Pilot Valve Selection Simplified Selecting the correct pilot valve for your VAC positioner can seem confusing, but a few simple rules will help you pick the correct pilot valve the first time, every time. VAC pilot valves for the V100 and V200 series positioners are selected using 3 factors and 3 basic rules. Selection Factors: Bleed Rate (also called steady …
Valve World Americas: Spotlight on Valve Accessories & Controls
Valve World Americas features VAC in the Spotlight section of their December 2018 publication: Spotlight on … Valve Accessories & Controls: Quality, Service & a Positive Attitude Matters “As the ‘brains’ of the control valve package, this instrument is unique since it measures valve stem/actuator position and then performs a key function – it actually moves the control valve. Other …
Tech Tip: Cam Setup
A very important part of calibration of the V100 and V200 is setting the cam properly. If the cam is not set properly the result will be either the positioner will not span out (fail to reach 100% of the range), or the positioner will get full range but the user will not be able to get the positioner to …
Product Update: Introducing New VAC I/P
Our engineer has been working hard over the last few years to develop our very own I/P for the V200 series (pictured above right). We have started to receive the first of the new I/Ps in some of our latest shipments and we couldn’t be more excited for this development. The performance of the VAC I/P is better than the …
Benefit of Gauges
When installing a valve positioner it is always recommended that gauges be installed on the positioner. During normal positioner operation gauges have the benefit of showing air movement between the ports on the positioner and the actuator. The main benefit of having gauges on a positioner is during calibration. When a positioner with gauges is calibrated the gauges can be …
