... 3,PN:PN1.6-4.0MPa 4,Type:control valve Remote control pneumatic valveMainly technical inspection1,Material: lining ceramic/ ... the valve and actuatorposition signal to spot of control system.Installation(ax-cording to following picture). ... and yoke,Used the driving axes NAMUR froove make the feedback,and fixed with 4 bolts,then ... asbestos yarn with graphite,graphite packing Remote control pneumatic valve