Ductile Iron Universal Stepped Coupling

Ductile Iron Universal Stepped Coupling. Ductile Iron Material: Constructed from high-strength Ductile Iron GGG-50 for durability. High Pressure Rating: Available in PN10, PN16, and PN25 pressure classes. Wide Diameter Range: Universal sizes from DN40 to DN400 for various pipe needs. Epoxy Coating Protection: Surface coated with epoxy, thickness exceeding 250 microns. Multiple Gasket Options: Gaskets available in EPDM, NBR, or SBR materials. Certified Quality: Products hold WRAS and ACS certificates for safety. Strict Testing Standards: Undergoes mechanical, chemical, and 1.5x working pressure tests. DIN Standard Compliance: Manufactured according to DIN standards for international compatibility.