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 Measurement mm/in Measurement mm/in D L(Standard) L(Short) 25 33.7 500 57 57 1 1.315 3.45 2.244 2.244 32 42.4 500 70 60 1¼ 1.660 3.45 2.755 2.362 40 48.3 500 70 60 1½ 1.900 3.45 2.755 2.362 50 57.0 500 83 70 2 2.244 3.45 3.267 2.755 50 60.3 500 83 70 2 2.375 3.45 3.267 2.755 65 73.0 500 95 76.2 2½ 2.875 3.45 3.74 3 65 76.1 500 95 76.2 2½ 3.000 3.45 3.74 3 80 88.9 500 108 85.8 3 3.500 3.45 4.251 3.377 100 108.0 500 127 101.6 4 4.252 3.45 5 4 100 114.3 500 127 101.6 4 4.500 3.45 5 4 125 133.0 500 122 122 5 5.250 3.45 4.803 4.803 125 139.7 500 140 122 5 5.500 3.45 5.511 4.803 150 159.0 500 165 142 6 6.260 3.45 6.496 5.59 150 165.1 500 165 142 6 6.500 3.45 6.496 5.59 150 168.3 500 165 142 6 6.625 3.45 6.496 5.59 200 219.1 500 197 179 8 8.625 3.45 7.755 7.047 250 273 500 229 215 10 10.75 3.45 9.015 8.464 300 323.9 500 254 245 12 12.75 3.45 10 9.645 350 377 500 279 279 14 14.843 3.45 10.984 10.948
