Black iron pipe construction for use with gas Protects against destructive effect of galvanic and stray current corrosion For residential, commercial and industrial applications Supplied with GA gaskets suitable for water, air, oil, natural gas, gasoline, propane, kerosene, mineral oil and alkalies Rated to 210??F at 250 psi conforming to ANSI B16.39 Pipe threads are in accordance with ANSI B2.1