The Flowserve Limitorque WG series worm gearboxes are engineered for quarter-turn applications such as butterfly, ball, and plug valves, as well as multi-turn and quarter-turn dampers. They provide exceptional durability and performance across a range of demanding environments, including weatherproof, submersible, and buried service applications.
| Industries | <ul><li><strong>General Industries:</strong> Pulp & Paper, Mining</li><li><strong>Water:</strong> Water Management, Wastewater</li><li><strong>Oil & Gas:</strong> Midstream Transportation, Downstream Processing</li><li><strong>Power:</strong> Conventional Steam, Geothermal, Combined Cycle</li></ul> |
| Mechanical Advantage | 13.6 to 464 |
| Enclosure Rating | Weatherproof, submersible (IP68), and buried service available |
| Options | Spur gear attachments for higher torque applications, various gear ratios for custom stroke times |
| Input Type | Manual input or motorized options available |
| Standard Materials | Housing: Ductile iron, Stem, Worm Gear |
| Max Input Torque Required | 17,542 Nm (12,937 ft-lb) |
| Design Temperature | -50°C to 90°C |
| Sizes | WG-00 to WG-11 |
| Type | Worm Gearbox (Quarter-turn and multi-turn applications for valves such as butterfly, ball, and plug valves, as well as guillotine dampers, radial gates) |
| Mounting Options | Suitable for manual or motorized operation with Limitorque actuators such as MX, SMB, and L120 |
| Output Shaft Type | Removable, top-entry, splined valve shaft adapters |
| Gear Ratio | Ranges from 40:1 to 1600:1 |
| Max Output Torque | 441,991 Nm (326,000 ft-lb) |
| Configurations | <ul><li><strong>Weatherproof:</strong> Protected against the ingress of water and dust</li><li><strong>Submersible:</strong> Suitable for temporary submersion to IP67 and IP68</li><li><strong>Buried Service:</strong> Suitable for in-ground installation</li><li><strong>Nuclear:</strong> Suitable for inside containment, safety related service</li></ul> |
