EN / UK

Type Code Seach | *NOT READY*: #CODE

Keyword suggestions

Part number suggestions

Discontinued Products

KOYO Fittings for Steel Pipes and Copper Pipes（Thread Nominal：1/4B(8A)）

Narrow search by specifying Connection Shape

Straight Pipe-to-Screw (Union/Socket/Reducer, etc.)
Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)
Elbow
Tee

Data to be displayed: 30; 45; 60

Sort by:

?* Information on days to ship and prices

Ring Joint Male Thread Connector

KOYO

[Features]
· The product consists of the main body, ring and ring nut. Since it can be built by cutting the steel pipe with a pipe cutter, without machining, work efficiency is guaranteed.
· Moreover, it can be connected with annealed copper pipes and various tubes using a pin (insert ring) as well.

Volume Discount

Starting from^∗ ：	4.23 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

Rink Joint Thread Connector

KOYO

Uses cadmium-free brass material.

Volume Discount

Starting from^∗ ：	6.10 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

Ring Joint Male Thread Elbow Connector

KOYO

Volume Discount

Starting from^∗ ：	8.47 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

Ring Joint Thread Connector (G Thread Specifications)

KOYO

Uses cadmium-free brass material.

Starting from^∗ ：	6.55 €
Min. Shipping Days ：	24 Days

*Unit price with basic configuration

Ring Joints Thread Run Tee

KOYO

[Features] Ring fitting made of cadmium-free brass.

Starting from^∗ ：	15.89 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

Koyo System Fittings Threaded Connector

KOYO

Uses cadmium-free brass material.

Volume Discount

Starting from^∗ ：	5.59 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

Koyo System Fitting Thread Branch Tee

KOYO

[Features] Pressure expansion fitting made of cadmium-free brass.

Starting from^∗ ：	18.62 €
Min. Shipping Days ：	Same day

*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	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO
Product Series	Ring Joint Male Thread Connector	Rink Joint Thread Connector	Ring Joint Male Thread Elbow Connector	Ring Joint Thread Connector (G Thread Specifications)	Ring Joints Thread Run Tee	Koyo System Fittings Threaded Connector	Koyo System Fitting Thread Branch Tee
Starting from^∗	4.23 € *Unit price with basic configuration Volume Discount	6.10 € *Unit price with basic configuration Volume Discount	8.47 € *Unit price with basic configuration Volume Discount	6.55 € *Unit price with basic configuration	15.89 € *Unit price with basic configuration	5.59 € *Unit price with basic configuration Volume Discount	18.62 € *Unit price with basic configuration
Min. Shipping Days ：	5 Days	5 Days	5 Days	24 Days	5 Days	5 Days	Same day
Type	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Material	Brass	Brass	Brass	Brass	Brass	Brass	Brass
Applicable Pipe Type	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)
Applicable Fluid	Air	Air	Air	Air	Air	Air	Air
Connection Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, Socket Type	Pipe-to-Thread, 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.)	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	Elbow	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	Tee	Straight Pipe-to-Screw (Union/Socket/Adapter/Connector, etc.)	Tee
Fitting type	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Flare Fittings	Flare Fittings
Applicable Tube Size Type	Copper Pipe mm size / Copper Pipe inch size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe inch size	Copper Pipe mm size
Nominal A 1	-	-	-	-	-	-	-
Nominal B 1	-	-	-	-	-	-	-
Material of Applicable Pipe	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper	Copper
Nominal 1(mm)	6 ～ 10	6 ～ 8	6 ～ 10	6	6	-	8
Nominal 1(inch)	1/4 ～ 3/8	-	-	-	-	1/4	-
Applicable Pipe O.D. 1(mm)	3.18 ～ 10	6 ～ 8	6 ～ 10	6	6	6.35	8
Connection Thread Type	R	Rc	R	G (Threaded)	R	R	Rc
Nominal A 2 [In case of different diameters]	-	-	-	-	-	-	-
Thread Nominal	1/4B(8A)	1/4B(8A)	1/4B(8A)	1/4B(8A)	1/4B(8A)	1/4B(8A)	1/4B(8A)
Nominal B 2 [In case of different diameters]	-	-	-	-	-	-	-
Max. Operating Pressure(MPa)	7	7	7	7	7	7	7
Nominal 2 [In the case of different diameters](mm)	-	-	-	-	-	-	-
Surface Treatment	Not Provided	Not Provided	Not Provided	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)	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa	More than 2.0MPa
Types of Related components	-	-	-	-	-	-	-

Filter by:

Stock

- Stock Items Included
Clear

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)
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)
0.6

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
Clear

Narrow search by specifying Brand

- MISUMI (12)
- Cost Efficient Products ()
- IHARA SCIENCE (18)
- FUJI SPECIAL (16)
- ASOH (11)
- KOYO (7)
- MIYAKO (7)
- FUJIKIN (5)
- CHIYODA TSUSHO (3)
- KITZ (1)
- SANKOMS (1)
- ATOMS (0)
- CK_KINZOKU (0)
- ONDA MFG (0)
- INABADENKI (0)
- RIKEN (0)
- PREVOST (0)
- ESCO (0)
- HITACHI KINZOKU (0)
Clear

Narrow search by specifying CAD data type

- 2D
- 3D
Clear

Narrow search by specifying lead time

All

Same day

5 Days or Less

6 Days or Less

7 Days or Less

8 Days or Less

9 Days or Less

10 Days or Less

11 Days or Less

12 Days or Less

13 Days or Less
Clear

KOYO Fittings for Steel Pipes and Copper Pipes（Thread Nominal：1/4B(8A)）

Narrow search by specifying Connection Shape

Ring Joint Male Thread Connector

Rink Joint Thread Connector

Ring Joint Male Thread Elbow Connector

Ring Joint Thread Connector (G Thread Specifications)

Ring Joints Thread Run Tee

Koyo System Fittings Threaded Connector

Koyo System Fitting Thread Branch Tee

Filter by:

Stock

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

Narrow search by specifying Brand

Narrow search by specifying CAD data type

Narrow search by specifying lead time

Examples how you can use these components Test

Categories related to Fittings for Steel Pipes and Copper Pipes

Payment Method

On-Demand Manufacturing

Change View

Certificates

MISUMI worldwide

Social Media

Legal notice