... :PN1.6-4.0MPa 4,Type:control valve Remote control pneumatic valveMainly technical inspection1,Material: lining ceramic/ body carbon steel + ... of control system.Installation(ax-cording to following picture).the pneumatic actuator 3 with the signal switch box and yoke, ... ,the signal input/ortput:4-20ma.Installation(see folllwing ptcture).Pneumatic actuator 3 wit eletric force localizer"2"and yoke,Used ...