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Fittings for Steel & Copper Pipes（Divisions of Max. Operating Pressure：than 2.0Mpa Page3）

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.

Connection Shape

Union
Union, Inside- Outside Thread
Elbow
Tee
Cross

103 items

: 30; 45; 60

Unions - Check Valve, High-Pressure, Bite Fitting, KZU Series

Ihara Science

A fitting for high-pressure piping up to medium diameter for general hydraulic pressure (13.7 MPa~). Pipe bending is also possible without the need for screw machining, welding, flaring, and brazing.

[Features]
· Flareless type check fittings with in-built check functions display the following characteristics.
· Lightweight and compact thanks to their integrated seal-free structure with no unnecessary screw connections .
▪ As pipe connections are flareless, screw machining, welding, and flaring are not required when piping. Therefore, man-hours and costs reduced dramatically.

Volume Discount

CAD ：

3D
Days to Ship: 28 Days or more
Tees - High-Pressure, Bite Fitting, KTA Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KTN Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Tee- High-Pressure, Bite Fitting, Male BSPT, KTK Series

Ihara Science

[Features]
· Joint for high-pressure pipes up to medium caliber for general hydraulic applications (up to 13.7 MPa).
· Screw machining, welding, flaring, and brazing are not necessary. Pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 21 Days or more
90° Elbows - High Pressure, Bite Fitting, 30° Flare Seat, Male BSPP, KLS Series

Ihara Science

Fitting for high-pressure piping of up to medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 28 Days or more
Straight Connector - High Pressure, Bite Fitting, 30° Flare Male Seat, Male BSPP, KUC Series

Ihara Science

Fitting for high-pressure piping of up to medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Unions - High-Pressure, Bite Fitting, KUA Series

Ihara Science

[Features]
- A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~).- No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Straight Connector - Bulkhead, High Pressure, Bite Fitting, Female BSPT, KSS Series

Ihara Science

Fitting for high-pressure piping of up to medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 21 Days or more
90° Elbows - Brass, Bite Fitting, B-1 Type, KL Series

Ihara Science

A fitting for up to medium-diameter high-pressure piping, working under general hydraulic pressure. Use with maximum operating pressures of 3.5 MPa or less with no shock or vibration applied, such as lubricant, grease, or pneumatic piping.

Volume Discount
Days to Ship: 22 Days or more
90° Elbows - Brass, Bite Fitting, Male BSPT, B-1 Type, KLN Series

Ihara Science

Fitting for the high-pressure piping of up to medium diameter of general hydraulic pressure. Use with piping with a maximum operating pressure 3.5 MPa, with no shock or vibration applied, such as that from lubricant, grease piping, or pneumatic piping.

Volume Discount
Days to Ship: 8 Days or more
Adapter - Brass, Bite Fitting, Male BSPT, KC Series

Ihara Science

High-pressure hydraulic piping (13.7 MPa~) fitting for use with up to mid-size apertures for general hydraulic pressure. Please use with piping of maximum operating pressure 3.5 MPa or less, with no shock or vibration applied, such as piping from lubricant, grease piping, or pneumatic piping.

Volume Discount
Days to Ship: Same day or more

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

Ihara Science

Fitting for high-pressure piping of up to medium diameter subject to general hydraulic pressure. Use this series for hydraulic piping paths that are subject to impact pressure and vibration.

Volume Discount
Days to Ship: 8 Days or more
Straight Connector - Compression Ring Fitting, Male BSPT, SHC Series

Sanko Material Supply

[Features]
· A double nut type fitting for vinyl-coated copper tube (control copper tube).
· The structure of the fitting seals the copper tube part and the vinyl part by two different rings. The brass ring connects to the copper tube to prevent leakage and the resin ring protects the copper tube from water, dirt, dust, and others materials that cause corrosion of the copper tube.
· MAX operating pressure: 2.94 MPa (30kgf/cm2).
· The operating temperature range: -10–60℃.

Volume Discount
Days to Ship: 8 Days or more

Days to Ship:	28 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	21 Days or more

Days to Ship:	28 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	21 Days or more

Days to Ship:	22 Days or more

Days to Ship:	8 Days or more

Days to Ship:	Same day or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
CAD
Days to Ship
Material
Surface Treatment
Applicable Fluid
Max. Operating Pressure
Connection Type
Connection Shape
Thread Size 1(inch)
Thread Size 1(mm)
Connection Thread Type
Types
Types of Related components
Fitting type
Applicable Pipe Type
Applicable Tube Size Type
Tube Material
Thread Nominal
Nominal A 1
Nominal 1(inch)
Applicable Pipe O.D. 1(mm)
Nominal A 2 [In case of different diameters](mm)
Thread Size 2(inch)
Thread Size 2(mm)
Nominal 2 [In the case of different diameters](inch)
Applicable Pipe O.D. 2 [In the case of different diameters](mm)
Divisions of Max. Operating Pressure(MPa)


Brand	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Sanko Material Supply
Product Series	Unions - Check Valve, High-Pressure, Bite Fitting, KZU Series	Tees - High-Pressure, Bite Fitting, KTA Series	90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KTN Series	Tee- High-Pressure, Bite Fitting, Male BSPT, KTK Series	90° Elbows - High Pressure, Bite Fitting, 30° Flare Seat, Male BSPP, KLS Series	Straight Connector - High Pressure, Bite Fitting, 30° Flare Male Seat, Male BSPP, KUC Series	Unions - High-Pressure, Bite Fitting, KUA Series	Straight Connector - Bulkhead, High Pressure, Bite Fitting, Female BSPT, KSS Series	90° Elbows - Brass, Bite Fitting, B-1 Type, KL Series	90° Elbows - Brass, Bite Fitting, Male BSPT, B-1 Type, KLN Series	Adapter - Brass, Bite Fitting, Male BSPT, KC Series	90° Elbows - Brass, Bite Fitting, Male BSPT, B Type, KLN Series	Straight Connector - Compression Ring Fitting, Male BSPT, SHC Series
CAD	3D	3D	3D	3D	3D	3D	3D	3D
Days to Ship	28 Days or more	8 Days or more	8 Days or more	21 Days or more	28 Days or more	8 Days or more	8 Days or more	21 Days or more	22 Days or more	8 Days or more	Same day or more Show Stock Products	8 Days or more	8 Days or more
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Brass	Brass	Brass	Brass	Brass
Surface Treatment	-	-	-	-	-	-	-	-	-	-	-	-	Nickel Plating
Applicable Fluid	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Water / Air / Oil
Max. Operating Pressure	31 - MPa	31 - MPa ～ 50 - MPa	50 - MPa	50 - MPa	28 - MPa	40 - MPa	40 - MPa ～ 50 - MPa	31 - MPa	7 - MPa	7 - MPa	7 - MPa	14 - MPa	2.94 - MPa
Connection Type	Pipe to Tube Insert, Equal Diameter	Pipe to Tube Insert, Equal Diameter	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Tube Insert, Equal Diameter	Pipe to Thread Insert	Pipe to Tube Insert, Equal Diameter	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert
Connection Shape	Union	Tee	Tee	Tee	Elbow	Union, Inside- Outside Thread	Union	Union, Inside- Outside Thread	Elbow	Elbow	Union, Inside- Outside Thread	Elbow	Union, Inside- Outside Thread
Thread Size 1(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 1(mm)	20	6 ～ 16	6 ～ 8	6 ～ 8	28	12	6 ～ 15	22	10	6	4 ～ 12	6 ～ 10	6
Connection Thread Type	-	-	R	R	-	-	-	Rc	-	R	R	R	R
Types	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Types of Related components	-	-	-	-	-	-	-	-	-	-	-	-	-
Fitting type	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Ring Fitting
Applicable Pipe Type	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (Controlled Copper Pipe)
Applicable Tube Size Type	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size
Tube Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Copper	Copper	Copper	Copper	Copper
Thread Nominal	-	-	1/8B(6A) / 1/4B(8A)	1/8B(6A) / 1/4B(8A)	1B(25A)	3/8B(10A)	-	3/4B(20A)	-	1/4B(8A)	1/8B(6A) / 1/4B(8A)	1/4B(8A) / 3/8B(10A)	1/4B(8A)
Nominal A 1	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal 1(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Applicable Pipe O.D. 1(mm)	20	6 ～ 16	6 ～ 8	6 ～ 8	28	12	6 ～ 15	22	10	6	4 ～ 12	6 ～ 10	6
Nominal A 2 [In case of different diameters](mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 2(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 2(mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal 2 [In the case of different diameters](inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Applicable Pipe O.D. 2 [In the case of different diameters](mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Divisions of Max. Operating Pressure(MPa)	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa

Configure

Stock

- Show Stock Products
Clear

Specification/Dimensions

Material
- Steel
- Brass
- Stainless Steel
Clear

Surface Treatment
- Not Provided
- Trivalent Chromate
- Zinc Plating
- Epoxy Resin
- Nickel Plating
Clear

Applicable Fluid
- Water
- Air
- Steam
- Gas
- Oil
- Powder
Clear

Metric / Inch
- metric
Clear

Max. Operating Pressure
1.0 - MPa

2.94 - MPa

3 - MPa

3.45 - MPa

3.5 - MPa

7 - MPa

7.0 - MPa

13.7 - MPa

14 - MPa

15 - MPa

20.69 - MPa

21 - MPa

28 - MPa

31 - MPa

40 - MPa

50 - MPa

125

150

1000

3900

4400

4600

4900

5300

5700

6100

6500

6600

7300

7600

7700

7800

8000

10000
Clear

Connection Type
- Pipe to Tube Insert, Equal Diameter
- Pipe to Tube Insert, Unequal Diameter
- Pipe to Thread Insert
Clear

Thread Size 1(inch)
1

1 1/2

1 1/4

1/2

1/4

1/8

2

2 1/2

2 1/4

3

3/4

3/8

4

5/8
Drawing

Clear

Thread Size 1(mm)
3

4

5

6

8

10

12

14

15

16

18

20

22

25

28

30

32

35

38

40

42

50
Drawing

Clear

Connection Thread Type
- R
- Rc
- NPT
Clear

Types
- Fitting
- Related Components
Clear

Types of Related components
- Sleeve
- Ring
- Nut
- Mounting Fitting
- Gasket seal
- Air Bleeding Valve
- Heat-Retention Material
Clear

Fitting type
- Ring Fitting
- Flare Fittings
- Sleeve-type fittings
- Bite type Fittings
- Mechanical Joint
Clear

Applicable Pipe Type
- Copper Pipe (General)
- Copper Pipe (for Refrigerant)
- Copper Pipe (Annealed Copper Pipe)
- Copper Pipe (Controlled Copper Pipe)
- Steel pipe (general)
Clear

Applicable Tube Size Type
- Copper Pipe mm size
- Copper Pipe inch size
- Copper Pipe mm-inch size
- Size for Copper Pipe Refrigerant
- Steel pipe JIS size
- Steel pipe metric size
Clear

Tube Material
- Steel
- Copper
- Stainless Steel
- PVC
- Polyethylene
- Resin
- Other Resins
Clear

Thread Nominal
- 1/8B(6A)
- 1/4B(8A)
- 3/8B(10A)
- 1/2B(15A)
- 3/4B(20A)
- 1B(25A)
- 1 1/4B(32A)
- 1 1/2B(40A)
- 2B(50A)
- 2 1/2B(65A)
- 3B(80A)
Drawing

Clear

Nominal A 1
6

8

10

13

15

20

25

30

32

40

50

65

80
Drawing

Clear

Nominal 1(inch)
1/2

1/4

1/8

3/4

3/8

5/8

7/8
Drawing

Clear

Applicable Pipe O.D. 1(mm)
3

3.18

4

5

6

6.35

8

9.52

9.53

10

10.50

12

12.70

13.80

14

15

15.14

15.88

16

17.3

18

19.05

20

21.7

22

22.22

25

27.2

28

30

32

34

35

38

40

42

42.7

48.6

50

60.5

76.30

89.10
Drawing

Clear

Nominal A 2 [In case of different diameters](mm)
6

8

10

15

20
Drawing

Clear

Thread Size 2(inch)
1

1 1/2

1 1/4

1/2

1/4

1/8

2

2 1/2

3

3/4

3/8

4
Drawing

Clear

Thread Size 2(mm)
4

6

8

10

12

15

16

18

20

22

25

28

30
Drawing

Clear

Nominal 2 [In the case of different diameters](inch)
1/2

1/4

3/8

5/8
Drawing

Clear

Applicable Pipe O.D. 2 [In the case of different diameters](mm)
4

6

6.35

8

9.52

9.53

10

10.5

12

12.70

13.80

15

15.88

16

17.30

18

20

21.7

22

25

27.2

28

30
Drawing

Clear

Divisions of Max. Operating Pressure(MPa)
- 1.0Mpa or Less
- than 2.0Mpa
Clear

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Fittings for Steel & Copper Pipes（Divisions of Max. Operating Pressure：than 2.0Mpa Page3）

Connection Shape

Configure

Stock

Specification/Dimensions

Material

Surface Treatment

Applicable Fluid

Metric / Inch

Max. Operating Pressure

Connection Type

Thread Size 1(inch)

Thread Size 1(mm)

Connection Thread Type

Types

Types of Related components

Fitting type

Applicable Pipe Type

Applicable Tube Size Type

Tube Material

Thread Nominal

Nominal A 1

Nominal 1(inch)

Applicable Pipe O.D. 1(mm)

Nominal A 2 [In case of different diameters](mm)

Thread Size 2(inch)

Thread Size 2(mm)

Nominal 2 [In the case of different diameters](inch)

Applicable Pipe O.D. 2 [In the case of different diameters](mm)

Divisions of Max. Operating Pressure(MPa)