Lock Nuts

• Class 150 pipe fittings are UL Listed and FM Approved at 300 psi
• Class 300 pipe fittings are UL Listed
• Hot-dipped galvanized pipe fittings are certified to; NSF/ANSI 61-4 & California AB1953 Lead Free
• Malleable castings conform to ASTM A197, ASME B16.3, ASME B16.14 & ASME B16.39
• Hot-dipped galvanized fittings conform to ASTM A153
• NPT threads on all pipe fittings conform to ASME B1.20.1

*Manufacturing facilities are ISO 9001:2008 & ISO 14001. Independent lab verification: fittings meet applicable chemical & physical properties. Fittings are 100% air tested. Canadian Registration Numbers (CRN) available