4" Standard Rigid Grooved Coupling - 34.5 Bar
Cast iron couplings with EPDM seals for grooved steel pipe systems
Pattern 774 couplings provide a rigid joint - gripping around the full diameter of the pipe and giving a pressure rating of 34.5 bar.
Grooved system fittings are faster to install, require no special tooling and are an economical alternative to welded or threaded steel systems. All fittings are backed by a manufacturers10 year warranty