BQSR spring return electric actuator is designed for fail-safe in case of power supply failure. They are used in critical processes to return quarter-turn valves to their safe position even with the absence of power.
Zhejiang Valco Flow Control Co., Ltd. aims at high-end and high-performance flow control solutions. We have 2 production base, one is located in Binhai Industrial Area, Wenzhou, the other is in Shanghai.