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Valve

Valve news and technical articles from Power Engineering. Search Valve latest and archived news and articles

  1. Control valves reduce boiler feedwater pump problems

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    Wed, 1 Jan 1997

    high gain control valves applied in series ..... upgraded material valve seat and a piloted ..... inspection of the valve seats revealed no seat erosion." The valves were supplied by ..... accurate, repeatable valve stem position. Valves are in analog system

  2. Preventing Cavitation Requires Proper Design and Operation of Feed-water Valves

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    Sat, 1 Nov 2003

    pump recirculation valves caused by similar conditions. Two- valve System Operation ..... of operation, the valves can be equipped with a digital valve controller that incorporates ..... feed-water control valves : Review the valve operating information

  1. Rotary valves

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    Mon, 1 Jan 1996

    valves Q-Trim rotary valves provide the ultimate ..... cavitation without sacrificing valve rangeability when there ..... in the media. These valves generally attenuate noise ..... compared to standard trim valves , and they reduce vibration ..... surge control/recycling valve , pump discharge and

  2. Recirculation Valve

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    Wed, 1 Apr 1998

    Recirculation Valve The automatic pump recirculation valves provide pump protection ina self-contained valve body. Four major functions--flow ..... are built into one in-line serviceable valve body. The valve senses mainflow and opens

  3. Right-Sizing Valves For Downsizing Utilities

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    Sat, 1 Nov 1997

    Right-Sizing Valves For Downsizing Utilities ~ Valve Selection Marjorie O ..... fluidas it flows through the valve orifice. Quiet Valves At Gavin Station Gavin ..... maintenance required of the valve and nearby valves and piping. Beebe is pleased

  4. Selecting the Right Pumps and Valves for Flue Gas Desulfurization

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    Sat, 1 Jul 2006

    sump applications. Valve Considerations for ..... from 100 to 200 valves . In the process ..... image For smaller valve sizes, diaphragm valves provide a reliable ..... The specified valves should be able to ..... choosing a diaphragm valve for this service is that

  5. Compact Slide Gate Valve

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    Mon, 1 Mar 1999

    Compact Slide Gate Valve Bush & Wilton`s compact slide gate valves have one-piece cast bodies ..... twin-piston design makes the valve fully one-third shorter than comparable slide gates. This valve is well suited for feeding coke

  6. Offset Rotary Valves

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    Thu, 1 Oct 1998

    Offset Rotary Valves Bush & Wilton offset rotary valves provide solids feeding and metering ..... standard drop-through rotary valves . This can be important when feeding ..... solids used in the power industry. Valve come in sizes from 4" to 30

  7. Valve Management Software

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    Thu, 1 Oct 1998

    Valve Management Software Valve Manager software, used in conjunction with Neles Controls ..... based tools for configuring and monitoring control valves froma single remote location. Valve Manager monitors valve performance on-line, accumulating

  8. Name a power plant that doesnt rely on valves to control its many systems. Impossible, right?

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    Sun, 1 Oct 1995

    power plant that doesn`t rely on valves to control its many systems. Impossible, right? Valves are such an integral and reliably ..... often forgotten. Nevertheless, valve manufactures continue to perfect valve designs to perform a variety of