• Maximum working pressure up to 1000 psi depending on coupling size and schedule of pipe
• All housings, gaskets and bolts identified by SCI logo
• 100% magnetic particle inspection of each bolt
• Each bolt has a minimum tensile strength of 110,000 psi
• Gasket Grade T - Nitrile (double orange stripe) -20˚F (-29˚C) to +180˚F (+82˚C)
• Ductile iron housings conform to ASTM A-536 Grade 65-45-12
• Groove dimensions to AWWA C-606
• Finish: Orange enamel paint

7401SS Stainless Steel Rigid Coupling
770 Rigid Coupling
74-CL & 74-SL Gruvlok Rigid Coupling
64 CTS SlideLOK® Ready for Installation Coupling
COOPLOK Standard Weight Rigid Coupling with Triple Seal Gasket
COOPLOK Lightweight Rigid Coupling with Triple Seal Gasket
COOPLOK Lightweight Rigid Coupling with “C” Gasket
Standard Weight Rigid Coupling with “C” Gasket
7401-2 Gruvlok RigidLOK Coupling
7400 Rigidlite® Coupling