
Ductile Cast Iron Grooved Fittings with FM UL Certificates. FM & UL Certified: Products hold FM, UL, CE, CUL, and ISO certificates for global compliance. High-Strength Material: Made of Ductile Iron ASTM A536 Grade 65-45-12 with 65,000 psi tensile strength. Leak-Tight Seal: EPDM rubber gaskets provide pressure-responsive, leak-tight joints. Easy Installation: Oval neck bolts allow easy tightening with a single wrench/spanner. High Pressure Rating: Rated for 300PSI, 500PSI, and 2.5MPA working pressures. Custom Surface Options: Available in Painted, Epoxy, Galvanized, and Dacromet surface treatments. OEM/ODM Support: Full OEM and ODM services available with 7 R&D engineers. Fast Delivery: Normal delivery within 15-30 days; off-season within 15 workdays.