Yam tseem ceeb ntawm Pneumatic Valves:
1) Pneumatic V-hom tswj valve
2) Pneumatic O-hom disconnect valve
3) Torque lub tog raj kheej valve
4) Electromagnetic induction pneumatic npauj npaim valve
5) Pneumatic ncaj tsav txoj haujlwm pneumatic npauj npaim valve
6) Electric tswj valve
