Profile: Zhejiang Beier control valve Co., Ltd. specializes in the valve industry. Our products comprise of top guided & cage guided control valves, butterfly valves, ball valves, globe & control valves for heavy duty services. We are an ISO 9001:2000 certified company. We market sealed butterfly valves, control valves for cryogenic services, pneumatic cutout valves, electric actuated cooling water control and high-pressure special valves. Our pneumatic cut-out valve is composed of a regulating valve with multi-spring pneumatic diaphragm actuators or with a float piston actuator, receiving, regulating & metering signals, controlling the cutout, putting through and switch of fluid in the pipe.