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Digital valve controller gets a tough housing

11 September 2013

A digital valve control with stainless steel housing has been added to the Emerson Process Management’s Fisher FIELDVUE DVC6200 digital valve controller family.

The latest addition is able to withstand the corrosive atmospheres often experienced in chemical plants, pulp and paper mills, as well as near-shore and offshore oil and gas installations.

All DVC6200 series instruments utilise a linkage-less, non-contact feedback design to detect valve position which is said to eliminate any travel feedback issues caused by corrosion, high cycle or high vibration applications.

In addition to external protection, corrosion resistance is found within the stainless steel housing with the digital controller’s fully encapsulated printed wiring boards. Internal component protection is further enhanced by a separate, weather-tight field wiring terminal box that isolates the field wiring connection from other areas of the instrument.

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