Gearboxes - Quarter-Turn - WG series

The Flowserve Limitorque WG series of worm gearboxes is designed for quarter-turn butterfly, ball, and plug valve applications as well as quarter-turn and multi-turn dampers and offers unsurpassed quality and longevity in a wide variety of weatherproof, submersible and buried-service applications.

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  • Extraordinary range of output speeds and torques made possible by compatibility with a wide array of numerous electric actuators
  • ​​​​​​Weatherproof, temporary submersion, and buried services
  • Features self locking gearing
  • Quarter-turn or multi-turn, manual or motorized operation available 
  • -300C to 900C ambient temperature range
  • Reduced downtime provided by the removable, top-entry, splined valve shaft adapter, which ensures proper engagement of the valve stem
  • Increased uptime due to rugged ductile iron housing, roller bearing-supported shaft and well-designed sealing, which stands up to tough conditions

Torque Rating Range: Torque output to 326 000 ft-lb (442 000 Nm)

Weatherproof
Protected against the ingress of water and dust

Submersible
Suitable for temporary submersion to IP67 and IP68

Buried Service
Suitable for in-ground installation

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