Motorized Ball Valve, Control Valve, Electric Butterfly Valve manufacturer / supplier in China, offering Winvall IP67 Electric Actuator Three Way Stainless Steel Ball Valve 0-10V/4-20mA, Winvall 2 Way 1/2′′ 3/4′′ 1′′ 0-10V 4-20mA SS304 Proportional Motorized Ball Valve, Winvall 2inch Motorized Brass Three Way 2 Way Control Valve and so on.
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