• Maximum working pressure depending on coupling size and schedule of pipe:
- 1" to 6" - 1000 psi (68.9 bar)
- 8" - 800 psi (55.1 bar)
- 10" & 12" - 600 psi (41.3 bar)
- 14" to 20" - 300 psi (20.6 bar)
- 24" - 250 psi (17.2 bar)
• UL Listed & FM Approved – 1" thru 12"
• All housings, gaskets and bolts identified by SCI logo
• 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
65SR 66SR 65SRTRI and 66SRTRI Standard Rigid Couplings Submittal
74-CL & 74-SL Gruvlok Rigid Coupling
COOPLOK Standard Weight Rigid Coupling with Triple Seal Gasket
770 Rigid Coupling
COOPLOK Lightweight Rigid Coupling with Triple Seal Gasket
COOPLOK High Pressure Rigid Coupling with “C” Gasket
472 Stainless Steel Rigid Coupling
7401SS Stainless Steel Rigid Coupling
7400 Rigidlite® Coupling
74 SlideLOK® Ready for Installation Coupling
7401 RigidLOK® Coupling