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For Smoke and Fire Dampers
HH-FVD-H Actuator for Fire-Regulating Valves
Thermally activated, manually operated, manually resettable, with adjustable airflow.
HH-FD-H Actuator for Fire Dampers
Thermal sensor activation, manual operation, manual reset.
HHAL-FVD-LS Actuator for Fire‑Regulating Valves
The temperature sensor activates, manually resettable, with adjustable airflow and output signals for valve opening and closing positions.
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Pioneering and innovation are the spirit of Hua Hui; high quality, excellent reputation, and putting customers first have always been the principles our company adheres to. We welcome both new and existing customers to choose and patronize us.