Round Cap, 4 in Nominal Pipe Size, Malleable Iron, Galvanized, Class Class 150, Female NPT, 300 psi @ 150 Degrees F Maximum Operating Pressure, 150 psi @ 350 Degrees F Max. Steam Pressure, -20 Degrees to 350 Degrees F, Plug Construction Solid, Includes Pre-Applied Thread Sealant No, Includes Seal No For low-pressure plumbing applications including air, water, natural gas, and steam.
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