Rigid and flexible coupling, FM&UL approved,Convenient and reliable joint, Fire protection

Rigid and flexible coupling, grooved fittings similar to Victaulic onesFM&UL approvedMaterial: ductile cast-iron ASTM-A536 Surface can be coated with epoxy powder, hot dip zinc or ordinary paint Flexible and rigid Joint reliability Isolates noise and vibration Convenient joint Applications: Fire protectionPower plant: heating, ventilation and air conditioning Industrial plant: water treatment, plumbing and mining