Diaphragm valve

What is the function of a diaphragm valve? How does diaphragm valves work? What are sanitary diaphragm valves used for? Is bicuspid valve the same as mitral valve? This type of valve is one of.

A diaphragm is a flexible, pressure responsive element that transmits force to open, close or control a valve.

One of its major advantages is that only two components come into contact with the working medium – the diaphragm and the valve body. The valve design is abrasion resistant and non-clogging. When the diaphragm , which is connected to the stem of the valve by a compressor, is pulled away from the bottom of the valve body or weir, the path of the fluid has smooth.

A weir-type diaphragm valve is available to control small flows. The operating mechanism of a diaphragm valve is not exposed to the media within the pipeline. The diaphragm valve has an extended use for applications at low pressures and slurry fluid where most other kinds of valves corrode or become obstructed. It is a quick opening valve. When the compressor is lowered by the valve stem, the diaphragm seals and cuts off flow.

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The center of the diaphragm is pushing down into a seat. Use these valves for fluids that are dirty or have a high particulate content. Available in plastic or metal. In general, metal valves withstand higher temperatures and pressure than plastic valves.

In addition, diaphragm valves provide an external seal. The design of the basic weir-style diaphragm valve seal presents a number of issues for process engineers working in the biotechnology and pharmaceutical industry. In typical configurations, a weir in the valve body rises in a fluid path and when the valve is close the diaphragm meets the weir to shut off the flow.

Our diaphragm -sealed valves are available in a wide variety of sizes, materials, and configurations to fill your needs for high-purity and ultrahigh-purity applications. Alfa Laval diaphragm valves are ideal for use in sterile and ultra-hygienic processes and supplied with a comprehensive documentation package, Alfa Laval Q-doc, providing full transparency of sourcing, production and supply chains, and traceability of all changes in material, manufacturing procedures or spare parts.

We're in your corner and ready to answer your questions. Diaphragm Valves Construction. Our products are diaphragm and seat valves with on-off function up to the control application.

Matched with the valves , an extensive range of mechanical and electrical equipment for monitoring and control is available.