Hex Head Plug Cast Iron 4 in Class 150

Hex Head Plug 4 in Nominal Pipe Size Cast Iron Class Class 150 300 psi @ 150 Degrees F Maximum Operating Pressure 150 psi @ 350 Degrees F Max Steam Pressure -20 Degrees to 150 Degrees F Plug Construction Solid Includes Pre-Applied Thread Sealant No Includes Seal No Black