• Maximum working pressure 300 psi (20.7 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)
• Other gasket materials available by special order
• 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
COOPLOK Grooved Submittal - 65RC 66RC - Reducing Coupling - 2017
7401 RigidLOK® Coupling
74 SlideLOK® Ready for Installation Coupling
COOPLOK Lightweight Rigid Coupling with Triple Seal Gasket
7401SS Stainless Steel Rigid Coupling
COOPLOK High Pressure Rigid Coupling with “C” Gasket
7400 Rigidlite® Coupling
64 CTS SlideLOK® Ready for Installation Coupling
770 Rigid Coupling
472 Stainless Steel Rigid Coupling
Standard Weight Rigid Coupling with “C” Gasket