Extraction Tank,Extraction Concentration Tank Equipment,Extraction Concentration Tank,Extract Tank Wenzhou suote pharmaceutical and chemical engineering CO.,LTD , https://www.wzsuotejixie.comPneumatic valve operating distance than the electric valve, pneumatic valve switching speed can be adjusted, the structure is simple, easy to maintain, the action of the buffer due to the gas itself, not easily damaged due to stuck, but it must have gas, and its control The system is also more complex than electric valves. Pneumatic valve responsive, safe and reliable, and many of the control requirements of the factory specifically for pneumatic instrumentation control components set the compressed air station. Electric is to electricity.