CMM check valves operate on slight differential pressure. Free flow is permitted in one direction, positive check in the opposite direction. Available in brass, steel and stainless steel and in different sizes.
Product Features:
Male-to-Male in-line check valve
Elastomer-free (no O-ring) Leak-Tight Ball Check standard for various medias
Bubble-Tight Ball Check with O-ring/Quad ring optional
Compact over-all length
Product Specifications:
Maximum Operating Pressure
Brass: 2,000 psi (138 bar)
Carbon Steel: 3,000 psi (207 bar)
Stainless Steel: 3,000 psi (207 bar)
Cracking Pressure: 1 to 2.5 psi (.07 to .17 bar). Other cracking pressures available.
Soft seat check valves if left seated for a period of time, will have the rubber adhere to the metal it is in contact with. This results in an initial high crack point due to sticking. The degree depends on many things (time seated, pressure, etc.).
Operating Temperature range: -30° to +200° F (-34° to +93° C)
Threads: NPTF
Materials
Body: Brass, Steel, Stainless Steel 303
Ball: Stainless Steel 440
Spring: Stainless Steel 302
Ball Guide: Delrin®
Washer: Stainless Steel 304
O-Ring/Quad Ring: Buna-N