This diaphragmswitch is ideal for low pressure applications that require low hysteresis, accuracy and repeatability.
薄膜开关主要用于低压应用，对磁滞、精确度和可重复性要求较低。
2
Fuel valve, a high-performance "gasoline switch", is widely used in developed countries. It is called vacuum diaphragm valve or vacuum diaphragm type "gasoline switch "in China.