About Grooved Coupling
DPL Grooved Couplings provides better rigid connections for valves, fire mains, long straight runs etc.
Coupling Housings are made of Ductile Iron confirming to ASTM A 536 with rated working pressure up to 20 Bar / 300 PSI.
BPDM rubber Gaskets are suitable for installations with service temperature of -34C to 105C I -30F to 221F.
Couplings are supplied with Red painted RAL 3000 as standard Other RAL colours or Galvanised finish is available upon request.