... (DN15 to 1,600mm)Meets ASTM A182, A105, ANSI B16.5, B16.47, B16.48, B16.36, DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, ... DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 and BS4504 standardsPressure ratings: Class 150, 300, 600, 900, 1500 and 2500PN6, PN10, PN16, ... contact me: Longjunpipe04 AT gmail COM Flat Flange with Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings ...