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Hex Head Plugs

Hex Head Plugs

Hex Head Plug - 150# Cast NPT Threaded Pipe Fittings

Class 150 stainless steel 304 & 316 cast pipe fitting hex head plugs. Features male National Pipe Taper (NPT) threads for closing the end of a female threaded pipe. Plugs insert into female pipes or fittings and connects with NPT threads, which create a tighter seal than straight threads. The hexagonal head allows for increased leverage and use with a wrench during installation and disassembly.

  • Use with air, water, oil, natural gas, steam
  • NPT and FNPT threads conform to ASME B1.20.1
  • Maximum Pressure: 300 psi @ 72° F; 150 psi @ 366°F for steam
  • Maximum Steam Pressure: 150 psi
  • Stainless castings conform to ASTM A351 ACI Grade CF8 (304) & ACI Grade CF8M (316)
  • Manufacturing facility is ISO 9001:2008
  • Quality guarantee on all pipe fittings