... , DIN2527, DIN2566, DIN2573, Types: slip-on, welding neck, blind, socket welding, threaded, lap joint and plateSizes: 1/2 to ... DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 and BS4504 standardsPressure ratings: Class 150, 300, 600, 900, 1500 and 2500PN6, PN10, PN16, PN25 ... ,please contact me: Longjunpipe04 AT gmail COM Flat Flange with Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings ...