2XZ Series Chemical Vacuum Pump System With Best Price And Popular Use

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Construction

2XZ type rotary vane vacuum pump is two stage high speed direct drive rotary vane vacuum pump.

Principle is as same as that of 2X type pump .Rotors are eccentrically mounted within the cylindrical housing of the stators and vanes are fitted freely inside the respective slots of the rotor. When the rotor rotates at high speed, vanes in the rotor slot are urged outwards by centrifugal force as well as by spring force so as to keep close contact at their tips with the stator wall throughout rotation .Thus the inlet port and outlet port on the stator are separated by them. The volume of the space leading to the inlet port expands progressively and periodically with gas filling the space through inlet pipe,meanwhile the volume of the space leading to the outlet port diminishes progressively and periodically to compress the gas previously sucked .By means of gas pressure and oil pressure exhaust valve on the outlet port is opened to expel gas out of the pump through the valve, then vacuum is obtained at the intake side of the pump .Fig 1shows the working principle of a single stage pump .Double stage pump is the arrangement of two single stage pumps in series .When the intake pressure is higher, both stages of the pump may exhaust simultaneously ,while at lower suction pressure gas is first expelled out from first stage to second stage,then from second stage exhausts to the open air .

2XZ type pump is equipped with gas-ballast valve. Its function is to fill the exhaust space with certain amount of air ,when the valve is open ,so to reduce the proportion of the partial pressure of vapor in the total discharge pressure .As the partial pressure of vapor is lower than that of the saturated vapor pressure corresponding to the working temperature of the pump, vapor can be discharged from the pump with the filled air in order to avoid condensation of vapor in the pump oil and to prevent oil from emulsifying by the condensed vapor so as to prolong the useful lift of oil .However the ultimate vacuum of the pump shall drop ,and the temperature of the pump shall rise when the gas-ballast valve is open .

2XZ type pump has the outstanding achievements of small size, less weigh ,quiet operation and easy to start .Besides devices to prevent from sucking back of oil and leakage of oil from axle sealing to contaminate environment are also provided.

Model
2XZ-0.5
2XZ-1
2XZ-2
2XZ-4
Sucking Rate
0.5L/S
1L/S
2L/S
4L/s
Voltage
220V/50Hz
220V/50Hz
220V/50Hz
220V/50Hz
Ultimate vacuum
6*10 -² Pa
Motor power
180W
250W
370W
550W
Rotating speed
1400rpm
Oil temperature rise
>40℃
Noise
<65dB
Oil capacity
0.40L
0.42L
0.48L
0.55L
Dimension
445*125*256mm
478*148*277mm
530*250*350mm
Weight
18kg
19kg
22kg
24kg
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Certifications
Company Profile
Packing & Delivery
Type

Fuel & Oil Transfer Pumps, Booster Pumps, CHEMICAL PUMPS, HVAC Condensate Removal Pumps, Circulating Pumps, Centrifugal Pumps, Vacuum Pumps, Jet Pumps, VACUUM PUMPS

Maximum Head

10m

Maximum Flow Rate

240L/Min

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