Ductile iron grooved couplings and fittings
1) Super quality and competitive price
2) Heavy type and general type couplings and fittings
3) Ductile iron ASTM 536 GRADE 65-45-12
4) Finish: Paint epoxy powder and so on.
5) Color: Red
6) Rated working pressuer:300psi(2.07Mpa)
grooved fittings




