Search results with tag "Valtek xl series positioners"

Valtek XL Series Positioners - Flowserve

ward movement of the actuator piston and stem. The XL Series positioners are two-stage, force-balanced instruments. Figure 4 shows an XL Series positioner used in conjunction with either an electro-pneumatic or pneumatic module, installed on a double-acting actuator for air-to-open action. Positioning is

  Series, Piston, Acting, Double, Positioner, Flowserve, Valtek, Valtek xl series positioners