1G Galvanised Rigid Grooved Coupling
HDG galvanised body in ductile iron with an EPDM rubber seal
FM (Factory Mutual), UL (Underwriters Laboratories), LPC (Loss Prevention Council) & VdS certified
A thin layer or grooved lubricant should be applied to prevent gasket pinching
Rigid coupling does not allow for pipe movement, similar to a threaded or welded joint
Grooved piping system allows for quick installation requiring no special tooling or hot working