• Maximum working pressure 500 psi (34.5 bar) 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 E - EPDM (green stripe) -30˚F (-34˚C) to +230˚F (+110˚C)
• Gasket Grade T - Nitrile (orange stripe) -20˚F (-29˚C) to +180˚F (+82˚C)
• Gasket Grade O - Fluoroelastomer (blue stripe) +20°F (-6°C) to +300°F (+149°C)
• Ductile iron housings conform to ASTM A-536 Grade 65-45-12
• Groove dimensions to AWWA C-606
• Finishes:
- Orange enamel paint
- Hot dipped galvanized conforming to ASTM A-153
65LR 66LR COOPLOK Lightweight Rigid Coupling C Gasket Submittal
7401 RigidLOK® Coupling
74-CL & 74-SL Gruvlok Rigid Coupling
COOPLOK Standard Weight Rigid Coupling with Triple Seal Gasket
7401-2 Gruvlok RigidLOK Coupling
COOPLOK Lightweight Rigid Coupling with Triple Seal Gasket
Standard Weight Rigid Coupling with “C” Gasket
7401SS Stainless Steel Rigid Coupling
COOPLOK High Pressure Rigid Coupling with “C” Gasket
472 Stainless Steel Rigid Coupling
770 Rigid Coupling