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actuador la
actuador la

DeZURIK LA-Series Actuators


Technical Information

LA-Series Actuators are designed for use on large DeZURIK AWWA Butterfly Valves.


The LA-Series Actuator meets the requirements of AWWA C504 standards.


The link-arm mechanism allows the LA-Series Actuator to provide characterized closure that slows valve travel and increases torque as the disc comes into the seat.


The actuators feature high compressive strength yoke nut bearings that ensure reliable operation and increased cycle life.


The actuator is self-locking, maintaining valve position under varying flow conditions.

Size range:
30" - 54" (750 - 1350mm)


Materials of constraction:
Cast-iron housing in buriable or weatherproof construction. One-piece yoke machined from a ductile iron casting. Carbon Steel input shaft and aluminum bronze yoke bearing. Buried service actuators are grease filled per AWWA C504.


Input  torque:
Capability of 450 foot pounds against the open and closed position stops as standard.


Hand wheel, chain wheel or 2" (50mm) square nut options.