Class 300 black malleable union fittings are UL listed. 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)
Class 300 black malleable union fittings are UL listed. NPT threads conform to ASME B1.20.1. Conforms to ASTM A197, ASME B16.39 and ASME B16.3.
Product Manual (PDF Download)