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The performance data of vavuum pump reachs working principle
From;    Author:Stand originally
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One, the performance data of vavuum pump
1, the ultimate intensity of pressure of vavuum pump
The unit of ultimate intensity of pressure of pump is Pa, it is to show pump is in entry point to the experiment is overspread and press rated condition job of the standard, below the case that does not introduce gas to work normally, the lowermost intensity of pressure with steady trend.
2, the bleed rate of vavuum pump
The bleed rate unit of pump is M3/s or L/s, it is to show pump is overspread of standard experiment, when working by rated condition, of the aeriform discharge that from the experiment the cover has shed and the balance intensity of pressure that in the experiment the cover points to to emplacement is measured than. Of abbreviation pump smoke fast.
3, the rate of air sucked in required of vavuum pump
The unit of rate of air sucked in required of vavuum pump is Pa M3/s or Pa L/s. It is the aeriform discharge of entrance pointing to pump.
4, the starting intensity of pressure of vavuum pump
The unit of starting intensity of pressure of vavuum pump is Pa, it is the intensity of pressure when showing pump starts to have bleed effect without attaint.
5, of pump before class intensity of pressure
Of vavuum pump before unit of class intensity of pressure is Pa, it is intensity of pressure of air pointing to a platoon the exit intensity of pressure of the vavuum pump under an atmosphere.
6, of vavuum pump the biggest before class intensity of pressure
Unit of intensity of pressure of the class before vavuum pump mouth is the biggest is Pa, it is to point to intensity of pressure of the class before exceeding what can make pump damages.
7, the intensity of pressure of the biggest job of vavuum pump
The unit of intensity of pressure of the biggest job of vavuum pump is Pa, it is the entrance intensity of pressure that points to corresponding the biggest rate of air sucked in required. Here intensity of pressure falls, pump can work continuously and do not worsen or damage.
8, compression ratio
Compression ratio is to point to those who give intensity of pressure of exit intensity of pressure of gas and entrance pump is right than.
9, He coefficient
On area of pump bleed passageway smoke actually fast shed calculative theory to smoke by molecular have diarrhoea with the place fast than.
10, smoke fast coefficient
Of pump smoke actually fast shed calculative theory to smoke by molecular have diarrhoea with pump entry point fast than.
11, return stream rate
Of pump return shedding rate unit is G/cm2.s. It is when showing pump works by rated condition, the pump that passes area of pump entrance unit sheds mass flow rate.
12, vapor allowance
The allowance unit of vapor is Kg/h, it is to show pump is below normal ambient conditions, the pump that enrage a town can take the vapor mass flow that divide when successive job.
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