Description
The Hansen 75-1190 is the piston/seat kit for 4" (100 mm) Hansen HCK5 gas-powered suction stop valves.
Key specifications
- Hansen part number: 75-1190
- Fits: 4" Hansen HCK5 valves
- Contents per Hansen parts list: piston/seat, spring, cover gasket and disc strainer gasket
- Piston/seat: ductile iron ASTM A536; spring: stainless steel
- Valve line rating (Bulletin C427b): 400 psig (27 bar), 600 psig (40 bar) for CO2; -60°F to +240°F (-50°C to +115°C)
Common questions
How does the HCK5 differ from the HCK2?
Hansen states the HCK5 adds an auxiliary pressure pilot valve that keeps the main seat closed after a power failure during the hot gas step of defrost until evaporator pressure drops to the pilot setting; capacities equal the HCK2, which makes it suited to retrofits.
Specifications are based on Hansen Technologies Bulletin C427b (HCK5, HCK5W Gas-Powered Suction Stop Valves, Nov 2019). Confirm fit, ratings and application requirements before ordering.
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