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Check Valves

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.

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Specifications
Type
Applicable Fluid
Nominal Pressure
Material
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Control Side, Tube Flange Nominal
Max. Operating Pressure(MPa)
Cracking Pressure(MPa)

    Check Valves (MISUMI)

      JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031) (Toyo Valve)

        A-Check Nipple Type (Asoh)

          Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Flange (Kitz)

            General Purpose Ductile Iron 10K Swing Check Valve Flange (Kitz)

              Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Screw-in (Kitz)

                Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Screw-in (Kitz)

                  Bronze General-Purpose 125 Type Swing Check Valve Screwing (Kitz)

                    Bronze JIS-Standard 10K Swing Check Valve Screw-in (Kitz)

                      Stainless Steel General-Purpose 10K Lift Check Valve Screw-in Type (Kitz)

                        150 Type. Cast Iron Flanged Swing Check Valve <Bolted Cover Type> (Toyo Valve)

                          Check Valve - Oil Hydraulic (MISUMI)

                            General Purpose Ductile Iron 10K Lift Check Valve Flange (Kitz)

                              General Purpose Ductile Iron Class 150 Swing Check Valve Flange (Kitz)

                                10K Type, Cast Iron F-Type Rubber Seat Swing Check Valve (Toyo Valve)

                                  150 E Type - Bronze Screw-in Type Lift Check Valve (Toyo Valve)

                                    16K Type Ductile Cast-Iron Screw Down Lift Check Valve <Union Bonnet Type> (Toyo Valve)

                                      Class 10 K - Screw-in Type Swing Check Valve (Toyo Valve)

                                        Straight Type SMF Model JIS10K Model (Ishizaki)

                                          A-Check Nipple Type (Asoh)

                                            General Purpose Ductile Iron 16K Lift Check Valve Screw-in (Kitz)

                                              General Purpose Ductile Iron 20K Swing Check Valve Flange (Kitz)

                                                General Purpose Bronze 10K Lift Check Valve Screw-in (Kitz)

                                                  Check Fitting CSB (Koyo)

                                                    Malleable Valve, General-Purpose 10K Type, Check Valve (Inline) Screw-in (Hitachi Valve)

                                                      10K Type Ductile Cast-Iron Flanged Swing Check Valve <Bolted Cover Type> (Toyo Valve)

                                                        10K-Type Cast Iron Wing Check Valve (Toyo Valve)

                                                          16K Type Ductile Cast-Iron Flanged Swing Check Valve <Bolted Cover Type> (Toyo Valve)

                                                            Stainless Steel, 22 MPa, Line Check Valve (FUJIKIN)

                                                              Straight SMC Type JIS10K (Ishizaki)

                                                                General Purpose Ductile Iron 20K Lift Check Valve Screw-in (Kitz)

                                                                  General Purpose Ductile Iron Class 300 Swing Check Valve Flange (Kitz)

                                                                    Bronze General-Purpose 125 Type Y Shaped Swing Check Valve Screw-in (Kitz)

                                                                      Bronze General Purpose 10K Swing Check Valve Flange (Kitz)

                                                                        General Purpose Ductile Iron 16K Swing Check Valve Flange (Kitz)

                                                                          125 Type - Bronze Screw-in Type Swing Check Valve (Toyo Valve)

                                                                            20K Type Ductile Cast-Iron Flanged Swing Check Valve <Bolted Cover Type> (Toyo Valve)

                                                                              20K Type Ductile Cast-Iron Flanged Lift Check Valve <Union  Bonnet Type> (Toyo Valve)

                                                                                Threaded SMG Type 10 K Screw-in (Ishizaki)

                                                                                  Check Valve (Inline Check) [for Steam - Hot and Cold Water] - CVC3 (Miyawaki)

                                                                                    Stainless Steel General-Purpose 20K wafer Check Valve (Kitz)

                                                                                      General Purpose Ductile Iron 10K Lift Check Valve Screw-in (Kitz)

                                                                                        Stainless Steel General-Purpose 10K wafer Check Valve (Kitz)

                                                                                          General Purpose Ductile Iron 20K Lift Check Valve Flange (Kitz)

                                                                                            General Purpose Bronze150-Type Lift Check Screw Valve (Kitz)

                                                                                            Brand

                                                                                            MISUMI

                                                                                            Toyo Valve

                                                                                            Asoh

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Toyo Valve

                                                                                            MISUMI

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Ishizaki

                                                                                            Asoh

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Koyo

                                                                                            Hitachi Valve

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            FUJIKIN

                                                                                            Ishizaki

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Toyo Valve

                                                                                            Ishizaki

                                                                                            Miyawaki

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Kitz

                                                                                            Product Series

                                                                                            Check Valves (MISUMI)

                                                                                            JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031) (Toyo Valve)

                                                                                            A-Check Nipple Type (Asoh)

                                                                                            Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Flange (Kitz)

                                                                                            General Purpose Ductile Iron 10K Swing Check Valve Flange (Kitz)

                                                                                            Stainless Steel General-Purpose 10K Swing Check (SCS13A) Valve Screw-in (Kitz)

                                                                                            Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Screw-in (Kitz)

                                                                                            Bronze General-Purpose 125 Type Swing Check Valve Screwing (Kitz)

                                                                                            Bronze JIS-Standard 10K Swing Check Valve Screw-in (Kitz)

                                                                                            Stainless Steel General-Purpose 10K Lift Check Valve Screw-in Type (Kitz)

                                                                                            150 Type. Cast Iron Flanged Swing Check Valve (Toyo Valve)

                                                                                            Check Valve - Oil Hydraulic (MISUMI)

                                                                                            General Purpose Ductile Iron 10K Lift Check Valve Flange (Kitz)

                                                                                            General Purpose Ductile Iron Class 150 Swing Check Valve Flange (Kitz)

                                                                                            10K Type, Cast Iron F-Type Rubber Seat Swing Check Valve (Toyo Valve)

                                                                                            150 E Type - Bronze Screw-in Type Lift Check Valve (Toyo Valve)

                                                                                            16K Type Ductile Cast-Iron Screw Down Lift Check Valve (Toyo Valve)

                                                                                            Class 10 K - Screw-in Type Swing Check Valve (Toyo Valve)

                                                                                            Straight Type SMF Model JIS10K Model (Ishizaki)

                                                                                            A-Check Nipple Type (Asoh)

                                                                                            General Purpose Ductile Iron 16K Lift Check Valve Screw-in (Kitz)

                                                                                            General Purpose Ductile Iron 20K Swing Check Valve Flange (Kitz)

                                                                                            General Purpose Bronze 10K Lift Check Valve Screw-in (Kitz)

                                                                                            Check Fitting CSB (Koyo)

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Inline) Screw-in (Hitachi Valve)

                                                                                            10K Type Ductile Cast-Iron Flanged Swing Check Valve (Toyo Valve)

                                                                                            10K-Type Cast Iron Wing Check Valve (Toyo Valve)

                                                                                            16K Type Ductile Cast-Iron Flanged Swing Check Valve (Toyo Valve)

                                                                                            Stainless Steel, 22 MPa, Line Check Valve (FUJIKIN)

                                                                                            Straight SMC Type JIS10K (Ishizaki)

                                                                                            General Purpose Ductile Iron 20K Lift Check Valve Screw-in (Kitz)

                                                                                            General Purpose Ductile Iron Class 300 Swing Check Valve Flange (Kitz)

                                                                                            Bronze General-Purpose 125 Type Y Shaped Swing Check Valve Screw-in (Kitz)

                                                                                            Bronze General Purpose 10K Swing Check Valve Flange (Kitz)

                                                                                            General Purpose Ductile Iron 16K Swing Check Valve Flange (Kitz)

                                                                                            125 Type - Bronze Screw-in Type Swing Check Valve (Toyo Valve)

                                                                                            20K Type Ductile Cast-Iron Flanged Swing Check Valve (Toyo Valve)

                                                                                            20K Type Ductile Cast-Iron Flanged Lift Check Valve (Toyo Valve)

                                                                                            Threaded SMG Type 10 K Screw-in (Ishizaki)

                                                                                            Check Valve (Inline Check) [for Steam - Hot and Cold Water] - CVC3 (Miyawaki)

                                                                                            Stainless Steel General-Purpose 20K wafer Check Valve (Kitz)

                                                                                            General Purpose Ductile Iron 10K Lift Check Valve Screw-in (Kitz)

                                                                                            Stainless Steel General-Purpose 10K wafer Check Valve (Kitz)

                                                                                            General Purpose Ductile Iron 20K Lift Check Valve Flange (Kitz)

                                                                                            General Purpose Bronze150-Type Lift Check Screw Valve (Kitz)

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            Days to Ship 4 Days 5 Days 4 Days 4 Days 5 Days 4 Days 5 Days 4 Days 4 Days 4 Days Quote 4 Days 5 Days Quote Quote 4 Days 5 Days 4 Days 12 Days 4 Days Quote 5 Days 4 Days 4 Days 4 Days 5 Days 5 Days 5 Days 9 Days 7 Days 5 Days Quote 82 Days 5 Days 82 Days 4 Days 98 Days 82 Days 12 Days 4 Days

                                                                                            Stock Items Included

                                                                                            Quote 4 Days Quote 5 Days 4 Days
                                                                                            Specifications
                                                                                            • inCAD Components
                                                                                                                • inCAD Components
                                                                                                                                                                                  TypeSwing TypeSwing TypeSpring Type (In-line)Swing TypeSwing TypeSwing TypeSwing TypeSwing TypeSwing TypeLift TypeSwing TypeSpring Type (In-line)Lift TypeSwing TypeSwing TypeLift TypeLift TypeSwing TypeOthersSpring Type (In-line)Swing Type / Lift TypeSwing TypeLift TypeSpring Type (In-line)Spring Type (In-line)Swing TypeWafer TypeSwing TypeSpring Type (In-line)OthersLift TypeSwing TypeSwing TypeSwing TypeLift TypeSwing TypeSwing TypeLift TypeOthersSpring Type (In-line)Swing TypeLift TypeWafer TypeLift TypeLift Type
                                                                                                                                                                                  Applicable FluidWater / Air / OilWater / Oil / OthersWater / AirWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWaterWater / Air / Oil / GasWater / Air / Oil / GasWaterOilWater / Air / Oil / GasWater / Oil / GasWater / OilWater / OthersWater / Air / Oil / GasWater / Air / Oil / Gas / OthersWaterWater / AirWater / Air / Oil / GasWater / Air / Oil / GasWaterAirWater / Air / OilWater / Air / Oil / GasWater / Air / OilWater / Air / Oil / GasWater / Air / Oil / Gas / OthersWaterWater / Air / Oil / GasWater / Oil / GasWaterWater / Air / Oil / GasWater / Air / Oil / GasWater / OthersWater / Air / Oil / Gas / OthersWater / Air / Oil / GasWaterWaterWater / Air / OilWater / Air / Oil / GasWater / Air / OilWater / Air / Oil / GasWater
                                                                                                                                                                                  Nominal Pressure-10KNo Standard, Others10K10K10K10K12510K10K10K ~ 300-10K15010K15016K10K10KNo Standard, Others16K20K10KNo Standard, Others10K10K10K16K10K10K20K30012510K16K12520K20K10KNo Standard, Others20K10K10K20K150
                                                                                                                                                                                  MaterialStainless Steel CastDuctile Cast IronBrass ~ Stainless SteelStainless Steel CastDuctile Cast IronStainless Steel CastStainless Steel CastBronzeBronzeStainless Steel CastCast SteelSteelDuctile Cast IronDuctile Cast IronDuctile Cast IronBronzeDuctile Cast IronStainless SteelCast IronBrass ~ Stainless SteelDuctile Cast IronDuctile Cast IronBronzeBrassBronzeDuctile Cast IronCast IronDuctile Cast IronStainless SteelCast IronDuctile Cast IronDuctile Cast IronBronzeBronzeDuctile Cast IronBronzeDuctile Cast IronDuctile Cast IronBrassStainless Steel CastStainless Steel CastDuctile Cast IronStainless Steel CastDuctile Cast IronBronze
                                                                                                                                                                                  Supply Side, Connection TypeRc (R)FlangeRc (R)FlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)FlangeRc (R)FlangeFlangeFlangeRc (R)Rc (R)Rc (R)FlangeRc (R)FlangeFlangeRc (R)Rc (R)Rc (R)FlangeFlangeFlange-FlangeRc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeFlangeRc (R)Rc (R)FlangeRc (R)FlangeFlangeRc (R)
                                                                                                                                                                                  Supply Side, Plumbing Thread Nominal1B ~ 3/4B-1/2B ~ 3/8B--1B ~ 3/4B1B ~ 3/4B1B ~ 4B1B ~ 3/8B1B ~ 3/8B-1/2B ~ 3/8B---1B ~ 3/8B1B ~ 3/4B1 1/2B ~ 3/4B-1/2B ~ 3/8B--1B ~ 3/4B1/2B ~ 3/8B1B ~ 3/4B-----1B ~ 3/4B-1B ~ 3/8B-1B ~ 3/4B1B ~ 3/8B--1B ~ 1 1/4B1B ~ 3/4B-1B ~ 3/4B--1B ~ 3/8B
                                                                                                                                                                                  Supply Side, Tube Flange Nominal-1 1/2B ~ 14B-1B ~ 3/4B1 1/2B ~ 12B-----2B ~ 12B-1B ~ 3/4B1 1/2B ~ 12B2B ~ 6B---1B ~ 1 1/4B-1B ~ 12B2B ~ 12B---2B ~ 8B1 1/2B ~ 18B2B ~ 8B-1 1/2B ~ 10B-2B ~ 12B-1B ~ 4B--2B ~ 8B1B ~ 3/4B--2B ~ 12B-2B ~ 12B1B ~ 3/4B-
                                                                                                                                                                                  Control Side, Connection Type-FlangeRc (R)FlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Flange-FlangeFlangeFlangeRc (R)Rc (R)Rc (R)FlangeRc (R)FlangeFlangeRc (R)Rc (R)Rc (R)FlangeFlangeFlange-FlangeRc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeFlangeRc (R)Rc (R)FlangeRc (R)FlangeFlangeRc (R)
                                                                                                                                                                                  Control Side, Plumbing Thread Nominal--1/2B ~ 3/8B--1B ~ 3/4B1B ~ 3/4B1B ~ 4B1B ~ 3/8B1B ~ 3/8B-----1B ~ 3/8B1B ~ 3/4B1 1/2B ~ 3/4B-1/2B ~ 3/8B--1B ~ 3/4B1/2B ~ 3/8B1B ~ 3/4B-----1B ~ 3/4B-1B ~ 3/8B-1B ~ 3/4B1B ~ 3/8B--1B ~ 1 1/4B1B ~ 3/4B-1B ~ 3/4B--1B ~ 3/8B
                                                                                                                                                                                  Control Side, Tube Flange Nominal-1 1/2B ~ 14B-1B ~ 3/4B1 1/2B ~ 12B-----2B ~ 12B-1B ~ 3/4B1 1/2B ~ 12B2B ~ 6B---1B ~ 1 1/4B-1B ~ 12B2B ~ 12B---2B ~ 8B1 1/2B ~ 18B2B ~ 8B-1 1/2B ~ 10B-2B ~ 12B-1B ~ 4B--2B ~ 8B1B ~ 3/4B--2B ~ 12B-2B ~ 12B1B ~ 3/4B-
                                                                                                                                                                                  Max. Operating Pressure(MPa)-1.421.41.41.41.41.181.41.41.4 ~ 5.1-1.41.731.41.62.210.9822.162.751.37 ~ 1.4211.371.41.42.2220.982.752.941.181.42.161.22.82.80.982.13.331.371.37 ~ 1.42.751.37 ~ 1.6
                                                                                                                                                                                  Cracking Pressure(MPa)--0.007----------------0.007---0.05 ~ 0.3----6.86----------------

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