Fittings for Steel & Copper Pipes

A copper pipe / steel pipe fitting is a fitting made of the same material as the pipe used when piping copper pipes or steel pipes. The material of copper pipe fittings used for water supply pipes and general refrigerant pipes is mainly brass, and the steel pipe fitting material suitable for transporting oil, air, gas, etc. is carbon steel. Some products are cadmium-free and lead-free hot-dip galvanized, and others are surface-treated with epoxy resin, which has excellent water and corrosion resistance. In addition to unions, sockets, and reducers that connect straight pipes, elbows that connect pipes by bending them 90 degrees, tees that branch into a T-shape, crosses that branch into four sides, etc. are available. Connections include screw-in connections and welding, as well as ring connections, abacus ball ring connections, etc. that can reduce the piping process. Note that the outer diameter of pipes and fittings is displayed in two types, millimeters and inches, and the outer diameter size may differ between JIS piping and ANSI piping.

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    Copper Pipe Fittings - Union, Threaded End, Selectable Thread

      Straight Connector - High-Pressure, Bite Fitting, Male BSPT, KCT Series

        Hydraulic Bite-Type Fittings - Unions

          Copper Pipe Fittings - Union

            Seal - High-Pressure, Bite Fitting, KP Series

              Copper Pipe Fittings - Gland Ring

                Unions - Compression Tube Fitting, Male NPT

                  Copper Pipe Fittings - Union Tee

                    Copper Pipe Fittings - Elbow, 90 Degree, Threaded

                    • Spec Change

                    Hydraulic Bite-Type Fittings - Connectors, Threaded

                      Straight Connector - Compression Tube Fitting, Brass, Male NPT, RS Series

                        Sleeve - Compression Tube Fitting, Brass, RB Series

                          Straight Connector - Bite Fitting, Male BSPT, KCT Series

                            90° Elbows - Compression Tube Fitting, Male NPT

                              Straight Connector - Bite Fitting, KHA Series

                                Straight Connector - Bite Fitting, Female BSPT, KGA Series

                                  Fittings for Annealed Copper Pipes - Union, Threaded End

                                    Tees - Flare Tube Fitting, Brass, Male NPT, FT Series

                                      Unions - Bulkhead, Welded, Compression Tube Fitting, NW Series

                                        90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KLN Series

                                          90° Elbows - Aluminum, Pipe Fitting, Female NPT, Class 150

                                            Straight Connector - Bite Fitting, Male BSPT, GS-1 Series

                                              Hydraulic Bite-Type Fittings - Tees

                                                Copper Pipe Fittings - Union Elbow, 90 Degree

                                                  Straight Connector - Flare Tube Fitting, Brass, Male NPT, FS Series

                                                    90° Elbows - Bite Fitting, Male BSPT, KLN Series

                                                      Adapter - Brass, Bite Fitting, Male BSPT, KC Series

                                                        Copper Pipe Fittings - Union Tee, Threaded Branch

                                                        • Lead Time Reduction

                                                        Copper Pipe Fittings - Union, Threaded End

                                                          Copper Pipe Fittings - Ring Nut

                                                            Flare Nut - Brass, Flare Fitting, AFN Series

                                                              Straight Connector - Expander/Reducer, Flare Tube Fitting, Brass, Double, FE Series

                                                                Unions - Bulkhead, Brass, Bite Fitting, KSU Series

                                                                  90° Elbows - Brass, Bite Fitting, Male BSPT, B Type, KLN Series

                                                                    Nut - Brass, Bite Fitting, B Type, KN Series

                                                                      Unions - Steel Pipe Fitting, Epoxy Resin Coated or Zinc Plated, Female NPT

                                                                      • Lead Time Reduction

                                                                      Copper Pipe Fittings - Pin-Ring Joint

                                                                      • Lead Time Reduction

                                                                      Copper Pipe Fittings - Union, Tapped End

                                                                        Straight Connector - Brass, Compression Fitting, Male BSPT, RMC Series

                                                                          Straight Connector - Compression Tube Fitting, Brass, Female NPT, RS Series

                                                                            Ring - Brass, Tube Pipe Fitting, Compression Ring Fitting, M614RK Series

                                                                              Straight Connector - Check Valve, High-Pressure, Bite Fitting, Male BSPT, KZC Series

                                                                              • Spec Change

                                                                              Hydraulic Bite-Type Fittings - Elbow, Threaded

                                                                                Copper Pipe Fittings - Lock Nut

                                                                                  Straight Connector - Bulkhead, Brass, Compression Ring Fitting, Female BSPT, RFB Series

                                                                                  Brand

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                                                                                  Ihara Science

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                                                                                  Ihara Science

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                                                                                  Fuji Special

                                                                                  MISUMI

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                                                                                  Asoh

                                                                                  Asoh

                                                                                  Ihara Science

                                                                                  Fuji Special

                                                                                  Ihara Science

                                                                                  Ihara Science

                                                                                  MISUMI

                                                                                  Asoh

                                                                                  Fuji Special

                                                                                  Ihara Science

                                                                                  USA Sealing

                                                                                  Fuji Special

                                                                                  MISUMI

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                                                                                  Asoh

                                                                                  Ihara Science

                                                                                  Ihara Science

                                                                                  MISUMI

                                                                                  MISUMI

                                                                                  MISUMI

                                                                                  Koyo

                                                                                  Asoh

                                                                                  Ihara Science

                                                                                  Ihara Science

                                                                                  Ihara Science

                                                                                  CK Metals

                                                                                  MISUMI

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                                                                                  Koyo

                                                                                  Asoh

                                                                                  Miyako

                                                                                  Ihara Science

                                                                                  MISUMI

                                                                                  MISUMI

                                                                                  Koyo

                                                                                  Product Series

                                                                                  Copper Pipe Fittings - Union, Threaded End, Selectable Thread

                                                                                  Straight Connector - High-Pressure, Bite Fitting, Male BSPT, KCT Series

                                                                                  Hydraulic Bite-Type Fittings - Unions

                                                                                  Copper Pipe Fittings - Union

                                                                                  Seal - High-Pressure, Bite Fitting, KP Series

                                                                                  Copper Pipe Fittings - Gland Ring

                                                                                  Unions - Compression Tube Fitting, Male NPT

                                                                                  Copper Pipe Fittings - Union Tee

                                                                                  Copper Pipe Fittings - Elbow, 90 Degree, Threaded

                                                                                  Hydraulic Bite-Type Fittings - Connectors, Threaded

                                                                                  Straight Connector - Compression Tube Fitting, Brass, Male NPT, RS Series

                                                                                  Sleeve - Compression Tube Fitting, Brass, RB Series

                                                                                  Straight Connector - Bite Fitting, Male BSPT, KCT Series

                                                                                  90° Elbows - Compression Tube Fitting, Male NPT

                                                                                  Straight Connector - Bite Fitting, KHA Series

                                                                                  Straight Connector - Bite Fitting, Female BSPT, KGA Series

                                                                                  Fittings for Annealed Copper Pipes - Union, Threaded End

                                                                                  Tees - Flare Tube Fitting, Brass, Male NPT, FT Series

                                                                                  Unions - Bulkhead, Welded, Compression Tube Fitting, NW Series

                                                                                  90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KLN Series

                                                                                  90° Elbows - Aluminum, Pipe Fitting, Female NPT, Class 150

                                                                                  Straight Connector - Bite Fitting, Male BSPT, GS-1 Series

                                                                                  Hydraulic Bite-Type Fittings - Tees

                                                                                  Copper Pipe Fittings - Union Elbow, 90 Degree

                                                                                  Straight Connector - Flare Tube Fitting, Brass, Male NPT, FS Series

                                                                                  90° Elbows - Bite Fitting, Male BSPT, KLN Series

                                                                                  Adapter - Brass, Bite Fitting, Male BSPT, KC Series

                                                                                  Copper Pipe Fittings - Union Tee, Threaded Branch

                                                                                  Copper Pipe Fittings - Union, Threaded End

                                                                                  Copper Pipe Fittings - Ring Nut

                                                                                  Flare Nut - Brass, Flare Fitting, AFN Series

                                                                                  Straight Connector - Expander/Reducer, Flare Tube Fitting, Brass, Double, FE Series

                                                                                  Unions - Bulkhead, Brass, Bite Fitting, KSU Series

                                                                                  90° Elbows - Brass, Bite Fitting, Male BSPT, B Type, KLN Series

                                                                                  Nut - Brass, Bite Fitting, B Type, KN Series

                                                                                  Unions - Steel Pipe Fitting, Epoxy Resin Coated or Zinc Plated, Female NPT

                                                                                  Copper Pipe Fittings - Pin-Ring Joint

                                                                                  Copper Pipe Fittings - Union, Tapped End

                                                                                  Straight Connector - Brass, Compression Fitting, Male BSPT, RMC Series

                                                                                  Straight Connector - Compression Tube Fitting, Brass, Female NPT, RS Series

                                                                                  Ring - Brass, Tube Pipe Fitting, Compression Ring Fitting, M614RK Series

                                                                                  Straight Connector - Check Valve, High-Pressure, Bite Fitting, Male BSPT, KZC Series

                                                                                  Hydraulic Bite-Type Fittings - Elbow, Threaded

                                                                                  Copper Pipe Fittings - Lock Nut

                                                                                  Straight Connector - Bulkhead, Brass, Compression Ring Fitting, Female BSPT, RFB Series

                                                                                  CAD
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                                                                                  Days to Ship Same Day

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                                                                                  Specifications
                                                                                  • Rapid Design
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                                                                                                                                                MaterialBrassSteelSteelBrass-BrassSteelBrassBrassSteelBrass-SteelSteelSteelSteelBrassBrassSteelSteelSteelBrassSteelBrassBrassSteelBrassBrassBrassBrass-BrassBrassBrass-Stainless SteelBrassBrassBrassBrass-SteelSteelBrassBrass
                                                                                                                                                Surface TreatmentNot Provided-Trivalent ChromateNot Provided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedTrivalent ChromateNot Provided--Not Provided--Not ProvidedNot ProvidedNot Provided--Not ProvidedTrivalent ChromateNot ProvidedNot Provided--Not ProvidedNot ProvidedNot Provided-Not Provided---Zinc Plating / Epoxy ResinNot ProvidedNot ProvidedNot ProvidedNot Provided--Trivalent ChromateNot ProvidedNot Provided
                                                                                                                                                Compatible FluidWater / Air / OilOilOilWater / Air / Oil-Water / Air / OilWater / Air / Steam / Oil / PowderWater / Air / OilWater / Air / OilOilWater / Air / Oil-Air / OilWater / Air / Steam / Oil / PowderAir / OilOilWater / Air / OilWater / Air / OilWater / Air / Steam / Oil / PowderOil-Water / Air / OilOilWater / Air / OilWater / Air / OilAir / OilOilWater / Air / OilWater / Air / OilWater / Air / Oil-Water / Air / OilOilOil-Water / Air / OilWater / Air / OilWater / Air / OilAirWater / Air / Oil-OilOilWater / Air / OilAir
                                                                                                                                                Maximum Operating Pressure(MPa)7.0 - MPa31 - MPa ~ 50 - MPa50 - MPa7.0 - MPa-7.0 - MPa21 - MPa7.0 - MPa7.0 - MPa40 - MPa ~ 50 - MPa3.45 - MPa-13.7 - MPa21 - MPa13.7 - MPa31 - MPa ~ 50 - MPa7.0 - MPa3.45 - MPa21 - MPa31 - MPa ~ 50 - MPa15015 - MPa50 - MPa7.0 - MPa3.45 - MPa13.7 - MPa7 - MPa7.0 - MPa7.0 - MPa7.0 - MPa-3.45 - MPa7 - MPa14 - MPa-1.0 - MPa7.0 - MPa7.0 - MPa7 - MPa3.45 - MPa-31 - MPa40 - MPa ~ 50 - MPa7.0 - MPa7 - MPa
                                                                                                                                                Connection TypePipe to Thread InsertPipe to Thread InsertPipe to Tube Insert, Equal DiameterPipe to Tube Insert, Equal Diameter--Pipe to Thread InsertPipe to Tube Insert, Equal DiameterPipe to Thread InsertPipe to Thread InsertPipe to Thread Insert-Pipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Tube Insert, Equal DiameterPipe to Thread Insert-Pipe to Thread InsertPipe to Tube Insert, Equal DiameterPipe to Tube Insert, Equal DiameterPipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Thread InsertPipe to Thread Insert--Pipe to Tube Insert, Unequal DiameterPipe to Tube Insert, Equal DiameterPipe to Thread Insert-Pipe to Tube Insert, Equal Diameter-Pipe to Thread InsertPipe to Thread InsertPipe to Thread Insert-Pipe to Thread InsertPipe to Thread Insert-Pipe to Thread Insert
                                                                                                                                                Connection Shape-Union, Inside- Outside Thread----Union, Inside- Outside Thread---Union, Inside- Outside Thread-Union, Inside- Outside ThreadElbowUnion, Inside- Outside ThreadUnion, Inside- Outside Thread-TeeUnionElbowElbowUnion, Inside- Outside Thread--Union, Inside- Outside ThreadElbowUnion, Inside- Outside Thread----UnionUnionElbow-Union--Union, Inside- Outside ThreadUnion, Inside- Outside Thread-Union, Inside- Outside Thread--Union, Inside- Outside Thread
                                                                                                                                                Thread Size 1(in)1/2 ~ 3/81/4 ~ 3/4----1 ~ 3/8-1/2 ~ 3/8----1 ~ 3/8-3/81/2 ~ 3/8-1 ~ 3/81/4 ~ 3/81 ~ 3/8------1/2 ~ 3/8-1/2 ~ 5/8-----1 ~ 3/8-------1/2 ~ 3/8-
                                                                                                                                                Thread Size 1(mm)-4 ~ 25----6 ~ 42---4 ~ 15-6 ~ 254 ~ 3810 ~ 166 ~ 25-6 ~ 156 ~ 384 ~ 25-6 ~ 25--6 ~ 156 ~ 254 ~ 12----6 ~ 1266 ~ 10----3 ~ 124 ~ 15-16--14
                                                                                                                                                Connection Thread TypeRR----R-RRR-RRRRcRR-RNPT---RRRR-G---R---RRRc-RR--
                                                                                                                                                Thread Size 2(in)---------------------------------------------
                                                                                                                                                Thread Size 2(mm)-------------------------------8 ~ 15-------------

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