VALVE ACCESSORIES & CONTROLS ELECTRO-PNEUMATIC POSITIONER A line of pneumatic valve positioners incorporating over sixty years of design, manufacturing and marketing expertise, creating one of the most durable, reliable This positioner can be ordered as a base pneumatic model but can be converted to a standard electropneumatic, IS, Ex or Fail Freeze model in a matter of minutes, without removing the unit from its installation. Accessories in the way of gauges, feedback modules or a raised indicator can be added in a matter of minutes. Maximum modularity equals maximum flexibility and with a simple design and quality components, the performance Input Signal Supply Pressure Linearity Error Pressure Gain Thread sizes Electrical entry Gauge ports Ingress Protection Surface Finish Powder Polyester Various Spindles for different actuators Various cams Feedback modules Bleed Rate Temperature Range Pilot Valves W1 Low Gain Pilot Valve, pressure gain 300 @ 600KPa Bleeds 33% less, air delivery 10% less than W3 W2 High Gain Pilot Valve, pressure gain >1000 @ 600KPa Bleeds 33% more, air delivery equal to W3 W3 Standard Pilot Valve, Air capacity and Bleed as left W1 for better stability, W2 for better response & accuracy Simple calibration. With the non-interactive zero and span adjustment and the external zero adjustment, calibration is simple and time saving. Flexibility. One housing for pneumatic or electro-pneumatic. The l/P can be installed or removed at any time. Multiple mounting capability. Standard indicator allows for air to open or air to close operation. Flat or raised indicator available. F05 standard housing with changeable drives. Maintenance friendly. The pilot valve assembly can be cleaned by removing one screw and can only be installed one way - the correct way. The gauge block is standard. I/P test point positioner loop testing. Durable. Cast Aluminium, polyester coated housing. Stainless steel retained fasteners. Double locked stainless steel cam. Quality internal parts. Unique electrical compartment fitted with an o-ring is pressure sealed by the cover.

Positioner shown with Pressure Gauges. Ordering Specification (Others available) Rotary Namur Long Linear Short Linear Front Cover Flat Arrow (Others available) Example Order VAC Positioner with Thread 1/4G, Rotary Namur Drive, 90 Degree Front Cover Flat Arrow Indicator with a Linear 90/ 180 Degree Cam Specifications and dimenions in this leaflet, are subject to change without prior notice.