1. Material: Ductile cast iron ASTM-A536 Grade 65-45-12 2. Surface can be coated with epoxy powder, hot dip zinc or ordinary paint 3. Advantage: Flexible and rigid, Joint reliability, Isolates noise and vibration, Convenient joint 4. Applications: Fire protection; Power plant: Heating, ventilation and air conditioning; Industrial plant: Water treatment, plumbing and mining. Nominal Size mm/in Pipe O. D mm/in Working Pressure PSI/MPa Measurement mm/in D L 25 33.7 300 57 1 1.315 2.07 2.244 32 42.4 300 60 1¼ 1.660 2.07 2.362 40 48.3 300 60 1½ 1.900 2.07 2.362 50 57.0 300 70 2 2.244 2.07 2.755 50 60.3 300 70 2 2.375 2.07 2.755 65 73.0 300 76.2 2½ 2.875 2.07 3 65 76.1 300 76.2 2½ 3.000 2.07 3 80 88.9 300 85.8 3 3.500 2.07 3.377 100 108.0 300 101.6 4 4.252 2.07 4 100 114.3 300 101.6 4 4.500 2.07 4 125 133.0 300 122 5 5.250 2.07 4.803 125 139.7 300 122 5 5.500 2.07 4.803 150 159.0 300 142 6 6.260 2.07 5.59 150 165.1 300 142 6 6.500 2.07 5.59 150 168.3 300 142 6 6.625 2.07 5.59 200 219.1 300 179 8 8.625 2.07 7.047 250 273.0 300 215 10 10.750 2.07 8.464 300 323.9 300 245 12 12.750 2.07 9.645 350 377.0 300 356 15 14.843 2.07 14.015
