The AB-AWWA is a part-turn worm gear operator for the manual actuation of AWWA C504 butterfly valves and C517 plug valves. Torque goes up to 2,000 Nm with ratios from 34:1 to 48:1, in a fully sealed housing that is 90% grease filled for life.


| Application | Manual actuation of AWWA C504 butterfly valves and C517 plug valves |
| Torque Range | Up to 2,000 Nm (1,475 lbf.ft) |
| Ratios | 34:1 to 48:1 |
| Construction | 90% grease filled for life and fully sealed; self-lubricating sleeve bearings |
| Standard Temperature Range | -20 to +120 °C (-4 to +250 °F) |
| Service | Above or buried service |
| Overload Capability | 300 lbf.ft |
| Options | Stem extensions, square nut, padlock kit, NAMUR and Westlock position indicator mounting kit, high and low temperatures, open right service, 450 lbf.ft overload capability (unavailable for AB550AW) |