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Check Valves

Check Valves

Check valves are mechanical valves that perform by allowing gases and liquids to flow in a unidirectional manner. They are designed to open when the fluid / gas flow is in the desired direction, and automatically close when there is a flow in the opposite direction. These unidirectional valves serve a variety of purposes and can be used in different industries & at different temperatures:

  • Swing Valve > offers a larger pressure drop compared to others
  • Ball Valve > largely used to move fluids
  • Split Disc > useful for applications requiring low pressure drops, large check valves, low operating pressures, various positions
  • Diaphragm > made of material that can't sustain extreme temperatures (not for wide range of applications)
  • Wafer Valve > sleek design

Evergreen Midwest’s check valves provide leak-proof, tight sealing protection against flow direction change. Users can select an appropriate check valve after reviewing the options available. 

 

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SKU DESCRIPTION MANUFACTURER
CG250B REPLACES C250B Brass Body Check Valve 1/4" F.NPT, Metal Seat, 3000 PSIG RegO
CG250BL REPLACES C250BL Brass Body Check Valve, 1/4" F.NPT, Soft Seat, 250 PSIG RegO
CG250SS REPLACES C250SS Check Valve, Stainless Steel, 1/4" F.NPT, Metal Seat, 5000 PSIG RegO
CG250SSL REPLACES C250SSL Check Valve, Stainless Steel, 1/4" F.NPT, Soft Seat, 250 PSIG RegO
CG375B REPLACES C375B Brass Body Check Valve, 3/8" F.NPT, Metal Seat, 3000 PSIG RegO
CG375BL REPLACES C375BL Brass Body Check Valve, 3/8" F.NPT, Soft Seat, 250 PSIG RegO
CG375SS Check Valve, Stainless Steel, 3/8" F.NPT, Metal Seat, 5000 PSIG RegO
CG375SSL Check Valve, Stainless Steel, 3/8" F.NPT, Soft Seat, 250 PSIG RegO
CG500B REPLACES C500B Brass Body Check Valve. 1/2" F.NPT. Metal Seat, 3000 PSIG RegO
CG500BL REPLACES C500BL Brass Body Check Valve, 1/2" F.NPT, Soft Seat, 2000 PSIG RegO
CG500SS REPLACES C500S Check Valve, Stainless Steel, 1/2" F.NPT, Metal Seat, 5000 PSIG RegO
CG500SSL REPLACES C500SSL Check Valve, Stainless Steel, 1/2" F.NPT, Soft Seat, 2000 PSIG RegO
CG750B REPLACES C750B Brass Body Check Valve, 3/4" F.NPT, Metal Seat, 3000 PSIG RegO
CG750BL REPLACES C750BL Brass Body Check Valve, 3/4" F.NPT, Soft Seat, 2000 PSIG RegO
CG750SS REPLACES C750S Check Valve, Stainless Steel, 3/4" F.NPT, Metal Seat, 5000 PSIG RegO
CG750SSL REPLACES C750SSL Check Valve, Stainless Steel, 3/4" F.NPT, Soft Seat, 2000 PSIG RegO
CMM250B CMM Series Check Valve - Brass - 1/4" NPT Male x Male, CMM250B RegO
CMM250B-L CMM Series Check Valve - Brass - 1/4" NPT Male x Male with Viton Seal, CMM250B-L RegO
CMM250S CMM Series Check Valve - Steel - 1/4" NPT Male x Male, CMM250S RegO
CMM375B CMM Series Check Valve - Brass - 3/8" NPT Male x Male, CMM375B RegO
CMM375S CMM Series Check Valve - Steel - 3/8" NPT Male x Male, CMM375S RegO
CW250BL Two Piece Brass Check Valve, Soft Seat, CAR WASH INDUSTRY 1/4" NPTF E/E, 2000 PSI, Cracking Pressure 5 PSI, Viton O-Ring RegO
CW250SSL Two Piece Stainless Steel Check Valve w/ Soft Seat, CAR WASH INDUSTRY, 1/4" NPTF E/E, 2000 PSI, Cracking Pressure 5 PSI, Viton O-Ring RegO
CW375BL Two Piece Brass Check Valve w Soft Seat, CAR WASH INDUSTRY, 3/8" NPTF E/E, 2000 PSI, Cracking Pressure 5 PSI, Viton O-Ring RegO
CW375SSL Two Piece Stainless Steel Check Valve w Soft Seat, CAR WASH INDUSTRY, 3/8" NPTF E/E, 2000 PSI, Cracking Pressure 5 PSI, Viton O-Ring RegO

cw_check_valves_8.pdf

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