Last updateFri, 29 May 2020 4pm


Traceability and testing of digital positioners (including the valve) is a key to process control accuracy, reliability and safety. By providing this traceability, costs are reduced and flow control systems are made safer.

Paint & Coatings

A walk through a typical valve distributor’s warehouse will yield a contrasting view of either silver or black products. These two colors have been nearly exclusive for iron and steel valves for the last 75 years. The iron valve is painted black, while the steel valve is silver. Stainless valves are generally not painted at all, unless the end user decides to do so for some special reason.

Process Instrumentation in Oil and Gas

Process instrumentation is an integral part of any process industry because it allows real time measurement and control of process variables such as levels, flow, pressure, temperature, pH and humidity. With the right instrumentation, process plants can run effectively, efficiently, economically and safely through the integration of alarm signals.

The Challenges of Slurry Valve Packing

Because of the difficulties of dealing with slurry as a medium, the equipment assigned to move it along faces many challenges. One that gets lost among a host of others for slurry valves is packing. While packing-less valves (such as pinch valves) exist, most valves have a stuffing box and need packing to create a seal against the stem or gate. Proper packing selection, failure analysis and installation procedures are critical to the leak-free operation of valves.

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