About Diaphragms
Diaphragms are flexible sealing element components that are used in pump, valve, and diaphragm seal applications. They provide a barrier between two chambers. Diaphragms move slightly up into one chamber or slightly own into the other chamber, depending on differences in pressure. They may also vibrate when specific frequencies are applied. Applications for diaphragms include pumps and diaphragm seals; separating, actuating, and dampening mechanisms; measurement products; and fuel supply systems.
Diaphragms provide high flexibility and low hysteresis, a constant effective area, and a short reaction time in the event of a change in pressure. They are also extremely resistant to pressure, and provide benefits such as temperature resistance, permeation resistance, and tear resistance. Some diaphragms are resistant to commercially-available fluids and gases. Others exhibit no frictional loss when starting or when in operations. Maintenance- free diaphragms, lubrication-free diaphragms, and diaphragms with long service life are also available.
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