Straight Couplings with Ribs

Technical Specifications Sizing, Dimensions & Pressure Ratings

• Ductile iron threaded pipe fittings are UL Listed and FM Approved at 500 psi
• Rated to 300 WSP. Pipe fittings are 100% air tested.
• Castings conform to ASTM A536
• Pipe fitting dimensions conform to ASME B16.3
• Bushings and plugs conform to ASME B16.14
• NPT threads on all fittings conform to ASME B1.20.1
• Independent lab verification that fittings meet applicable chemical & physical properties
• Manufacturing facilities are ISO 9001:2008 and ISO 14001