
Black Malleable Iron Pipe Fitting Malleable Cast Iron 4 Holes Flange. Comprehensive Certifications: Products hold UL, FM, CE, ISO 9001, and regional certifications like SASO and GOST. Customized Dimensions: Available sizes range from 1/8 inch to 6 inches with custom height options. High Pressure Resistance: Hydrostatic test pressure up to 2.5 MPa with working pressure of 1.6 MPa. Wide Temperature Range: Operates effectively in temperatures from -20 to 200 degrees Celsius. OEM and ODM Services: Buyer's drawings and customized designs are fully available for production. Flexible Delivery Options: Standard delivery in 15-20 days, customized in 25-30 days after approval. Diverse Surface Finishes: Options include Hot-Dip Galvanized, Normal Black, and Shining Black. Global Project Experience: Successfully installed in landmark projects like Beijing Daxing Airport and Riyadh Hospital.