Description
The Hansen H7771H is a 1/4" MPT x FPT angle gauge valve with a bar handle for refrigeration systems. Hansen gauge valves are often used to isolate pressure gauges on regulators and safety relief valves, and can also be used for pump-out and purging.
Key specifications
- Catalog number: H7771H (bar handle version)
- Connections: 1/4" MPT x FPT, angle pattern
- Body: forged steel, ASTM A105, zinc plated
- Stem: polished stainless steel, non-removable safety stem with 1/4" square flats
- Stem seal: graphite composite packing plus neoprene O-ring (dual seal); zinc plated steel packing nut
- Bar handle: zinc plated steel
- Safe working pressure: 400 psig (28 bar); 600 psig (41 bar) available on request
- Operating temperature: -60°F to 240°F (-50°C to 115°C)
- Refrigerants: ammonia, R22, R134a, CO2 and other approved refrigerants
Common questions
Can this valve be used for oil draining?
No. Hansen states these gauge valves are not recommended for oil drain because the port is too small for viscous oil.
Which versions are available?
Hansen Bulletin G409d lists this 1/4" MPT x FPT angle valve as H7771 (seal cap), H7771H (bar handle) and H965 (bare stem). All bodies have seal cap threads, and Hansen lists field retrofit kits: Seal cap kit 50-1071 or bar handle kit 50-1069 (1/4" valves).
Specifications are based on Hansen Technologies Bulletin G409d (Gauge, Purge and Transducer Valves, Jan 2013). Confirm fit, ratings and application requirements before ordering.
Disclaimer: The image shown is a general representation of the product category and may not depict the exact part number offered. Actual product appearance, specifications, and configuration may vary.