HCK5D Two Step Gas Powered Suction Stop Valve

These heavy-duty, flanged, gas-powered, 2-step suction stop valves are designed to control the flow of refrigerant in large industrial and commercial refrigeration systems.

They remain normally open via a spring and require no pressure drop to operate. A single pilot solenoid valve is required to control a higher pressure refrigerant gas which closes these valves during defrosting.

The HCK5D valve has an internal, controlled bleed-down (equalize) feature which will not allow the main seat to open until the pressure across the valve is at a lower, safer pressure differential. This eliminates the need for a separate bleed-down solenoid valve, greatly simplifying piping and reducing installed costs.

If a loss of power occurs during defrost, evaporator pressure is utilized to keep the main valve seat closed until bleed-down is complete.

Available Model (Flanged and Weld In)

HCK5D

HCK5DW

Available Size (Flanged and Weld In)

Size: 1-1/2", 40mm

Size: 2"0, 50mm

Size: 2-1/2", 65mm

Size: 3"0, 80mm

Size: 4"0, 100mm