DN80 DN100 Factory Manufacture FM UL Approved Grooved Pipe Fitting Rigid Connection Coupling for Fire Fighting Fire Protection

DN80 DN100 Factory Manufacture FM UL Approved Grooved Pipe Fitting Rigid Connection Coupling for Fire Fighting Fire Protection. Ductile Iron Construction: Housing made of ASTM A536 ductile iron for high strength and durability. Multi-Standard Certifications: Certified by FM, UL, CE, and ISO for global compliance and safety. Wide Size Range: Available in sizes 1" to 12" (DN25-DN300) for versatile applications. Corrosion Resistant Finish: Options include epoxy coating, hot-dip galvanizing, and electroplating. Leak-Proof Gasket: EPDM or Nitrile gaskets provide UV and chemical resistance. 24-Month Warranty: Comprehensive 24-month warranty coverage for peace of mind. Full Customization Support: Supports custom logo, color, size, and design-based customization.