Ball Valves
Product Details
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High-Purity Stainless Steel BALL VALVES |
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| An Open and Shut Case of Quality | |
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The Valex High-Purity Ball Valve incorporates the same high standards that customers with critical fluid-processing requirements have come to expect from Valex for over two decades. The
design, manufacture, testing, cleaning, packaging, distribution, and servicing of the High-Purity Ball Valve carries the same Valex tradition for excellence associated with the many other
high-purity components we offer. Each valve is carefully scrutinized by highly trained and experienced inspectors, and benefits from the stringent requirements of the Valex ISO 9002 certified quality system. All valves are 100% helium leak tested, cleaned, and assembled in a class 100 cleanroom. |
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| With a Steady Flow of Valex Benefits | |
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Tube-Full-Port Design Dramatically decreases fluid flow resistance, using the same bore sizes for both valve internal components and the connecting tube. Elimination of socket welds reduces contaminant pockets. 3-Piece Swing-in-Place Construction Offers quick and easy in-situ maintenance while maintaining parts alignment and allowing easy access to internal components after installation. Stainless Steel Construction All wetted metallic surfaces are constructed from 316L stainless steel for excellent corrosion resistance. 300-series stainless steel is also used in the remaining non-wetted components to protect from environmental corrosion. Color-Coded Handle Choose from nine clearly identified colors to match your facility's process-fluid color code for easier identification. Purge Ports Compression or face-seal purge ports are available upstream, downstream, or both. UHP Cleaning, Packaging, and Testing Final cleaning uses 18meg-ohm DI water and high-purity nitrogen from a cryogenic source. Every valve is tested with 100% helium across the seat and inboard across the body seals. A Variety of End Connections Tube stub and compression fitting connections are available with surface finishes electro- polished to 10 micro-inch Ra, or mechanically polished to 20 micro-inch Ra. All tube ends are faced and squared, ready for orbital welding and permanently marked for traceability to the producing mill. |
Easy-Torque Handle The heavy-duty, long handle gives plenty of leverage to open or close the valve against flowing process fluid. Locking Device The handle has an integral safety tab to prevent accidental operation, and it can be locked in the open or closed position with a standard padlock. |
| Sulfur content is controlled to .005-.017% and material test reports with chemistry and mechanical properties of the tube ends are sent with each valve. Customer specified tube ends to match the same heat of Valex tubing are also available. | |
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Custom Configurations Available Valex can custom build specialty assemblies that reduce field installation time. Since we polish all the welds we make at our facility, the number of raw welds in your process line is reduced. And we can electronically supply a computer-generated 3-D model of your special assembly for your approval before we start making it. Contact your local Valex sales representative for more details. |
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