Class 150 black malleable union fittings with brass seat are UL listed and FM approved at 300 PSI. NPT threads conform to ASME B1.20.1. Conforms to ASTM A197, ASME B16.39 and ASME B16.3.
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Product Manual (PDF Download)
Service Metal Series SBU Class 150 Black Malleable Iron 1 in. Unions
Class 150 black malleable union fittings with brass seat are UL listed and FM approved at 300 PSI. NPT threads conform to ASME B1.20.1. Conforms to ASTM A197, ASME B16.39 and ASME B16.3.
Product Manual (PDF Download)
