Check Valve - Spring Close

Hansen In-Line HCK4


These flanged valves (sizes 16 to 100ND) prevent reversal of flow of refrigerant in discharge, hot gas, liquid and suction lines. Not suitable for where constant pulsing pressure applications occur, refer Hansen HCK1 type which is more suitable pulsing pressure.

These compact in line check valves offer reliable operation regardless of mounting position. The spring closing disc type non return valve uses stainless steel disc and springs with a plated body to suit Hansen flanges, or close coupling to Hansen valves with use of a male adapter ring.

Requires less than 14.5kPa pressure drop for wide open operation, suitable for Ammonia, CO2 and other common refrigerants approved by Hansen.

Hansen Flanges to suit and Hansen Strainer range if required

Also see HCK4 "L" Gravity Drain type low differential pressure application such as liquid transfer systems (include direct replacement for Wolf-Linde check valves) Bulletin C403a and HCK1 type gravity closing type suits pulsing applications, and Stop/Check valve range with manual closing valve function.

See Hansen HCK4 Bulletin C401e

HCK4 Refrigerant Valve Capacity Tables for Ammonia

Alternative RFF check valve or RFF Stop/Check valve range with Butt Weld connections.

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