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NAC – AL TYPE 20 (Universal purpose couplings)

Made in Japan

Manufacturer : NAGAHORI INDUSTRY CO., LTD.

Model : 21SH, 21SM, 21SF, 21SA, 22SH, 22SM, 22SF ,22SA, 23SB, 23SH, 23SM, 32SF ,23SA, 24SB, 24SH, 24SM, 34SF ,24SA

Low Pressure, Single valve Type

  • Widely used and accepted couplings for air line connection.
  • Socket have automatic shut-off valve so that fluid in the socket will not run out on disconnection.
  • Important steel parts are hardened for high durability.

Note:

  • Types 20 ( 21, 22, 23 and 24 types ) are interchangeable and types 40 are the same, but not interchangeable between 20 and 40.
  • Packing materials should be selected for the applicable fluid.

Caution:

  • Fluid should flow from socket to plug; in the opposite use, Please advise as “W TYPE”.
  • Scraps of the seal tape and dust causes fluid leakage. Be careful not to stick them to the couplings.
  • Do not impact, hit, pull or bent. Don’t dismantle. It causes damage to the coupling.
  • Specification

    Model
    21
    22
    23
    24
    Nominal size
    1/8″
    1/4″
    3/8″
    1/2″
    Nominal pipe size (mm)
    6
    8
    10
    15
    Body material
    Steel (Chrome-plated), Brass,
    Stainless steel (SUS304, SUS303)
    Connection
    Female thread (F), Male thread (M),
    Hose nipple (H), Polyurethane coil tube connection (A,B)
    Packing
    material
    Standard
    Nitrile rubber (NBR)
    Option
    Fluororubber (FKM)
    Normal pressure,
    Max. pressure
    Steel,
    Stainless steel
    Normal pressure 1.5MPa, Max. pressure 2.0MPa
    Brass
    Normal pressure 1.0MPa, Max. pressure 1.5MPa
    Applicable fluid
    Steel
    Air, Oil, etc.
    Brass,
    Stainless steel
    Air, Water, etc.
  • SUS303’s good is discontinuing. Please inquire about the latest stock..

Flow’s smallest area

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