HQ-SERIES QUARTER TURN ELECTRIC ACTUATORS

Conforms to AWWA C504-93 Requirements.
Standard construction is rated Nema 6, IP67, with optional IP68 temporary submergence.
All units (except HQ-006) are double reduction worm gear drives, which provide inherent self-locking characteristics. Motor brakes are not required.
Main housing electrical enclosure is a spigot fit (slight taper) for easy removal and equipped with captive bolts.
Declutchable handwheel feature which can be padlocked to avoid unauthorized operation.
(4) limit switches and open/close torque switches.
Removable Drive Bushing for ease of machining.
Advanced Local Control Stations.
3 phase available with digital position indication and separate terminal chamber.
4-20ma proportional control (modulating) option.