Diaphragm Valves/

Zero Static Valves

Zero static valves are multi-port diaphragm valves that serve to promote drainage and eliminate dead-leg, or process stream stagnation. These valves accomplish both measures not only by reducing the number of recesses where materials may be caught, but also providing an exhaust or purge port for materials that do become trapped. Manufacturers also use the third port for sampling or diverting process materials as needed for a given system.

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Burkert Fluid Control Systems
Irvine, CA
800-325-1405
At Bürkert Fluid Control Systems, we are never satisfied with the status quo and are continually seeking new technologies and solutions for our customers. Consistent and continuous investment in research and development and in staff training enables us to offer our customers the very best in technology and services. For your upcoming zero static valves and other orders, call Bürkert.
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Dwyer Instruments, Inc.
Michigan City, IN
800-872-9141
Since 1931 Dwyer Instruments has been committed to providing every customer with high quality products at cost-effective prices. Through their ability to diversify, they are able to maintain stability and provide a basis for positioning themselves as a leader in providing knowledgeable, prompt, and courteous customer service. Turn to Dwyer for all of your zero static valves.
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Century Instrument Company
Livonia, MI
734-427-0340
At Century Instrument Company we promise to use only those materials or suppliers that meet ASTM standards or other accepted industry standards and maintain incoming quality control of all new material or assembled sub assemblies. When it comes to the zero static valves you require, you deserve only the best. Turn to a company that always provides the best service you can buy.
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Simtech USA
Levittown, PA
877-777-2467
Simtech serves a large and diverse customer base in the pharmaceutical, biotechnology, semi-conductor, chemical processing, pulp and paper, water/wastewater, medical research/ life sciences and OEM marketplaces. They understand what it takes to deliver on demanding customer requirements across a wide range of application areas. For zero static valves, call today!
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Flow Valves International
Cortland, IL
866-919-0833
For more than 75 years, Flow Valves International has partnered with our customers to solve material handling requirements in the most demanding and diverse industries and applications. We understand that good, reliable equipment, which operates at peak performance, is crucial to your bottom line. For quality and service you can depend on, contact us for zero static valves.
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Industry Information

Zero Static Valves

Zero static valves, which are diaphragm valves, are capable of handling liquid, gaseous and even semi-solid process streams without the risk of leaking or stagnation. Alternative valve designs that use balls, reciprocating rods or flanges result in several exposed recesses which, without a zero static mechanism easily retain materials. If not promptly removed, process stream stagnation can quickly lead to bacterial growth which may corrode piping and contaminate the entire process stream. Many industries such as biopharmaceutical, agriculture, irrigation, plumbing, water treatment, chemical and food processing, pulp and paper, mining and energy production utilize these valves in their daily operations to ensure both equipment functionality and material purity. These valves can be installed inline or perpendicular to the pipeline by using weir valves or seat valves respectively. Hygienic valves, biotech valves and sanitary diaphragm valves utilize zero static valve components to further ensure aseptic operations.

With such a broad range of applications, it is important to consider zero static valves with regards for their intended use. Process streams commonly handled by these valves include silicones, adhesives, oils, chemicals, water, food, cleaners, sanitizers, coatings, fuel and more. Valve components must be made out of chemically compatible materials in order to promote product longevity and efficiency. Durable metals such as brass, steel and stainless steel as well as PVC, CPVC, polypropylene and other plastic materials are used to construct valve components. The diaphragm itself may be made of elasticized metals, though corrosion resistant polymers are more frequently used. The valve is installed directly behind the diaphragm and in close proximity to the main line. Compact models are especially popular as they can be installed even into flow lines or cisterns with complex geometries and limited space. As zero static valves are commonly referred to as point of use or downstream purge valves, it is important to be aware of product specifications in order to ensure the optimal valve for a given applications. Operating temperatures, production methods, number and size of ports, overall dimensions, flow compensation and actuator type in addition to the material concerns mentioned above should be scrutinized when selecting a zero static valve.