KOYO Screw Fittings, Screw-In Type Flanges（Connection Type：Thread (Terminal)）

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• Type

  • Fitting
  • Related Components

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• Connection Type

  • Thread-to-Thread, Equal Diameter / Same Type
  • Thread-to-Thread, Equal Diameter / Different Type
  • Thread-to-Thread, Reducing
  • Thread-to-Steel Pipe
  • Thread (Terminal)
  • Thread-to-Flange

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• Connecting Shape

  • Elbow
  • Street Elbow
  • 3-Directions Elbow
  • Male, Female Union
  • Nipple
  • Sockets
  • Flange
  • Tees
  • Cross
  • Bushings/Male Female Socket
  • Cap
  • Plug
  • Y
  • Syphon Pipe / Crossover Pipe
  • Others
  • Male, Female Union
  • Terminal Full Thread

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• Material

  • Stainless Steel
  • Steel
  • Brass
  • Aluminum
  • Resin
  • Bronze
  • Cast Iron

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• Thread Nominal M1

  • 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)
  • 4B(100A)
  • 5B(125A)
  • 6B(150A)
  • 1/4-28
  • M5
  • M6×P1.0
  • 1/16

  Drawing

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• Thread Nominal M2

  • 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)
  • 4B(100A)
  • 5B(125A)
  • 6B(150A)
  • M5

  Drawing

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• Connection Thread Type M1

  • R
  • Rc
  • PJ
  • Rp
  • NPT (Male thread)
  • NPT (Female thread)
  • G (Threaded)
  • G (Tapped)
  • M (Male Thread)
  • M (Female Thread)
  • UNF (External Thread)

  Drawing

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• Connection Thread Type M2

  • R
  • Rc
  • RJ
  • Rp
  • NPT (Male thread)
  • NPT (Female thread)
  • G (Threaded)
  • G (Tapped)
  • M (Male Thread)
  • M (Female Thread)

  Drawing

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• Types of Screw 3 (When Different Dia. or Different Type Screw)

  • R
  • Rc
  • G (Threaded)
  • G (Tapped)

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• Max. Operating Pressure(MPa)

  • 0.35
  • 0.69
  • 0.7
  • 0.8
  • 1
  • 1.37
  • 1.39
  • 1.4
  • 1.65
  • 1.75
  • 2
  • 2.5
  • 3.45
  • 6.9
  • 7
  • 12
  • 13.8
  • 14
  • 20.6
  • 21
  • 175
  • 180
  • 220
  • 250
  • 320

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• Nominal of Thread 3(Different Diameters or Different Type Screw)

  • 1 1/2B(40A)
  • 1 1/4B(32A)
  • 1/2B(15A)
  • 1/4B(8A)
  • 1/8B(6A)
  • 1B(25A)
  • 2 1/2B(65A)
  • 2B(50A)
  • 3/4B(20A)
  • 3/8B(10A)
  • 3B(80A)
  • 4B(100A)
  • 5B(125A)
  • 6B(150A)

  Nominal of Thread 1>2>3>4

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• Applicable Fluid

  • Water
  • Air
  • Steam
  • Gas
  • Chemical
  • Oil
  • Not specified by Manufacturer

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• Types of Screw 4 (When Different Dia. or Different Type Screw)

  • Rc

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• Surface Treatment

  • Not Provided
  • Trivalent Chromate
  • Chrome Plating
  • Nickel Plating
  • Zinc Plating
  • Black Oxide
  • Coating
  • Resin Coating
  • Polishing
  • Others
  • Zinc Electroplating

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• Nominal of Thread 4(Different Diameters or Different Type Screw)

  • 1 1/2B(40A)
  • 1 1/4B(32A)
  • 1/2B(15A)
  • 1B(25A)
  • 2B(50A)
  • 3/4B(20A)

  Nominal of Thread 1>2>3>4

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• Divisions of Max. Operating Pressure

  • 1.0Mpa or Less
  • 2.0Mpa or Less
  • More than 2.0MPa

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• Types of Related components

  • Valve
  • Nut
  • Hex Wrench

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• Interior Resin Lining

  • Presence
  • No

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