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Check Valves(Nominal Pressure:No Standard, Others)

Check valves for fluids are a type of valves which allow fluids to flow in one direction, but automatically close when the flow reverses. They are also called non-return valves or one-way valves. They can prevent the backflow securely and open with small differential pressure. They are applied to piping systems where the backflow prevention is required, frequent open/close are expected, some restrictions exist around the pipings, etc. To install, there are screw-in connection type to screw in the check valve, and flangeless type that clamps the entire check valve with pipes. Furthermore, they are divided into small diameter valves or large diameter valves. Materials of the main body are copper alloy, stainless steel, fluoropolymer, plastic, etc. Sealing materials vary depending on the application; metal is used for places where the temperature becomes high due to steam, etc., and rubber is for places under low temperatures such as hot or cold water.
Days to Ship
  • All
  • 1 Day(s) or Less
  • 2 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
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Brand
Product Series
Days to Ship
Applicable Fluid
Type
Material
Max. Operating Pressure(MPa)
Nominal Pressure
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Tube Flange Nominal
Cracking Pressure(MPa)

    A-Check Socket Type

      A-Check Nipple Type

        Check Fitting CSB

          Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series

            CS-1USN Type Check Valve (for Cold/Hot Water)

              CS-2USN Type Check Valve (for Cold/Hot Water)

                CS-3SSN, Check Valve (for Cold Water / Hot Water)

                  CS-4N Type Check Valve with Expansion/Contraction Pipe (for Cold/Hot Water)

                    CS-7N Type Check Valve (for Cold/Hot Water)

                      Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type

                      Brand

                      ASOH

                      ASOH

                      KOYO

                      YOSHITAKE

                      VENN

                      VENN

                      VENN

                      VENN

                      VENN

                      MIYAWAKI

                      Product Series

                      A-Check Socket Type

                      A-Check Nipple Type

                      Check Fitting CSB

                      Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series

                      CS-1USN Type Check Valve (for Cold/Hot Water)

                      CS-2USN Type Check Valve (for Cold/Hot Water)

                      CS-3SSN, Check Valve (for Cold Water / Hot Water)

                      CS-4N Type Check Valve with Expansion/Contraction Pipe (for Cold/Hot Water)

                      CS-7N Type Check Valve (for Cold/Hot Water)

                      Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type

                      Days to Ship 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 9 Day(s) or more 8 Day(s) or more 5 Day(s) or more
                      Applicable FluidWater / AirWater / AirAirWaterWaterWaterWaterWaterWater / OthersWater
                      TypeSpring Type (In-line)Spring Type (In-line)Spring Type (In-line)Spring Type (In-line)OthersOthersOthersOthersOthersSpring Type (In-line)
                      MaterialBrass ~ Stainless SteelBrass ~ Stainless SteelBrassBrassBronzeBronzeBronzeBronzeBronzeStainless Steel Cast
                      Max. Operating Pressure(MPa)2221-111112.1
                      Nominal PressureNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, Others
                      Supply Side, Connection TypeRc (R)Rc (R)Rc (R)GGGRc (R)GRc (R)Rc (R)
                      Supply Side, Plumbing Thread Nominal1/2B ~ 3/8B1/2B ~ 3/8B1/4B ~ 1/8B1B ~ 3/4B1B1B3/4B1B1B ~ 3/4B1B ~ 3/4B
                      Control Side, Connection TypeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)
                      Control Side, Plumbing Thread Nominal1/2B ~ 3/8B1/2B ~ 3/8B1/4B ~ 1/8B1B ~ 1 1/4B3/4B3/4B3/4B3/4B1B ~ 3/4B1B ~ 3/4B
                      Supply Side, Tube Flange Nominal----------
                      Control Side, Tube Flange Nominal----------
                      Cracking Pressure(MPa)0.0070.0070.05-------

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