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Valtek® Valdisk™ High-Performance Butterfly Control Valve
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Catalog excerpts

Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 1

Valtek Valdisk™ High-Performance Butterfly Control Valve

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 2

Maintain process integrity and ensure a smooth production flow Control valves play a critical role in process applications by maintaining process integrity and ensuring a smooth production flow. They assure process variables remain close to the desired setpoint and facilitate improvements in process productivity, plant uptime and employee safety. Control valve reliability is even more vital in demanding, high-cycle applications — such as pressure swing adsorption (PSA) and air separation in oil and gas refineries and chemical refining — that experience more than 200,000 cycles per year....

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 3

Logix™ 3800 positioner Digital positioner for high reliability and simplified installation with an innovative, one-button, quick-calibration feature Piston cylinder actuator High thrust for high-performance throttling, air pressure up to 150 psi (10.3 bar) Clamped/splined actuator lever Eliminates lost motion between shaft and actuator to improve throttling control Actuator and positioner interface A spring-biased linkage provides repeatability and reduces hysteresis. Stroke stops Adjustable stroke stops prevent excessive rotation to avoid shaft damage. Valtek® Valdisk™

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 4

Shaft retention Pinned shaft to disc One-piece, splined shaft end provides a tight connection between shaft and actuator to improve throttling control. Anti-blowout protection for safety compliance to industry standards Tapered pins provide tight connection for excellent control without the need to drill the shaft. Packing options Excellent shut-off Low-emissions for variety of applications, complying with industry standards Soft seat/jam-lever toggle (Class VI) and metal seat (Class IV) provide reliable, long-life, shut-off capability. Robust design for safety and easy maintenance

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 5

Design standards Test standards Certifications/approvals

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 6

Actuation and instrumentation VR spring cylinder rotary actuator The Flowserve VR spring cylinder rotary actuator combines high torque and pneumatic stiffness with excellent throttling capabilities. These characteristics are designed into a lightweight, rugged and compact assembly, making this actuator an ideal choice for quarter-turn applications. Limitorque® LPS pneumatic Scotch yoke actuator The Limitorque LPS actuator is ideal for medium or large valve actuation and any application requiring robust design, long service life and high-speed operation. Its modular construction allows easy...

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Valtek®  Valdisk™ High-Performance Butterfly Control Valve - 8

Flowserve Corporation 5215 North O’Connor Blvd. Suite 2300 Irving, Texas 75039-5421 USA Telephone: +1 937 890 5839 Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intended function safely during its useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service conditions. Although Flowserve can provide general guidelines, it cannot...

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