Specifications - Manufactured, tested and certified in accordance with ASME 3A-105N & ASTM A105N Normalized - Canadian Registration Numbers (CRN) available Certifications - NPT threads on forged steel fittings conform to ASME B1.20.1 - Forged carbon steel socket weld inserts conform to MSS-SP-79 - Forged carbon steel unions conform to MSS-SP-83 - Manufacturing facility is ISO 9001:2008 Downloads Technical Information (PDF Download)