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KOYO Fittings for Steel Pipes and Copper Pipes（Applicable Tube Size Type：Copper Pipe mm size）

KOYO offers products Fittings for Steel Pipes and Copper Pipes specified by Applicable Tube Size Type Copper Pipe mm size from Automation Components product category. There are a total of 13 items. Search and select detailed specifications of parts for your machine with free CAD downloads. KOYO products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

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

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

Connection Type
- Pipe⇔Pipe, same diameters, plug-in type
- Pipe⇔Pipe, same diameters, welding type
- Pipe⇔Pipe, different diameters, plug-in type
- Pipe⇔Pipe, different diameters, welding type
- Pipe⇔Screw, plug-in type
- Pipe⇔Screw, welding type
Clear

Type
- Fitting
- Related Products
- Straight
- Elbow
Clear

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

Max. Operating Pressure(MPa)
1

1.75

1.96

2.94

3

3.43

3.45

3.5

4

4.9

5

6.86

7

10

13.7

14

15

18.04

20.69

21

28

31

40

50
Clear

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

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

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

3/16

5/8

5/16

7/8
Drawing

Clear

Applicable Pipe O.D. 1(mm)
3

3.18

4

4.77

5

6

6.35

7.94

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

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

Nominal A 2 [In case of different diameters]
6

8

10

15

20
Drawing

Clear

Nominal of Thread
- 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

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
- than 2.0Mpa
- 2.0～7.0MPa
Clear

Types of Related components
- Sleeve
- Insert Ring
- Ring
- Cap
- Nut
- Plug
- Mounting Fitting
- Gasket seal
- Air Bleeding Valve
- Tools and Jigs
Clear

Connection Shape	Straight Pipe⇔Screw(Union/Socket/Reducer.etc) Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc) Elbow Tee
Brand	(0) (0) ASOH (19) BENKANJAPAN (0) CHIYODA (3) CK KINZOKU (0) ESCO (0) FUJI SPECIAL (17) FUJIKIN (15) GUNKYO (2) HITACHI KINZOKU (0) IHARA SCIENCE (5) INABADENKI (0) KITZ (1) KOYO (13) MIYAKO (10) ONDASEISAKUSYO (0) RIKEN (0) SANKOMS (1) SNL FITTING (5)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 2 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

13 items

Sort By

: 30; 60; 90

Compare

Until 31/03/2025

Ring Joint Male Thread Connector

KOYO

[Features]
· Comprises a main body, ring and ring nut, allowing operations to be done efficiently because work can be carried out without any processing by simply cutting the copper pipe with a pipe cutter.
· Also, if combined with a pin (threaded insert ring), connection to annealed copper pipes and various tubes is possible.

From: ฿ 117.70
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Ring Joint Male Thread Elbow Connector

KOYO

Cadmium-free brass fittings

[Features]
· Comprises a main body, ring and ring nut, allowing operations to be done efficiently because work can be carried out without any processing by simply cutting the copper pipe with a pipe cutter.
· Also, if combined with a pin (threaded insert ring), connection to annealed copper pipes and various tubes is possible.

From: ฿ 225.21
Special Price
Days to Ship: Same day

Same day

Compare

Ring Joint Thread Connector (G Thread Specifications)

KOYO

Uses cadmium-free brass material.

From: ฿ 205.60
Days to Ship: 22 Day(s)

22 Day(s)

Compare

Until 31/03/2025

Ring Joint, Female Thread Connector

KOYO

From: ฿ 151.12
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Ring Joint Union

KOYO

Uses cadmium-free brass material.

From: ฿ 393.27
Special Price
Days to Ship: Same day

Same day

Compare

Koyo System Fittings Threaded Connector

KOYO

Uses cadmium-free brass material.

From: ฿ 350.55
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Ring Joints Thread Run Tee

KOYO

[Features]·Ring joint made of Cadmium-free Brass.

From: ฿ 493.04
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Until 31/03/2025

Ring Joint Thread Elbow Connector

KOYO

Uses cadmium-free brass material.

From: ฿ 313.67
Special Price
Days to Ship: Same day

Same day

Compare

Ring Joint Union Tee

KOYO

Uses cadmium-free brass material.

From: ฿ 528.16
Days to Ship: 22 Day(s)

22 Day(s)

Compare

Ring Joint, Bulkhead Female Thread Connector

KOYO

From: ฿ 561.22
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Push-Expansion Fitting, Male Threaded Elbow Connector

KOYO

[Features]·Flare nut and fitting tip shape compliant with dimensions specified in JIS B 8607 (2002). New refrigerant piping is available for inch-size pipe connections. ·Made of Cadmium-free Brass.

From: ฿ 100.00
Days to Ship: Quote

Quote

Compare

Koyo System Fitting Thread Branch Tee

KOYO

[Features]·Push-expansion type fitting made of Cadmium-free brass.

From: ฿ 587.66
Days to Ship: 22 Day(s)

22 Day(s)

Compare

Swivel Fitting (Ring Type)

KOYO

Cadmium-free brass material is used.

From: ฿ 100.00
Days to Ship: 3 Day(s)

3 Day(s)


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

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO	KOYO
Product Series	Ring Joint Male Thread Connector	Ring Joint Male Thread Elbow Connector	Ring Joint Thread Connector (G Thread Specifications)	Ring Joint, Female Thread Connector	Ring Joint Union	Koyo System Fittings Threaded Connector	Ring Joints Thread Run Tee	Ring Joint Thread Elbow Connector	Ring Joint Union Tee	Ring Joint, Bulkhead Female Thread Connector	Push-Expansion Fitting, Male Threaded Elbow Connector	Koyo System Fitting Thread Branch Tee	Swivel Fitting (Ring Type)
From	฿ 117.70 Special Price On Sale Until 31/03/2025	฿ 225.21 Special Price On Sale Until 31/03/2025	฿ 205.60	฿ 151.12 Special Price On Sale Until 31/03/2025	฿ 393.27 Special Price On Sale Until 31/03/2025	฿ 350.55	฿ 493.04	฿ 313.67 Special Price On Sale Until 31/03/2025	฿ 528.16	฿ 561.22	฿ 100.00	฿ 587.66	฿ 100.00
Days to Ship	Same day	Same day	22 Day(s)	Same day	Same day	3 Day(s)	3 Day(s)	Same day	22 Day(s)	3 Day(s)	Quote	22 Day(s)	3 Day(s)
Applicable Fluid	Air	Air	Air	Air	Air	Air	Air	Air	Air	Air	Air	Air	Air
Material	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass
Connection Type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Pipe, same diameters, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Pipe, same diameters, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type	Pipe⇔Screw, plug-in type
Type	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Material of Applicable Pipe	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper / Stainless Steel	Copper	Copper	Copper
Max. Operating Pressure(MPa)	7	7	7	7	7	7	7	7	7	7	7	7	7
Connection Thread Type	R	R	G (Threaded)	Rc	-	R	R	Rc	-	G (Threaded)	Rc	Rc	R
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 (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (General)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (Annealed Copper Pipe)	Copper Pipe (General)
Connection Shape	Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc)	Elbow	Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc)	Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc)	Straight Pipe⇔Screw(Union/Socket/Reducer.etc)	Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc)	Tee	Elbow	Tee	Straight Pipe⇔Screw(Union/Socket/Adapter/Connector.etc)	Elbow	Tee	Elbow
Fitting type	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Flare Fittings	Ring Fitting	Ring Fitting	Ring Fitting	Ring Fitting	Flare Fittings	Flare Fittings	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 mm size	Copper Pipe mm size	Copper Pipe mm size	Copper Pipe mm size
Nominal A 1	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal B 1	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal 1(mm)	3 ～ 12	5 ～ 12	6	4 ～ 10	10	12	6	6 ～ 10	6 ～ 8	14	10	8	6 ～ 8
Nominal 1(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Applicable Pipe O.D. 1(mm)	3 ～ 12	5 ～ 12	6	4 ～ 10	10	12	6	6 ～ 10	6 ～ 8	14	10	8	6 ～ 8
Nominal A 2 [In case of different diameters]	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal of Thread	1/8B(6A) / 1/4B(8A) / 3/8B(10A) / 1/2B(15A)	1/8B(6A) / 1/4B(8A) / 3/8B(10A) / 1/2B(15A)	1/4B(8A)	1/8B(6A) / 1/4B(8A) / 3/8B(10A)	-	1/2B(15A)	1/4B(8A)	1/8B(6A) / 1/4B(8A)	-	1/2B(15A)	1/4B(8A)	1/4B(8A)	1/8B(6A)
Nominal B 2 [In case of different diameters]	-	-	-	-	-	-	-	-	-	-	-	-	-
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	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)	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
Types of Related components	-	-	-	-	-	-	-	-	-	-	-	-	-