Plugs fit inside a threaded pipe fitting to close off a hydraulic or pneumatic system. Distinguished from Caps, which fit on the outside rather than the inside.

  • Often used on systems that require maintenance, such as draining fluids or gases.
  • Stocked in malleable iron, forged steel, and both cast and forged stainless.

Sizes are Nominal Pipe Size (NPS) - size chart
Pipe Fittings Plugs