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Check Valves(Page 3)

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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Type
Applicable Fluid
Nominal Pressure
Body 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)

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

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

        20 K Type - Ductile Cast-Iron Wing Check Valve

          J10K Lead Free Bronze Screw Down Swing Check Valve (Metal Sheet) (JIS B 2011) <<This Product Displays The New JIS Mark.>>

            J10K Type Lead Free Bronze Swing Check Valve (JV5)

              JIS 10K Type - Cast Iron F Type Swing Check Valve, Counterweight Type

                Class 10 K - Screw-in Type Swing Check Valve

                  Class 10K - Flange Type Swing Check Valve

                    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)

                                No. 009N Type Pressure-Reducing Backflow-Preventer (for Cold/Hot Water)

                                  No. 007N, Double Check Valves (for Cold Water / Hot Water)

                                    Intermediate Open Atmosphere System Backflow Prevention Model No.9BD Series

                                      Intermediate Open Atmosphere System Backflow Prevention Model No.9D Series

                                        Vacuum Breaker, No.800 Series

                                          Vacuum Breaker No.8 Type Series

                                            Stainless Steel, 22 MPa, Line Check Valve

                                              Straight Type SM Type JIS20K 

                                                Threaded SMG Type 10K Core Built-in Goods

                                                  Threaded SMG Type 10 K Screw-in

                                                    Straight Type SMF Model JIS10K Model

                                                      Check Valve (Inline Check) [for water, Hot water] CV5R Type

                                                        A-Check Nipple Type

                                                          A-Check Nipple Type

                                                            Check Valve EA425EC-2

                                                              Check Valve EA425EC-3

                                                                Check Valve EA425EC-4

                                                                  Swing Check Valve EA465A-6

                                                                  Brand

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  TOYO VALVE

                                                                  YOSHITAKE

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  VENN

                                                                  FUJIKIN

                                                                  ISHIZAKI

                                                                  ISHIZAKI

                                                                  ISHIZAKI

                                                                  ISHIZAKI

                                                                  MIYAWAKI

                                                                  ASOH

                                                                  ASOH

                                                                  ESCO

                                                                  ESCO

                                                                  ESCO

                                                                  ESCO

                                                                  Product Series

                                                                  20K Type Ductile Cast-Iron Flanged Swing Check Valve

                                                                  20K Type Ductile Cast-Iron Flanged Lift Check Valve

                                                                  20 K Type - Ductile Cast-Iron Wing Check Valve

                                                                  J10K Lead Free Bronze Screw Down Swing Check Valve (Metal Sheet) (JIS B 2011) <>

                                                                  J10K Type Lead Free Bronze Swing Check Valve (JV5)

                                                                  JIS 10K Type - Cast Iron F Type Swing Check Valve, Counterweight Type

                                                                  Class 10 K - Screw-in Type Swing Check Valve

                                                                  Class 10K - Flange Type Swing Check Valve

                                                                  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)

                                                                  No. 009N Type Pressure-Reducing Backflow-Preventer (for Cold/Hot Water)

                                                                  No. 007N, Double Check Valves (for Cold Water / Hot Water)

                                                                  Intermediate Open Atmosphere System Backflow Prevention Model No.9BD Series

                                                                  Intermediate Open Atmosphere System Backflow Prevention Model No.9D Series

                                                                  Vacuum Breaker, No.800 Series

                                                                  Vacuum Breaker No.8 Type Series

                                                                  Stainless Steel, 22 MPa, Line Check Valve

                                                                  Straight Type SM Type JIS20K 

                                                                  Threaded SMG Type 10K Core Built-in Goods

                                                                  Threaded SMG Type 10 K Screw-in

                                                                  Straight Type SMF Model JIS10K Model

                                                                  Check Valve (Inline Check) [for water, Hot water] CV5R Type

                                                                  A-Check Nipple Type

                                                                  A-Check Nipple Type

                                                                  Check Valve EA425EC-2

                                                                  Check Valve EA425EC-3

                                                                  Check Valve EA425EC-4

                                                                  Swing Check Valve EA465A-6

                                                                  CAD
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                                                                  • 2D
                                                                  • 2D
                                                                  • 2D
                                                                  • 2D
                                                                  • 2D
                                                                  Starting from

                                                                  547.56 €

                                                                  *Unit price with basic configuration

                                                                  89.56 €

                                                                  *Unit price with basic configuration

                                                                  -

                                                                  29.81 €

                                                                  *Unit price with basic configuration

                                                                  34.73 €

                                                                  *Unit price with basic configuration

                                                                  578.39 €

                                                                  *Unit price with basic configuration

                                                                  62.18 €

                                                                  *Unit price with basic configuration

                                                                  178.02 €

                                                                  *Unit price with basic configuration

                                                                  37.25 €

                                                                  *Unit price with basic configuration

                                                                  40.62 €

                                                                  *Unit price with basic configuration

                                                                  53.15 €

                                                                  *Unit price with basic configuration

                                                                  35.91 €

                                                                  *Unit price with basic configuration

                                                                  48.25 €

                                                                  *Unit price with basic configuration

                                                                  138.03 €

                                                                  *Unit price with basic configuration

                                                                  -

                                                                  -

                                                                  -

                                                                  -

                                                                  -

                                                                  -

                                                                  102.58 €

                                                                  *Unit price with basic configuration

                                                                  674.83 €

                                                                  *Unit price with basic configuration

                                                                  50.83 €

                                                                  *Unit price with basic configuration

                                                                  63.72 €

                                                                  *Unit price with basic configuration

                                                                  Volume Discount

                                                                  90.78 €

                                                                  *Unit price with basic configuration

                                                                  69.07 €

                                                                  *Unit price with basic configuration

                                                                  20.59 €

                                                                  *Unit price with basic configuration

                                                                  Volume Discount

                                                                  15.45 €

                                                                  *Unit price with basic configuration

                                                                  Volume Discount

                                                                  26.82 €

                                                                  *Unit price with basic configuration

                                                                  33.68 €

                                                                  *Unit price with basic configuration

                                                                  47.12 €

                                                                  *Unit price with basic configuration

                                                                  58.18 €

                                                                  *Unit price with basic configuration

                                                                  Min. Shipping Days 83 Days 83 Days 89 Days 5 Days 5 Days 43 Days 4 Days 5 Days 8 Days 8 Days 8 Days 8 Days 8 Days 7 Days 43 Days 43 Days 48 Days 48 Days 8 Days 8 Days 49 Days 13 Days 6 Days 13 Days 13 Days 18 Days Same day Same day 4 Days 4 Days 4 Days 4 Days
                                                                  TypeSwing TypeLift TypeWafer TypeSwing TypeSwing TypeSwing TypeSwing TypeSwing TypeSpring Type (In-line)OthersOthersOthersOthersOthersOthersOthersOthersOthersOthersOthersSpring Type (In-line)OthersOthersOthersOthersSpring Type (In-line)Spring Type (In-line)Spring Type (In-line)----
                                                                  Applicable FluidWater / Air / Oil / Gas / OthersWater / Air / Oil / GasWater / Air / OilWaterWaterWater / OilWater / Air / Oil / Gas / OthersWater / Air / Oil / Gas / OthersWaterWaterWaterWaterWaterWater / OthersWaterWaterWaterWaterWaterWaterWater / Air / Oil / Gas / OthersWaterWaterWaterWaterWaterWater / AirWater / Air----
                                                                  Nominal Pressure20K20K20K10K10K10K10K10KNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, OthersNo Standard, Others----10K20K10K10K10KNo Standard, OthersNo Standard, OthersNo Standard, Others----
                                                                  Body MaterialDuctile Cast IronDuctile Cast IronDuctile Cast IronLead-free Copper AlloyLead-free Copper AlloyDuctile Cast IronStainless SteelStainless SteelBrassBronzeBronzeBronzeBronzeBronzeBronzeBronzeStainless SteelBronzeBronzeBrassStainless SteelCast IronBrassBrassCast IronCast Stainless SteelBrass ~ Stainless SteelBrass ~ Stainless Steel----
                                                                  Supply Side, Connection TypeFlangeFlangeFlangeRc (R)Rc (R)FlangeRc (R)FlangeGGGRc (R)GRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)-FlangeRc (R)Rc (R)FlangeRc (R)Rc (R)Rc (R)----
                                                                  Supply Side, Plumbing Thread Nominal---1B ~ 3/4B1B ~ 3/4B-1 1/2B ~ 3/4B-1B ~ 3/4B1B1B3/4B1B1B ~ 3/4B1B ~ 3/4B1B ~ 3/4B3/8B1/2B ~ 3/4B1B ~ 3/4B1/2B ~ 3/8B--1B ~ 1 1/4B1B ~ 1 1/4B-3/4B1/2B ~ 3/8B1/2B ~ 3/8B----
                                                                  Supply Side, Tube Flange Nominal2B ~ 8B1B ~ 3/4B1 1/2B ~ 12B--2B ~ 8B-1B ~ 3/4B-------------1 1/2B ~ 12B--1B ~ 1 1/4B-------
                                                                  Control Side, Connection TypeFlangeFlangeFlangeRc (R)Rc (R)FlangeRc (R)FlangeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)-FlangeRc (R)Rc (R)FlangeRc (R)Rc (R)Rc (R)----
                                                                  Control Side, Plumbing Thread Nominal---1B ~ 3/4B1B ~ 3/4B-1 1/2B ~ 3/4B-1B ~ 1 1/4B3/4B3/4B3/4B3/4B1B ~ 3/4B1B ~ 3/4B1B ~ 3/4B3/8B1/2B ~ 3/4B1B ~ 3/4B1/2B ~ 3/8B--1B ~ 1 1/4B1B ~ 1 1/4B-3/4B1/2B ~ 3/8B1/2B ~ 3/8B----
                                                                  Control Side, Tube Flange Nominal2B ~ 8B1B ~ 3/4B1 1/2B ~ 12B--2B ~ 8B-1B ~ 3/4B-------------1 1/2B ~ 12B--1B ~ 1 1/4B-------
                                                                  Max. Operating Pressure(MPa)2.82.82.81.411.411-111111.21.211.210.86221.960.980.980.981.622----
                                                                  Cracking Pressure(MPa)--------------------6.86-----0.0070.007----

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