Description
The Parker 205973 is the 1-1/4" and 1-1/2" extended bonnet and stem assembly for Parker (Refrigerating Specialties) HEV hand expansion valves. The extended bonnet lets the tee handle or seal cap clear pipe insulation.
Key specifications
- Part number: 205973 (HEV extended bonnet assembly, 1-1/4" and 1-1/2")
- Listed for Parker socket weld (SW) and weld neck (WN) extended bonnet HEV valves
- Extended bonnet material: LCB cast steel; stem: 304 stainless steel
- Parker offers the extended bonnet for globe "T" and angle body styles
- HEV temperature range: -60°F to 400°F (-51°C to 204°C)
- Parker HEV hand expansion valves are regulating valves that also shut off in the closed position, with cast steel (A-352 LCB) bodies, stainless steel plugs and stems, and a 400 psig (27.6 bar) maximum rated pressure for ammonia, R-22, R-507, R-134a, nitrogen and other common refrigerants.
Common questions
Will this fit an older hand expansion valve?
Parker notes that the new hand expansion valve plugs and bonnet assemblies will not retrofit to a prior design hand expansion valve body or prior design expansion valve. Match the size, connection and body style to the 82-00 C parts tables.
Specifications are based on Parker Refrigerating Specialties Bulletin 82-00 C (Hand Expansion Valves, HEV) and the Parker R/S Parts Kits list PK-16. 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.
