• 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)
• All housings, gaskets and bolts identified by SCI logo
• Gasket Grade E - EPDM (green stripe) -30˚F (-34˚C) to +230˚F (+110˚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
74-CL & 74-SL Gruvlok Rigid Coupling
7401-2 Gruvlok RigidLOK Coupling
COOPLOK High Pressure Rigid Coupling with “C” Gasket
COOPLOK Lightweight Rigid Coupling with “C” Gasket
Standard Weight Rigid Coupling with “C” Gasket
COOPLOK Reducing Coupling
7401SS Stainless Steel Rigid Coupling
74 SlideLOK® Ready for Installation Coupling
472 Stainless Steel Rigid Coupling
7400 Rigidlite® Coupling
65SR 66SR 65SRTRI and 66SRTRI Standard Rigid Couplings Submittal