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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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Supply Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
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Control Side, Plumbing Thread Nominal
Control Side, Tube Flange Nominal
Max. Operating Pressure(MPa)
Cracking Pressure(MPa)

    General Purpose Ductile Iron 10K Swing Check Valve Flange

      General Purpose Ductile Iron Class 150 Swing Check Valve Flange

        Malleable Valve, 10K Type, Check Valve (Swing Type) Flanged

          General Purpose Ductile Iron Class 300 Swing Check Valve Flange

            Check Fitting CSA

              150 E Type - Bronze Screw-in Type Lift Check Valve

                A-Check Nipple Type

                  Check Valve/Oil Hydraulic

                    Stainless Steel General-Purpose 10K wafer Check Valve

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

                        Bronze General Purpose 10K Swing Check Valve Flange

                          Check Fitting CSB

                            Stainless Steel Swing Check Valve, SVC Type, SVC2 Type

                              10K-Type Cast Iron Wing Check Valve

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

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

                                    Straight Type SM Type JIS10K 

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

                                        A-Check Nipple Type

                                          Check Valves

                                            Stainless Steel General-Purpose 20K wafer Check Valve

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

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

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

                                                    General Purpose Ductile Iron 10K Lift Check Valve Flange

                                                      General Purpose Ductile Iron 20K Swing Check Valve Flange

                                                        Bronze JIS-Standard 10K Swing Check Valve Screw-in

                                                          General Purpose Bronze 10K Lift Check Valve Screw-in

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

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

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

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

                                                                    General Purpose Ductile Iron 20K Lift Check Valve Flange

                                                                      Bronze General-Purpose 125 Type Swing Check Valve Screwing

                                                                        General Purpose Bronze150-Type Lift Check Screw Valve

                                                                          Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange

                                                                            General Purpose Ductile Iron 16K Swing Check Valve Flange

                                                                              Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type) Screw-In

                                                                                Malleable Valve, General-Purpose, 10K Type, Check Valve (Lift Type), Flanged

                                                                                  Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type) Screw-In, equipped with Reinforced PTFE Disc

                                                                                    Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type), Flanged, Strengthened PTFE Disk Equipped

                                                                                      Malleable Valve, General-Purpose 10K Type, Screwed, Check Valve (Lift Type) With NBR Disc

                                                                                        Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type), Flanged, NBR Disk Equipped

                                                                                          Malleable Valve, General-Purpose 10K Type, Check Valve (Swing Type), Screwed

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

                                                                                            Brand

                                                                                            KITZ

                                                                                            KITZ

                                                                                            HITACHI VALVE

                                                                                            KITZ

                                                                                            KOYO

                                                                                            TOYO VALVE

                                                                                            ASOH

                                                                                            MISUMI

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KOYO

                                                                                            ONDA MFG

                                                                                            TOYO VALVE

                                                                                            TOYO VALVE

                                                                                            VENN

                                                                                            ISHIZAKI

                                                                                            MIYAWAKI

                                                                                            ASOH

                                                                                            MISUMI

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            KITZ

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            HITACHI VALVE

                                                                                            Product Series

                                                                                            General Purpose Ductile Iron 10K Swing Check Valve Flange

                                                                                            General Purpose Ductile Iron Class 150 Swing Check Valve Flange

                                                                                            Malleable Valve, 10K Type, Check Valve (Swing Type) Flanged

                                                                                            General Purpose Ductile Iron Class 300 Swing Check Valve Flange

                                                                                            Check Fitting CSA

                                                                                            150 E Type - Bronze Screw-in Type Lift Check Valve

                                                                                            A-Check Nipple Type

                                                                                            Check Valve/Oil Hydraulic

                                                                                            Stainless Steel General-Purpose 10K wafer Check Valve

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

                                                                                            Bronze General Purpose 10K Swing Check Valve Flange

                                                                                            Check Fitting CSB

                                                                                            Stainless Steel Swing Check Valve, SVC Type, SVC2 Type

                                                                                            10K-Type Cast Iron Wing Check Valve

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

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

                                                                                            Straight Type SM Type JIS10K 

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

                                                                                            A-Check Nipple Type

                                                                                            Check Valves

                                                                                            Stainless Steel General-Purpose 20K wafer Check Valve

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

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

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

                                                                                            General Purpose Ductile Iron 10K Lift Check Valve Flange

                                                                                            General Purpose Ductile Iron 20K Swing Check Valve Flange

                                                                                            Bronze JIS-Standard 10K Swing Check Valve Screw-in

                                                                                            General Purpose Bronze 10K Lift Check Valve Screw-in

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

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

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

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

                                                                                            General Purpose Ductile Iron 20K Lift Check Valve Flange

                                                                                            Bronze General-Purpose 125 Type Swing Check Valve Screwing

                                                                                            General Purpose Bronze150-Type Lift Check Screw Valve

                                                                                            Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange

                                                                                            General Purpose Ductile Iron 16K Swing Check Valve Flange

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type) Screw-In

                                                                                            Malleable Valve, General-Purpose, 10K Type, Check Valve (Lift Type), Flanged

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type) Screw-In, equipped with Reinforced PTFE Disc

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type), Flanged, Strengthened PTFE Disk Equipped

                                                                                            Malleable Valve, General-Purpose 10K Type, Screwed, Check Valve (Lift Type) With NBR Disc

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Lift Type), Flanged, NBR Disk Equipped

                                                                                            Malleable Valve, General-Purpose 10K Type, Check Valve (Swing Type), Screwed

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

                                                                                            CAD
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D / 3D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            • 2D
                                                                                            Starting from

                                                                                            321.40 €

                                                                                            *Unit price with basic configuration

                                                                                            389.16 €

                                                                                            *Unit price with basic configuration

                                                                                            466.33 €

                                                                                            *Unit price with basic configuration

                                                                                            605.38 €

                                                                                            *Unit price with basic configuration

                                                                                            13.40 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            16.94 €

                                                                                            *Unit price with basic configuration

                                                                                            13.68 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            52.94 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            492.75 €

                                                                                            *Unit price with basic configuration

                                                                                            54.97 €

                                                                                            *Unit price with basic configuration

                                                                                            94.62 €

                                                                                            *Unit price with basic configuration

                                                                                            12.76 €

                                                                                            *Unit price with basic configuration

                                                                                            35.86 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            157.28 €

                                                                                            *Unit price with basic configuration

                                                                                            169.14 €

                                                                                            *Unit price with basic configuration

                                                                                            138.03 €

                                                                                            *Unit price with basic configuration

                                                                                            144.75 €

                                                                                            *Unit price with basic configuration

                                                                                            83.31 €

                                                                                            *Unit price with basic configuration

                                                                                            20.59 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            84.93 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            -

                                                                                            93.25 €

                                                                                            *Unit price with basic configuration

                                                                                            71.81 €

                                                                                            *Unit price with basic configuration

                                                                                            25.48 €

                                                                                            *Unit price with basic configuration

                                                                                            63.90 €

                                                                                            *Unit price with basic configuration

                                                                                            448.10 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            21.81 €

                                                                                            *Unit price with basic configuration

                                                                                            18.49 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            23.23 €

                                                                                            *Unit price with basic configuration

                                                                                            58.93 €

                                                                                            *Unit price with basic configuration

                                                                                            151.69 €

                                                                                            *Unit price with basic configuration

                                                                                            85.21 €

                                                                                            *Unit price with basic configuration

                                                                                            98.16 €

                                                                                            *Unit price with basic configuration

                                                                                            15.20 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            15.20 €

                                                                                            *Unit price with basic configuration

                                                                                            195.94 €

                                                                                            *Unit price with basic configuration

                                                                                            62.14 €

                                                                                            *Unit price with basic configuration

                                                                                            25.61 €

                                                                                            *Unit price with basic configuration

                                                                                            Volume Discount

                                                                                            69.63 €

                                                                                            *Unit price with basic configuration

                                                                                            25.96 €

                                                                                            *Unit price with basic configuration

                                                                                            55.93 €

                                                                                            *Unit price with basic configuration

                                                                                            26.23 €

                                                                                            *Unit price with basic configuration

                                                                                            74.21 €

                                                                                            *Unit price with basic configuration

                                                                                            32.19 €

                                                                                            *Unit price with basic configuration

                                                                                            39.61 €

                                                                                            *Unit price with basic configuration

                                                                                            Min. Shipping Days 6 Days 89 Days 6 Days 89 Days Same day 5 Days Same day 3 Days 89 Days 5 Days 6 Days 4 Days Same day 6 Days 6 Days 8 Days 6 Days 5 Days Same day Same day 89 Days 89 Days 6 Days 5 Days 6 Days 6 Days 5 Days Same day 83 Days 5 Days 5 Days 6 Days 6 Days 5 Days 5 Days 89 Days 83 Days Same day 6 Days 6 Days 39 Days 6 Days 39 Days 4 Days 5 Days
                                                                                            TypeSwing TypeSwing TypeSwing TypeSwing TypeSpring Type (In-line)Lift TypeSpring Type (In-line)Spring Type (In-line)Wafer TypeLift TypeSwing TypeSpring Type (In-line)Swing TypeWafer TypeSwing TypeOthersOthersSpring Type (In-line)Spring Type (In-line)Swing TypeSwing TypeSwing Type / Lift TypeLift TypeLift TypeLift TypeSwing TypeSwing TypeLift TypeSwing TypeSwing TypeSwing TypeSwing TypeLift TypeSwing TypeLift TypeSwing TypeLift TypeLift TypeLift TypeLift TypeLift TypeLift TypeLift TypeSwing TypeSpring Type (In-line)
                                                                                            Applicable FluidWater / Air / Oil / GasWater / Oil / GasWater / Air / OilWater / Oil / GasAirWater / OthersWater / AirOilWater / Air / OilWater / Air / Oil / GasWater / Air / Oil / GasAirWater / OilWater / Air / OilWater / Oil / OthersWater / OthersWaterWaterWater / AirWater / Air / OilWater / Air / OilWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWaterWaterWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / Oil / GasWaterWaterWater / Air / Oil / GasWater / Air / Oil / GasWater / Air / OilWater / Air / OilWater / Air / OilWater / Air / OilWater / Air / OilWater / Air / OilWater / Air / OilWater / Air / Oil
                                                                                            Nominal Pressure10K15010K300No Standard, Others150No Standard, Others-10K10K10KNo Standard, Others20010K10KNo Standard, Others10KNo Standard, OthersNo Standard, Others-20K16K20K10K10K20K10K10K12510K10K10K20K12515010K16K10K10K10K10K10K10K10K10K
                                                                                            Body MaterialDuctile Cast IronDuctile Cast IronDuctile Cast IronDuctile Cast IronBrassBronzeBrass ~ Stainless SteelSteelCast Stainless SteelCast Stainless SteelBronzeBrassCast Stainless SteelCast IronDuctile Cast IronBronzeCast IronCast Stainless SteelBrass ~ Stainless SteelCast Stainless Steel-Ductile Cast IronDuctile Cast IronDuctile Cast IronDuctile Cast IronDuctile Cast IronBronzeBronzeBronzeCast Stainless SteelCast Stainless SteelCast Stainless SteelDuctile Cast IronBronzeBronzeCast Stainless SteelDuctile Cast IronCast IronDuctile Cast IronCast IronDuctile Cast IronCast IronDuctile Cast IronCast IronBronze
                                                                                            Supply Side, Connection TypeFlangeFlangeFlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeFlangeRc (R)FlangeRc (R)Rc (R)Rc (R)FlangeFlangeRc (R)Rc (R)FlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeRc (R)Rc (R)FlangeRc (R)FlangeRc (R)FlangeRc (R)Rc (R)
                                                                                            Supply Side, Plumbing Thread Nominal----1/2B ~ 3/8B1B ~ 3/8B1/2B ~ 3/8B1/2B ~ 3/8B-1B ~ 3/8B-1/2B ~ 3/8B1B ~ 3/4B--1B ~ 3/4B-1B ~ 3/4B1/2B ~ 3/8B1B ~ 3/4B--1B ~ 3/4B1B ~ 3/4B--1B ~ 3/8B1B ~ 3/4B1B ~ 3/8B1B ~ 3/4B-1B ~ 3/4B-1B ~ 4B1B ~ 3/8B-1B ~ 3/4B1B ~ 3/4B-1B ~ 3/4B-1B ~ 3/4B-1B ~ 3/4B1B ~ 3/4B
                                                                                            Supply Side, Tube Flange Nominal1 1/2B ~ 12B1 1/2B ~ 12B1 1/2B ~ 12B2B ~ 12B----2B ~ 12B-1B ~ 4B--1 1/2B ~ 18B1 1/2B ~ 14B-1 1/2B ~ 20B---2B ~ 12B1B ~ 12B--1B ~ 3/4B2B ~ 12B----1B ~ 3/4B-1B ~ 3/4B--1B ~ 3/4B--1B ~ 3/8B-1B ~ 3/8B-1B ~ 3/8B--
                                                                                            Control Side, Connection TypeFlangeFlangeFlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeFlangeRc (R)FlangeRc (R)Rc (R)Rc (R)FlangeFlangeRc (R)Rc (R)FlangeFlangeRc (R)Rc (R)Rc (R)Rc (R)FlangeRc (R)FlangeRc (R)Rc (R)FlangeRc (R)Rc (R)FlangeRc (R)FlangeRc (R)FlangeRc (R)Rc (R)
                                                                                            Control Side, Plumbing Thread Nominal----1/2B ~ 3/8B1B ~ 3/8B1/2B ~ 3/8B1/2B ~ 3/8B-1B ~ 3/8B-1/2B ~ 3/8B1B ~ 3/4B--1B ~ 3/4B-1B ~ 3/4B1/2B ~ 3/8B1B ~ 3/4B--1B ~ 3/4B1B ~ 3/4B--1B ~ 3/8B1B ~ 3/4B1B ~ 3/8B1B ~ 3/4B-1B ~ 3/4B-1B ~ 4B1B ~ 3/8B-1B ~ 3/4B1B ~ 3/4B-1B ~ 3/4B-1B ~ 3/4B-1B ~ 3/4B1B ~ 3/4B
                                                                                            Control Side, Tube Flange Nominal1 1/2B ~ 12B1 1/2B ~ 12B1 1/2B ~ 12B2B ~ 12B----2B ~ 12B-1B ~ 4B--1 1/2B ~ 18B1 1/2B ~ 14B-1 1/2B ~ 20B---2B ~ 12B1B ~ 12B--1B ~ 3/4B2B ~ 12B----1B ~ 3/4B-1B ~ 3/4B--1B ~ 3/4B--1B ~ 3/8B-1B ~ 3/8B-1B ~ 3/8B--
                                                                                            Max. Operating Pressure(MPa)1.41.731.372.94211.6234.51.37 ~ 1.41.41.421-1.41.410.982.120.63.332.162.751.371.42.751.41.37 ~ 1.41.181.41.41.42.751.181.37 ~ 1.61.42.161.371.371.371.371.371.371.371.37
                                                                                            Cracking Pressure(MPa)----0.05 ~ 0.3-0.0070.04---0.05 ~ 0.3------0.007--------------------------

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