FUJIKIN Fittings for Steel Pipes and Copper Pipes

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Half-Union Ring Joints

FUJIKIN

[Features]
· Since the outer surface of copper tube is crimped to the inner surface of ring, the threading and welding are unnecessary.
· You can make a reliable connection just by tightening the cat not alone.
· Special tools, fire, adhesives, and others are unnecessary.
· You can remove and re-mount easily even after usage for storage, inspections or piping.
· Excellent corrosion resistance even when exposed to external atmosphere thanks to nickel plating of outer surfaces.
· Beautiful appearance produces aesthetic effect.

Starting from^∗ ：	5.17 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Elbow Half Union-Type, Ring Joint

FUJIKIN

Connection made by crimping the inner surface of the ring to the outer surface of the copper tube, eliminating the need for thread cutting or welding. Simply tighten the cap nut to connect.

Starting from^∗ ：	12.65 €
Min. Shipping Days ：	8 Days

*Unit price with basic configuration

Elbow Union Type, Ring Joint

FUJIKIN

Connection is performed via crimping of the copper tubing exterior to the inner surface of the ring, so neither threading nor brazing welding are required. Connection can be performed simply by tightening the cap nut.

Starting from^∗ ：	15.86 €
Min. Shipping Days ：	12 Days

*Unit price with basic configuration

Straight Union Type, Ring Joint

FUJIKIN

Connection made by crimping the inner surface of the ring to the outer surface of the copper tube, eliminating the need for thread cutting or welding. Simply tighten the cap nut to connect.

Volume Discount

Starting from^∗ ：	10.38 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Tee Union Type Ring Joint

FUJIKIN

Volume Discount

Starting from^∗ ：	23.22 €
Min. Shipping Days ：	11 Days

*Unit price with basic configuration

Powerful Lock Gauge Union, Rc Thread, Dual Compression Ring Type, Brass

FUJIKIN

[Features]
· A flareless type that can be connected by simply inserting the tube and tightening the nut — no special flare tools or brazing are required.
· The tube is compressed firmly by the effective plastic deformation of the rings. This is achieved by the interaction of the unique double rings, which produce a very strong resistance to pressure.
· The sealed parts of the main body are carefully finished to ensure high air-tightness despite using metal seals.
· Low tightening torque, small, and lightweight for easy attaching/removal.
· Tube sizes are displayed on the nut for easy visible size checking.

Starting from^∗ ：	10.72 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Made of Brass, Double Compression Ring, Powerful Lock (R Screw Elbow Half Union),

FUJIKIN

Due to flareless design, connection is possible by simply inserting a tube and tightening the nut. No special flare tools or flame required.

Starting from^∗ ：	15.36 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Made of Brass, Double Compression Ring, Powerful Lock (R Screw Tee L Union)

FUJIKIN

Due to flareless design, connection is possible by simply inserting a tube and tightening the nut. No special flare tools or flame required.

Starting from^∗ ：	28.34 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Powerful Lock Half-Union, Dual Compression Ring Type, Brass

FUJIKIN

Starting from^∗ ：	6.36 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Brass 2 Compression Ring Type Powerful Lock (Plug Union)

FUJIKIN

The flareless type can be connected only by inserting a tube and tightening the nut with no need for special flare tools or fire.

Starting from^∗ ：	5.03 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Type
Material
Applicable Pipe Type
Applicable Fluid
Connection Type
Connection Shape
Fitting type
Applicable Tube Size Type
Nominal A 1
Nominal B 1
Material of Applicable Pipe
Nominal 1(mm)
Nominal 1(inch)
Applicable Pipe O.D. 1(mm)
Connection Thread Type
Nominal A 2 [In case of different diameters]
Thread Nominal
Nominal B 2 [In case of different diameters]
Max. Operating Pressure(MPa)
Nominal 2 [In the case of different diameters](mm)
Surface Treatment
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)
Types of Related components


Brand	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN	FUJIKIN
Product Series	Half-Union Ring Joints	Elbow Half Union-Type, Ring Joint	Elbow Union Type, Ring Joint	Straight Union Type, Ring Joint	Tee Union Type Ring Joint	Powerful Lock Gauge Union, Rc Thread, Dual Compression Ring Type, Brass	Made of Brass, Double Compression Ring, Powerful Lock (R Screw Elbow Half Union),	Made of Brass, Double Compression Ring, Powerful Lock (R Screw Tee L Union)	Powerful Lock Half-Union, Dual Compression Ring Type, Brass	Brass 2 Compression Ring Type Powerful Lock (Plug Union)
Starting from^∗	5.17 € *Unit price with basic configuration	12.65 € *Unit price with basic configuration	15.86 € *Unit price with basic configuration	10.38 € *Unit price with basic configuration Volume Discount	23.22 € *Unit price with basic configuration Volume Discount	10.72 € *Unit price with basic configuration	15.36 € *Unit price with basic configuration	28.34 € *Unit price with basic configuration	6.36 € *Unit price with basic configuration	5.03 € *Unit price with basic configuration
Min. Shipping Days ：	6 Days	8 Days	12 Days	6 Days	11 Days	7 Days	7 Days	7 Days	6 Days	7 Days
Type	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Related Components
Material	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	-
Applicable Pipe Type	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	-
Applicable Fluid	Water / Air / Steam / Gas / Oil	Water / Air / Steam / Gas / Oil	Water / Air / Steam / Gas / Oil	Water / Air / Steam / Gas / Oil	Water / Air / Steam / Gas / Oil	Water / Air / Steam / Gas / Chemical / Oil	Water / Air / Steam / Gas / Chemical / Oil	Water / Air / Steam / Gas / Chemical / Oil	Water / Air / Steam / Gas / Chemical / Oil	-
Connection Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, Socket Type	Pipe-to-Pipe, Equal Diameter, Socket Type	Pipe-to-Pipe, Equal Diameter, Socket Type	Pipe-to-Pipe, Equal Diameter, Socket Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, Socket Type	-
Connection Shape	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	Elbow	Elbow	Straight Pipe-to-Screw (Union/Socket/Reducer, etc.)	Tee	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	Elbow	Tee	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	-
Fitting type	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	-
Applicable Tube Size Type	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size / Copper Pipe inch size	-
Nominal A 1	-	-	-	-	-	-	-	-	-	-
Nominal B 1	-	-	-	-	-	-	-	-	-	-
Material of Applicable Pipe	Copper	Copper	Copper	Copper	Copper	Copper	Copper	Copper	Copper	-
Nominal 1(mm)	6 ～ 12	6 ～ 12	6	6 ～ 12	8 ～ 12	3	3 ～ 10	3	3 ～ 10	-
Nominal 1(inch)	-	-	-	-	-	-	-	-	3/8	-
Applicable Pipe O.D. 1(mm)	6 ～ 12	6 ～ 12	6	6 ～ 12	8 ～ 12	3	3 ～ 10	3	3 ～ 10	-
Connection Thread Type	R	R	-	-	-	Rc	R	R	R	-
Nominal A 2 [In case of different diameters]	-	-	-	-	-	-	-	-	-	-
Thread Nominal	1/8B(6A) / 1/4B(8A) / 3/8B(10A) / 1/2B(15A)	1/8B(6A) / 1/4B(8A) / 3/8B(10A)	-	-	-	1/8B(6A) / 1/4B(8A)	1/4B(8A)	1/8B(6A)	1/8B(6A) / 1/4B(8A) / 3/8B(10A)	-
Nominal B 2 [In case of different diameters]	-	-	-	-	-	-	-	-	-	-
Max. Operating Pressure(MPa)	1.96 ～ 4.9	1.96 ～ 4.9	4.9	1.96 ～ 4.9	1.96 ～ 2.94	4.9	4.9	4.9	4.9	-
Nominal 2 [In the case of different diameters](mm)	-	-	-	-	-	-	-	-	-	-
Surface Treatment	Nickel Plating	Nickel Plating	Nickel Plating	Nickel Plating	Nickel Plating	Not Provided	Not Provided	Not Provided	Not Provided	-
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)	2.0Mpa or Less / More than 2.0MPa	2.0Mpa or Less / More than 2.0MPa	More than 2.0MPa	2.0Mpa or Less / More than 2.0MPa	2.0Mpa or Less / More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	-
Types of Related components	-	-	-	-	-	-	-	-	-	Plug

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Narrow search by specifying spec./dim.

Type
- Fitting
- Related Components
Clear

Material
- Steel
- Brass
- Stainless Steel
- Copper
- Bronze
Clear

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

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

Connection Type
- Pipe-to-Pipe, Equal Diameter, Socket Type
- Pipe-to-Pipe, Equal Diameter, Weld Type
- Pipe-to-Pipe, Reducing, Socket Type
- Pipe-to-Pipe, Reducing, Weld Type
- Pipe-to-Thread, Socket Type
- Pipe-to-Thread, Weld Type
Clear

Fitting type
- Ring Fitting
- Flare Fittings
- Sleeve-type fittings
- Bite type Fittings
- Mechanical Joint
- Welding joint
- Special Purpose Fitting
Clear

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

Nominal A 1
6

8

10

13

15

20

25

30

32

40

50

65

80
Drawing

Clear

Nominal B 1
1

1 1/2

1 1/4

1/2

1/4

1/8

2

2 1/2

3

3/4

3/8

5/8
Drawing

Clear

Material of Applicable Pipe
- Steel
- Copper
- Stainless Steel
- PVC
- Polyethylene
- Polybutene
- Other Resins
Clear

Nominal 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

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

22.23

25

27.2

28

28.58

30

32

34

34.92

35

38

40

41.28

42

42.7

48.6

50

53.98

60.5

66.68

76.30

79.38

89.10
Drawing

Clear

Connection Thread Type
- R
- Rc
- G (Threaded)
- G (Tapped)
- Rp
Clear

Nominal A 2 [In case of different diameters]
6

8

10

15

20
Drawing

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 B 2 [In case of different diameters]
1/2

1/4

1/8

3/4

3/8
Drawing

Clear

Max. Operating Pressure(MPa)
0.1

0.6

1.0

1.75

1.96

2.94

3

3.45

3.5

4.9

6.86

7

13.7

14

15

20.69

21

28

31

40

50
Clear

Nominal 2 [In the case of different diameters](mm)
4

6

8

10

12

15

16

18

20

22

25

28

30
Drawing

Clear

Surface Treatment
- Not Provided
- Trivalent Chromate
- Zinc Plating
- Epoxy Resin
- Nickel Plating
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
- 2.0Mpa or Less
- More than 2.0MPa
Clear

Types of Related components
- Sleeve
- Insert Ring
- Ring
- Cap
- Nut
- Plug
- Mounting Fitting
- Gasket seal
- Air Bleeding Valve
- Heat-Retention Material
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FUJIKIN Fittings for Steel Pipes and Copper Pipes

Narrow search by specifying Connection Shape

Filter by:

Narrow search by specifying spec./dim.

Type

Material

Applicable Pipe Type

Applicable Fluid

Connection Type

Fitting type

Applicable Tube Size Type

Nominal A 1

Nominal B 1

Material of Applicable Pipe

Nominal 1(mm)

Nominal 1(inch)

Applicable Pipe O.D. 1(mm)

Connection Thread Type

Nominal A 2 [In case of different diameters]

Thread Nominal

Nominal B 2 [In case of different diameters]

Max. Operating Pressure(MPa)

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

Surface Treatment

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)

Types of Related components

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