Sizes: 1/2 to 64-inch (DN15 to 1,600mm) Meets ASTM A182, ... neck, blind, socket welding, threaded, lap joint and plateSizes: 1/2 to 64-inch (DN15 to 1,600mm)Meets ASTM A182 ... , DIN2638, DIN2673 and BS4504 standardsPressure ratings: Class 150, 300, 600, 900, 1500 and 2500PN6, PN10, PN16, PN25, PN40 and PN64JIS 5K ... AT gmail COM Flat Flange with Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings