Servovalve linear pneumatic single acting spring to close actuators are defined as series .
Construction is in heavy duty design in carbon steel without use of aluminium for external rts.
Reliable construction allow optimum performances for both on-off or modulating service.
Actuators are available with helicoidal spring ( ) or Belleville springs ( T ) mainly used in case of high thrust requirement for short stroke valves ( < 50-60 mm ).
Various options are available on request as manual override ( handwheel with or without side gear, hydraulic handpump ) , hydraulic damper, customised adapting rts for assembling on any kind of linear valve.
In this area you can download all the technical documentation and catalogs in PDF format. you can download only registered.