Fire Safety Grade Black Malleable Iron Pipe Fittings for Commercial Fire Protection System

Fire Safety Grade Black Malleable Iron Pipe Fittings for Commercial Fire Protection System. 10-Year Warranty Coverage: Comprehensive 10-year warranty for all mechanical defects and material issues. Premium Malleable Iron Material: Manufactured from fine-grain black heart malleable iron with high tensile strength. FM and UL Certification: Certified by FM and UL, plus SNI and ABNT certifications available upon request. OEM and ODM Support: Full customization support including designs, materials, and technical specifications. 100% Air Pressure Testing: Every product undergoes strict 100% air pressure testing before delivery. Leak-Proof Precision Threading: Compliant with NPT and BSPT standards for secure, permanent connections. Versatile Surface Treatment: Available in standard black finish or optional hot-dip galvanized for corrosion resistance. Wide Size Range: Complete specifications available from 1/8 inch to 6 inches for various applications.