... (DN15 to 1,600mm) Meets ASTM A182, A105, ANSI B16.5, B16.47, B16.48, B16.36, DIN2527 ... inch (DN15 to 1,600mm)Meets ASTM A182, A105, ANSI B16.5, B16.47, B16.48, B16.36, ... DIN2673 and BS4504 standardsPressure ratings: Class 150, 300, 600, 900, 1500 and 2500PN6, PN10, PN16, PN25, PN40 and ... contact me: Longjunpipe04 AT gmail COM Flat Flange with Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings