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)