Refrigerating Specialties CK4A In-Line Check Valves

These compact check valves are spring closing with a lapped, stainless steel, or chrome plated seat for positive closing action. A minimum pressure difference of only 0.04 bar (0.60 psi) is required to hold the valve in the fully open position. Removable seat plate with combination O-ring as the primary seal and a metal-to-metal beveled knife edge as the secondary seal allows the valves to be disassembled for maintenance. Check valves are available with or without flanges, studs, nuts, and gaskets. The standard valve will accept 300 pound ANSI weld neck or slip-on flat face flanges. The valves are suitable for use with Ammonia, R-12, R-22 and R-502 refrigerants and may be installed in any position.

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