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BK Products 1/8-in FIP Black Iron Cap

BK Products

Caps are a great way to secure the end of a piping system. General uses for this product are for transporting lubricant, oil, grease, LP gases & fuel or to create your own DIY projects. This fitting is not designed for potable water applications.


  • Generally used for lubricant, oil, grease, liquefied petroleum (LP) gas, natural gases (nitrogen, oxygen, etc.), steam and diesel
  • 150-lb class malleable fittings
  • Relative softness of metal helps provide a sure seal
  • This fitting works up to 500 PSI at 150°F
  • Threaded ends comply with ANSI/ASME B1.20.1 standards
  • Meet ASTM and ASME standards

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