O le a le eseesega i le va o le triplex puna kesi ma le triplex pneumatic?
Pneumatic valve actuator o le ea faʻamalosi e avea ma malosiaga e tatala ma tapuni. Pneumatic polo valves, pneumatic butterfly valves, pneumatic gate valves pneumatic globe valves pneumatic diaphragm valves pneumatic control valves ma isi pneumatic series of angu...
va'ai fa'amatalaga