Hansen HGV1 Operating instructions

Specifications, Applications,
Service Instructions & Parts
GAUGE, PURGE, AND
TRANSDUCER VALVES
Bulletin G409d
JAN 2013
1/4" – 1/2" (7mm – 13mm)
MPT or FPT Globe & Angle
for Refrigerants
H9490: Transducer Valve
HGV1: Long Neck
INTRODUCTION
These specially designed refrigerant gauge, purge, and
transducer valves feature tough, forged steel bodies,
compact size, and polished stainless steel stems. The
patented O-ring plus packing dual seal design and
polished stainless steel stem virtually eliminates stem
seal leakage. Safety stems are designed to be non-
removable from the body to avoid dangerous stem
"blow out".
APPLICATION
These Hansen-made valves are suitable for ammonia,
R22, R134a, CO2 and other approved refrigerants.
They are available with seal caps, bar handles or bare
stems. They are often used to isolate pressure gauges
on regulators and safety relief valves. These valves
may also be used for pumpout and purging. They are
not recommended for oil drain because the port is too
small for viscous oil. The Long Neck®valves provide
additional length for insulation and pressure gauge
turning clearance. The transducer valve accommodates
calibration or device replacement without system
pumpdown.
MATERIAL SPECIFICATIONS
Body: Forged steel, ASTM A105, zinc plated
(H9490 not plated)
Stem: Stainless steel, polished, ¼" square flats
Stem Packing: Graphite composite plus
neoprene O-ring
Packing Nut: Steel, zinc plated
Seal Cap: Glass filled polymer
Seal Cap O-ring: Neoprene
Bar Handle: Steel, zinc plated
Safe Working Pressure: 400 psig (28 bar) SWP
600 psig (41 bar) available upon request
Operating Temperature: -60°F to 240°F
(-50°C to +115°C)
KEY FEATURES
OPTIONAL BAR HANDLE
SEAL CAP
NON-REMOVABLE
SAFETY STEM
FORGED
STEEL BODY
POLISHED STAINLESS
STEEL STEM
O-RING PLUS PACKING
STEM SEAL
LONG NECK
AVAILABLE
ADDITIONAL FEATURES
Globe and angle valve available
Heavy duty forged steel body
Long Neck gauge valve available
Unique Transducer / Gauge valve
Interchangeable seal caps and bar handles

2
G409d
JAN 2013
Hansen Technologies Corporation
400 Quadrangle Drive, Suite F
Bolingbrook, Illinois 60440 USA
Tel: [phone] Fax: [phone] Toll: 866.4HANSEN
Email: [email protected] Web: www.hantech.com
USA ∙ Asia ∙ Europe ∙ India ∙ LatinAmerica ∙ MiddleEast
© 2013 Hansen Technologies Corporation
INSTALLATION DIMENSIONS (inches)
SERVICE AND MAINTENANCE
Hansen gauge valves require practically no service
or maintenance due to the combination of polished
stainless steel stem and reliable O-ring stem seal plus
graphite composite packing. However, if tightening
is ever needed, use a 3/8" open end wrench or an 8"
adjustable wrench. Extrusion of some black graphite
packing material along the stem is normal.
If the O-ring or the adjustable packing ever needs
replacement as evidenced by refrigerant or oil leakage at
the stem, isolate valve from the system and evacuate to
zero pressure in accordance with appropriate practices.
Seal caps [1/4" (P/N 50–1071), 3/8"–1/2" (P/N 50–1036)]
or bar handles [1/4" (P/N 50–1069), 3/8" (P/N 50–1075)]
can be easily retro-fitted to valves in the field. All
bodies have seal cap threads; simply screw seal cap
with O-ring onto these threads. Bar handle kit comes
with pin partially installed in handle Place handle on
stem and turn clockwise to close valve. Begin to push
pin through handle and valve stem using pliers, then
tap with hammer to finish.
CAUTION
Hansen valves are for refrigeration systems only. Read
these instructions completely before selecting, using,
or servicing these valves. Only knowledgeable, trained
refrigeration technicians should install, operate, or
service these valves. Stated temperature and pressure
limits should not be exceeded. Bonnets should not
be removed from valves unless the system has been
evacuated to zero pressure. See also Safety Precautions
in the current List Price Schedule and the Safety
Precautions Sheet supplied with the product.
WARRANTY
Hansen valves are guaranteed against defective materials
or workmanship for one year F.O.B. our factory. No
consequential damages or field labor is included.
FPT X FPT, ANGLEFPT X FPT, GLOBE
1/4" Transducer Valve
MPT X FPT, ANGLEMPT x FPT, LONG NECK
ORDERING INFORMATION
SIZE
(mm)A A' B C E F G H H' J
1/4"
(7)
2.09
(53)
2.57
(65)
1.11*
(28)
1.26
(32)
1.00
(25)
0.59
(15)
2.28
(58)
2.22
(56)
2.71
(69)
0.47
(12)
3/8"
(10)
2.94
(75)
3.57
(91)
1.44
(37)
1.88
(48)
1.63
(41)
0.72
(18)
3.22
(82)
3.07
(78)
3.70
(94)
0.59
(15)
1/2"
(13)
2.94
(75)
3.57
(91)
1.44
(37)
1.88
(48)
1.63
(41)
0.72
(18) ––––
* THE B DIMENSION FOR HGV1, HGV1H, & HGV2 IS 3.25"(83MM)
DESCRIPTION SEAL
CAP
BAR
HANDLE
BARE
STEM
1/4" MPT x FPT, Angle, Long Neck†HGV1* HGV1H HGV2
1/4" MPT x FPT, Angle H7771* H7771H H965
1/4" FPT x FPT, Angle H7772 H7772H H967
1/4" FPT x FPT, Globe H957C H957H H957
1/4" MPT x FPT x FPT, Transducer Valve H9490 – –
3/8" MPT x FPT, Angle H7773 H7773H –
3/8" FPT x FPT, Angle H7774 H7774H –
3/8" FPT x FPT, Globe H958C H958H –
1/2" MPT x 3/8" FPT, Angle H7777 – –
1/2" MPT x 1/4" FPT Angle H7778 – –
†LONG NECK VALVES PROVIDE ADDITIONAL LENGTH FOR INSULATION AND
PRESSURE GAUGE TURNING CLEARANCE.
* HGV1 AND H7771, AVAILABLE AS WELDED INLET VERSIONS, HGV1W AND
H7771W PAINTED BODY.
TO ORDER: Specify Catalog Number.
TRANSDUCER VALVE
The H9490 Transducer Valve can be installed wherever
pressure monitoring is desired. Turn stem all the way
in (clockwise) and seat to isolate pressure from both
gauge and transducer ports. Turn stem all the way out
(counter-clockwise) and seat to isolate pressure from
the gauge port. With stem in middle position, both
ports are active.