Ductile iron grooved couplings and fittings offer more quick installation, easier setup and more efficient maintenance to save both time and money. The Cut-Grooving and Roll-Grooving equipments are from Taiwan, with accurate diameter control, easy installation and conveyance.

Our ductile iron grooved couplings and fittings adopt advanced facility and technology from Patter Making, Chemical Composition Analysis, Machining to Painting. The products have been listed by UL and approved by FM.

American standard: ASTM A536