diaphragm valve


Also found in: Wikipedia.

diaphragm valve

[′dī·ə‚fram ‚valv]
(engineering)
A fluid valve in which the open-close element is a flexible diaphragm; used for fluids containing suspended solids, but limited to low-pressure systems.

diaphragm valve

A valve whose action is controlled by fluid pressure on a diaphragm.
References in periodicals archive ?
The sealing takes place via a PTFE diaphragm with PD technology (plug diaphragm), which combines the advantages of a diaphragm valve with those of a globe valve.
The website will then instantly provide the optimum diaphragm valve replacement option.
The compact, multiport double weir design of this diaphragm valve provides for multiple flow paths while reducing contact surfaces and hold-up volume.
For instance, a standard loader can be expanded into a cleanroom version just by adding a special vacuum diaphragm valve.
The actuator design of this piston actuated 2/2-way diaphragm valve has proven popular in the foodstuff and pharmaceutical industries for many years.
Dymax Corporation's new Model 475 valve dispensing systems utilize a pneumatic, normally closed diaphragm valve to accurately dispense low- to high-viscosity fluids, the company reports.
The Swagelok (Solon, OH) DE series springless diaphragm valve delivers improved performance in the industry-standard 1.
The High Flow Diaphragm Valve features an optimized, turbulence-free flow geometry that provides Cv values ranging from 3.
s DV509 Diaphragm Valve is a lightweight valve designed to dispense low to medium viscosity fluids while keeping wet parts separated from the operating air supply.
The valve uses a patented sealing arrangement, which has the advantages of a diaphragm valve, avoiding metal-to-metal contact which could result in metal particles being released into products, while giving a similar level of control to a metal plug and seat The self-draining, isolated seal design enables the valve to be used in applications where quick assembly and disassembly for cleaning is essential.
Because of this, William Glime of Swagelok Company, Willoughby, Ohio, designed the Swagelok ALD series diaphragm valve.
The inert diaphragm valve is a solenoid-operated diaphragm isolation valve designed for use with corrosive or high-purity fluids.