" (641.4 mm) 5.1 (73.5)
251⁄4" (641.4 mm) to less than 323⁄4" (831.9 mm) 5.0 (72.1)
323⁄4" (831.9 mm) to less than 403⁄8" (1025.5 mm) 4.9 (70.7)
403⁄8" (1025.5 mm) to less than 48" (1219.2 mm) 4.8 (69.2)
Dry Pendent Design Guidelines
To determine the K-factor, follow these steps:
1. Determine the K-factor length (NOT The “A” DIMENSION). The
K-factor is determined as follows:
Slatted - “A” dimension +13⁄8" (34.9 mm) = length for K-factor.
Flush - “A” dimension +7⁄8" (22.2 mm) = length for K-factor.
Recessed - “A” dimension +3⁄8" (9.5 mm) = length for K-factor.
Extended - “A” dimension +31⁄2" (88.9 mm) = length for K-factor.
2. Determine the K-factor for that length by using the K-factor table.
3. Use the K-Factor at the tee in the branchline for your calculations.
1" (25 mm)
Thread
“A”
Dimension
(order length)
Main
Tube Finished Wall
LIne
2 1/2" (63.5 mm)
±1/8" (3.8 mm)
Ceiling Opening
1 15/16" (49.2 mm)
Inner Cup Dia.
If A is > 3 1/4" (82.6 mm)
Dimension is 4 5/8" (117.5 mm)
(±1 1/2" (38.1 mm))
If A is ≤3 1/4" (82.6 mm)
Dimension is 3 7/8" (98.4 mm)
(±3/4" (19.1 mm))
Finished Wall
LIne
1" (25 mm)
Thread Main Tube
“A”
Dimension
(order length)
2 1/2" (63.5 mm)
±1/8" (3.8 mm)
Ceiling Opening
1 15/16"
(49.2 mm)
Inner Cup Dia.
Flush
1 7/8" (47.6 mm)
Recessed
1 1/2" (38.1 mm)
Finished Wall
LIne
1" (25 mm)
Thread Main Tube
“A”
Dimension
(order length)
2 1/2" (63.5 mm)
±1/8" (3.8 mm)
Ceiling Opening
1 15/16"
(49.2 mm)
Inner Cup Dia.
2 1/2" (±1/2")
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3
The Model GB and GB-QR Dry Sidewall Sprinklers are intended for standard
area coverages and standard flow and pressure requirements as specified in
current NFPA 13 Standards.
Design
Data
Design Requirements—Standard Applications
All Model GB and GB-QR Dry
Sidewall Automatic Sprinklers must
be installed according to current
NFPA 13 Standards. Deviations from
these requirements and standards or
any alteration to the sprinkler itself
will void any warranty made by
Central Sprinkler Company. In
addition, installation must also meet
local government provisions, codes
and standards as applicable.
Dry sprinklers are designed to
prevent water from accumulating in
drops to sprinklers. To accomplish
this, they have a fitting that protrudes
into the branch line that allows the
plug to sit above the water line, if
there is any residual water, and
operate without the potential of
freezing. Always install dry sprinklers
in a threaded tee.
For standard applications the
system piping may be hydraulically
calculated or pipe-scheduled. Check
for the proper model, style, orifice
size, and temperature rating prior to
installation. Install sprinklers after the
piping is in place to avoid mechanical
damage; replace any damaged units.
Wet pipe systems must be protected
from freezing.
Upon completion of the installation,
the system must be tested per
recognized standards.
In the event of a thread leak,
remove the unit, apply new pipe joint
compound or tape, and reinstall.
Installation Sequence
Step 1. The unit must be installed
into a threaded, cast iron, ductile
Installation iron, or malleable iron tee only. It
may be installed into the run or
outlet of this tee. Do not install
into an elbow or mechanical tee.
Step 2. Use only a non-hardening
pipe joint compound or Teflon* tape.
Apply only to the male threads.
*Teflon is a trademark of the DuPont Corp.
Step 3. Hand tighten the dry sidewall
assembly into the fitting. Use the
appropriate Central Sprinkler dry
pendent wrench to tighten the unit in
the fitting. A leak tight joint requires
only 7 to 14 ft. lbs. (9.5 to 19.0 Nm) of
torque; a tangential force of 14 to 28
lbs. (62.3 to 124.5 N) delivered
through a 6" (150 mm) handle will
deliver adequate torque. The Model
GB dry sidewall can be installed by
using the correct wrench on either the
sprinkler wrench boss or the barrel of
the dry sidewall.
Step 4. To install the escutcheon
plate, align it with and push it over the
sprinkler body and into the upper
support piece until the outer edge of
the escutcheon meets the mounting
surface. The recessed escutcheon
tool may be used to install the
escutcheon plate easily from the floor.
Do not over- or under-tighten the
sprinkler to compensate for inaccu-
rate escutcheon plate adjustment.
Caution: If installing in a CPVC
system, appropriate adaptation must
be made to insure that the dry
pendent is being installed into a
threaded, cast iron, ductile iron, or
malleable iron tee only. Special care
must be taken when installing with a
CPVC system. Sprinklers must be
installed after the manufacturer's
recommended setting time for the
Sprinklers must be handled care-
fully. They must not be transported
or stored where ambient temperature
may exceed 100°F/38°C. For best
results, store them in a dry, cool
location in the original shipping
package.
Do not install sprinklers that have
been dropped or visibly damaged,
such as a crack in a glass bulb or a
loss of liquid from the bulb. Sprinklers
should never be painted, coated,
plated or altered in any other way
from manufactured condition or they
may not function properly. Any
sprinklers altered in such a manner
must be replaced.
The owner is responsible for the
proper operating condition of all fire
protection devices and accessories.
The NFPA standard 25 entitled,
“Inspection, Testing and Maintenance
of Water-Based Fire Protection
Systems” , contains guidelines and
minimum maintenance requirements.
Furthermore, the local Authority
Having Jurisdiction may have addi-
tional regulations and requirements
for maintenance, testing, and inspec-
tion that must be obeyed.
It is advisable to have sprinkler
systems inspected regularly by a
qualified inspection service. Length
of time between such inspections can
vary due to accessibility, ambient
atmosphere, water supply, and site
activity.
Care &
Maintenance
primer and cement to ensure that
neither accumulate within the sprinkler.
Special care must be taken when
installing with a copper system.
Sprinklers must be installed only after
the inside of the sprinkler drop and
associated fittings have been wire
brushed to remove any flux. Residual
flux can cause corrosion and in
extreme cases can impair proper
sprinkler operation.
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©1998 Central Sprinkler Company
Printed in U.S.A. GB Dry Sidewall.2
Ordering Information: When
placing an order, indicate the full
product name. Please specify the
quantity, model, style, orifice size,
temperature rating, sprinkler finish,
and escutcheon finish
Order dry pendents by the “A”
dimension.
Availability and Service: Central
sprinklers, valves, accessories and
other products are available through-
out the U.S. and Canada, and interna-
tionally, through a network of Central
Sprinkler distribution centers. You may
write directly to Central Sprinkler
Company, or call [phone] for
the distributor nearest you.
Patents: Patents are pending.
Conversion Table:
1 inch = 25.400 mm
1 foot = 0.3048 m
1 pound = 0.4536 kg
1 foot pound = 1.36 Nm
1 psi = 6.895 kpa
= 0.0689 bar
= 0.0703 kg/cm2
1 U.S. gallon = 3.785 dm3
= 3.785 liters
Conversions are approximate.
Ordering
Information
Central Sprinkler Company
451 N. Cannon Avenue, Lansdale, PA 19446
Phone [phone]
FAX [phone]
Do not attempt to reassemble or
otherwise reuse a sprinkler that has
operated. Replace any sprinkler
exhibiting corrosion or damage;
always use new sprinklers of the
same orifice, style, and temperature
rating as replacements.
Because the discharge pattern is
critical to protection of life and
property, nothing should be hung or
attached to the sprinkler unit that
would disrupt the pattern. Such
obstructions must be removed. In the
event that construction has altered
the original configuration, additional
sprinklers should be installed to
maintain the protection level.
Do not attempt to replace sprinklers
without first removing the fire protec-
tion system from service. Be certain
to secure permission from all Authori-
ties Having Jurisdiction , and notify all
personnel who may be affected
during system shutdown. A fire
watch during maintenance periods is
a recommended precaution.
To remove the system from service,
first refer to the system operating
guide and valve instruction. Drain
water and relieve pressure in the
pipes. Remove the existing unit and
install the replacement, using only the
recommended sprinkler wrench. Be
certain to match model, style, orifice,
and temperature rating.
A fire protection system that has
been shut off after an activation
should be repaired and returned to
service immediately. Inspect the
entire system for damage and replace
or repair as necessary. Sprinklers
that did not operate but were sub-
jected to corrosive elements of
combustion or excessive tempera-
tures should be inspected, and
replaced if need be. The Authority
Having Jurisdiction will detail mini-
mum replacement requirements and
regulations.
Guarantee: Central Sprinkler
Company will repair and/or replace
any products found to be defective in
material or workmanship within a
period of one year from the date of
shipment. Please refer to the current
Price List for further details of the
warranty.
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