Steel Square Head Plug Fittings

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Our selection of male npt square head plug fittings are available in north american pipe sizes ranging from 1/8 up to 2 inches. These quality pipe, tank, manifold plug fittings are reusable and can be used for applications involving pneumatics, vacuum, and general fluid handling. Our steel fittings are an economical and durable solution to your piping and plumbing needs. Our square head plugs are widely used in industrial manufacturing applications and corrosion resistance is desired. Additional usage for other types of fluid transfer and handling non potable water, air and fuel.

Square head plug fittings are made with high quality steel and are perfect for industrial, construction, trucking and transportation, factory automation.

  • WORKING TEMPERATURE RANGE -65 F to 250 F
  • WORKING TEMPERATURE RANGE -53 C to 121 C
  • MAXIMUM WORKING PRESSURE (PSI)  5000 ( 1/8 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  5000 ( 1/4 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  4000 ( 3/8 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  3000 ( 1/2 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  2500 ( 3/4 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  2000 ( 1 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  1150 ( 1-1/4 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  1000 ( 1-1/2 THREAD)
  • MAXIMUM WORKING PRESSURE (PSI)  1000 ( 2 THREAD)
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