
2.5MPa Reducing Grooved Pipe Coupling Pipe Joint Fire Water Supply Fitting Coupling. FM, UL, CE, ISO Certified: Meets strict international safety and quality standards for fire protection systems. Ductile Iron Construction: Housing made of ASTM A536 ductile iron for high strength and durability. Wide Size Range: Available in sizes 1" to 12" (DN25-DN300) to fit various pipe diameters. Flexible & Rigid Options: Choose rigid for straight runs or flexible for vibration absorption and deflection. Custom Logo Support: Supports on-demand customization including logo, color, and appearance size. 24-Month Warranty: Comprehensive 24-month warranty coverage for peace of mind and quality assurance. Leak-Proof Gasket: EPDM or Nitrile gaskets provide excellent UV and chemical resistance. Fast Installation: Quick-install designs with single-bolt or hinged options for tool-free assembly.