Valvcon™ Quarterback™ QB-series quarter-turn mechanical spring back-up electric actuator
The Valvcon QB-series is a continuous-duty and extremely versatile brushless DC electric actuator designed for quarter-turn valve and damper applications. It is available in both NEMA 4/4X and NEMA 4/4X/7&9 configurations. Notable standard features include multiple power and control options, mechanical spring back-up power, holding brake, heater, and CSA (C US) certification.
Flow control