Vacuum pump unit system of maximum allowable leakage rate

maximum allowable leakage rate of the vacuum system, vacuum water pump of the maximum allowable leakage rate

request not leak vacuum suction unit is not only impossible, but it is also unreasonable. As long as the hole leakage rate is small enough, that is,

the amount of gas leakage into the harmless in the normal work of the vacuum equipment, is allowed. Vacuum equipment to work normally, the maximum allowable leakage rate is known as the maximum allowable leakage rate, referred to as 'allows the leakage rate, for the QLP. This value is not only the design of a main indicator, also be the basis of leak detection.

hole leakage rate is below the dew point a 25 & deg; C air, the inlet pressure of normal atmospheric pressure ( 105Pa) Temperature, outlet pressure is lower than l03Pa, 23 & plusmn; 3° C through hole leakage flow, the unit for Pa. m3 / s。

for dynamic vacuum system, is the equilibrium pressure can achieve the required degree of vacuum, then even if there is a gas leak is allowed ( Or that is not leak) 。 Maximum working pressure for the Pmax set vacuum equipment, the effective pumping speed of extraction system on the equipment for the S, the vacuum equipment of vacuum system of maximum allowable leakage rate is

qIp = 0. lpmaxSe。 ( 2 - 58)

for static vacuum system, insist on at a given time interval, the pressure inside the system can maintain the allowed under vacuum, can also think the system is not leak. 1 ( pmax - pi) V／t( 2 - 59)

some of the vacuum system of the maximum allowable leakage rate - refer to table 2 19.

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the maximum allowable leakage rate of the vacuum system and maximum allowable leakage rate of the vacuum pump technology news articles written by professional water pump.

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