Pneumatic switch for the control of air, gas or air/gas mixture pressures. They work under pressure or suction. Simple screwdriver adjustment. Various springs available.

• 气压开关用于空气，燃气或燃气空气混合气的压力控制。可以工作在正压或负压下，简单的螺丝刀调节，多种弹簧可选。