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Hex Head Caps

Hex Head Caps

Pipe Fittings - Hex Head Caps - 316 Stainless Steel 150# Cast NPT Threaded

Hex Head Caps - 150# Cast NPT Threaded Pipe Fittings

Class 150 hex head caps are stainless steel 304 or 316 cast pipe fitting with female National Pipe Taper (NPT) threads for stopping flow. These hex head caps have NPT threads for creating tighter seals than straight threads.

  • 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