
Ductile Iron Grooved Fittings and Rigid Couplings FM, UL, CE. FM, UL, CE Certified: Products hold FM, UL, and CE certifications for global compliance and safety standards. High Pressure Rating: Designed for working pressure up to 300 PSI (2.07 MPa) for reliable performance. Ductile Iron Housing: Housing made of ASTM A-536 ductile iron grade 65-45-12 for superior strength. Wide Size Range: Available in nominal sizes from 1 inch to 12 inches (25mm to 300mm). Multiple Gasket Options: EPDM, Silicon Rubber, and Nitrile rubber gaskets for various fluid services. OEM/ODM Support: OEM and ODM services available with 2 R&D engineers for custom solutions. Rigid Joint Design: Allows less than one degree of deflection, similar to flanged or welded connections. Durable Bolt Material: Bolts and nuts are heat-treated plated carbon steel meeting Grade 8.8 properties.