Flowserve Limitorque - Dynamic Wiring Diagrams Get Direct URL Using Options: If using Firefox, PDF’s are best viewed in Firefox 37.0.1 or later Limitorque Electric Actuators | Flowserve Limitorque; Limitorque Electric Actuators View Wiring Diagram Configurator. The QX is the Flowserve Limitorque product for the quarter-turn valve market up to 1500 ft-lb. Beyond that range any of the multi-turn products can be assembled with WG or HBC 90° worm gearbox operators to increase torque range and mechanical advantage. L-120 SERIES INSTRUCTION AND MAINTENANCE MANUAL PDF fileL-120 SERIES INSTRUCTION AND MAINTENANCE MANUAL Your Limitorque Valve Control.. Limitorque's L-120 series of actuators is the most advanced valve control on the market.. the result of many years of development and an awareness of our customer's applicable wiring diagram. 5. Flowserve Limitorque Actuators: General Safety Precautions This post is intended to supplement Flowserve / Limitorque's o Flowserve Limitorque Actuators: General Safety Precautions and Practices is in accordance with the applicable wiring diagram.