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Gauge, Purge, and Transducer Valve

Product Information

Hansen Technologies specially designed Gauge, Purge, and Transducer Valves feature tough, forged steel bodies, compact size, and polished stainless steel stems.


Their patented o-ring plus packing dual-seal design and polished stainless steel stems provides leak-free packing. The safety stem design prevents removal of stem from body or stem "blowout". A Long Neck ® version is available that provides extra clearance for gauge-turning rotation. They are available in 1/4 " or 3/8" MPT or FPT globe or angle sizes and styles. 


Hansen's Gauge, Purge, and Transducer Valves are available with seal caps, bar handles, or bare stems. Often used to isolate pressure gauges on regulators, these valves can also be used to pump out, purge, and meter refrigerant liquid or gas.


Available Model (Seal Cap)

HGV1 (1/4" MPT x FPT, Angle, Long Neck)

H7771 (1/4" MPT x FPT, Angle)

H7772 (1/4" FPT x FPT, Angle)

H957C (1/4" FPT x FPT, Globe)

H7773 (3/8" MPT x FPT, Globe)

H7774 (3/8" FPT x FPT, Angle)

H958C (3/8" FPT x FPT, Globe)

H7777 (1/2" MPT x 3/8" FPT, Angle)

H7778 (1/2" MPT x 1/4" FPT, Angle)

H9490 (1/4" MPT x FPT x FPT, Transducer Valve)


Available Model (Bar Handle)

HGV1H (1/4" MPT x FPT, Angle, Long Neck)

H7771H (1/4" MPT x FPT, Angle)

H7772H (1/4" FPT x FPT, Angle)

H957H (1/4" FPT x FPT, Globe)

H7773H (3/8" MPT x FPT, Globe)

H7774H (3/8" FPT x FPT, Angle)

H958H (3/8" FPT x FPT, Globe)


Available Model (Bare Stem)

HGV2 (1/4" MPT x FPT, Angle, Long Neck)

H965 (1/4" MPT x FPT, Angle)

H967 (1/4" FPT x FPT, Angle)

H957 (1/4" FPT x FPT, Globe)

Gauge, Purge, and Transducer Valve, Hansen Technologies Ammonia Refrigeration

Gauge, Purge, and Transducer Valve, Hansen Technologies Ammonia Refrigeration 

technical catalog

GPT Gauge, Purge, and Transducer Valve 2013 (pdf)Download
Gauge Purge Transduer Valve (pdf)Download

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Rurich Industrial Trading is the authorized distributor of Hansen Technologies in the Philippines.

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