Koyo Fittings for Steel & Copper Pipes（Types of Related components：Ring）

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