1. FM/UL approved 2. Material: Ductile cast iron ASTM-A536 Grade 65-45-12 3. Surface can be coated with epoxy powder, hot dip zinc or ordinary paint 4. Advantage: Flexible and rigid, Joint reliability, Isolates noise and vibration, Convenient joint 5. 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 Dimensions L mm/in D 25 1 33.7 1.327 500 3.45 22 0.866 32 1¼ 42.4 1.669 500 3.45 22 0.866 40 1½ 48.3 1.900 500 3.45 22 0.866 50 2 57 2.245 500 3.45 22 0.866 50 2 60.3 2.375 500 3.45 22 0.866 65 2½ 73.0 2.875 500 3.45 22 0.866 65 2½ 76.1 3.000 500 3.45 22 0.866 80 3 88.9 3.500 500 3.45 22 0.866 100 4 108.0 4.250 500 3.45 25 0.99 100 4 114.3 4.500 500 3.45 25 0.99 125 5 133.0 5.250 500 3.45 25 0.99 125 5 139.7 5.500 500 3.45 25 0.99 150 6 159.0 6.250 500 3.45 25 0.99 150 6 165.1 6.500 500 3.45 25 0.99 150 6 168.3 6.625 500 3.45 25 0.99 200 8 219.1 8.625 500 3.45 30 1.181 250 10 273.0 10.750 500 3.45 32 1.259 300 12 323.9 12.750 500 3.45 32 1.259 350 14 377.0 14.843 500 3.45 247 9.724
