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English to Chinese translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / 泵
English term or phrase:dampener
Pulsation dampeners are available as:
- non-regulated gas dampeners
- regulated diaphragm pulse dampeners
UNon-regulated gas dampeners are set to a specific working pressure. This type of dampener cannot be regulated and does not work under the preload of the gas charge. To separate product and gas charge, a diaphragm is installed that prevents the gas charge from dissolving and having to be refilled constantly. The diaphragm‘s pressure is balanced above the preload pressure; below it, the diaphragm moves to the wall of the dampener and uses it as a support. The position of the gas dampener’s diaphragm receptacle at the top or bottom affects the service life of the diaphragm. If the diaphragm receptacle is at the top, the product can become lodged between the diaphragm and the dampener wall. The diaphragm constantly rolls over the built-up layer and becomes worn when the spot is so damaged that gas starts to leak. With corrosive fluids, the dampener case must also be selected carefully.
Dampeners with the diaphragm receptacle on the bottom do not have the problems with the built-up layer and the adjustment to the fluid to the same extent. The bottom flange and the diaphragms must be selected carefully to match the product.
Regulated gas dampeners adjust to the respective pressure conditions automatically, i.e., nondamped pulsation does not occur. This type of dampener is a combination of the open pulsation dampener and the gas dampener.