... to 64-inch (DN15 to 1,600mm) Meets ASTM A182, A105, ANSI B16.5, B16.47 ... socket welding, threaded, lap joint and plateSizes: 1/2 to 64-inch (DN15 to 1,600mm)Meets ASTM A182, A105, ANSI B16 ... DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 and BS4504 standardsPressure ratings: Class 150, 300, 600, 900, 1500 and 2500PN6, PN10, PN16 ... Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings