
China Manufacturer Carbon Steel Flate Face Blind Flange, 4'' in, Forged, ASME B16.5, ANSI 500. Wide Size Range: Available in sizes from 1/2 inch to 48 inches (DN10 to DN5000). Multiple Pressure Ratings: Supports ANSI Classes 150, 300, 600, 900, 1500, and 2500 LBS. Strict Quality Control: 100% inspection including visual and function checks for finished products. Flexible Customization: Offers full, minor, and flexible customization from samples or designs. International Standards: Complies with ASME B16.5, ANSI, DIN, JIS, GB, and other global standards. Low MOQ: Minimum Order Quantity is just 1 piece, suitable for small batches. Fast Lead Time: Average lead time within 15 workdays for both peak and off-season. Third-Party Certified: Products approved by SGS, BV, Moody, and Tuboscope for quality assurance.