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Vacuum unit Al-1

Includes N – 0,25-3 vacuum diffusion pump and NVR-0,2 D rotary-vane vacuum pump. The unit is intended for creating high vacuum in closed volumes. As a working fluid may be used polyphenil ether.
Parameter Measure units Value
Pumping speed on air in the range of working pressures1 x10-3 – 2 Pa L/s 20-0,2
Ultimate pressure, not less Pa 1*10-4
Maximum consumed power, not over 200
Quantity of working fluid ml 70
Weight, not over kg 4,5

N – 0,025-4 vacuum diffusion pump

Intended for use in domestic helium leak detectors PTI-7, PTI-10, STI-1, TI-14, TI-17.
May be used for creating high vacuum for other purposes.
Ultimate pressure,Pa(mm* Hg)
1*10-4
Pumping speed in the range 6,5x10-4-2Pa,l/s
From 30 to 10
Consumed power,W*
200
Limiting forepressure, Pa
100
Heating up time, min
5
Weight,kg
4

NVR – 0,2D rotary-vane vacuum pump

Designed for pumping air, non-agressive, fire-proof and non-toxic gases, not containing condensed moisture out of hermetic volumes.
The pump is intended for creating low and middle vacuum and may be used for pumping from atmospheric pressure. 
Ultimate pressure,KPa(total)
6*10-3
Pumping speed ,l/s
0,2
Consumed power,W*
40
Voltage, V
380/220
Q-ty of working fluid
0,05
Weight,kg
3

N – 0,025-3 vacuum air-cooled oil diffusion pump


The pump is intended for pumping air, gases and vapour-gas mixtures, not containing condensed moisture, mechanical impurities and non-agressive to the pump construction material out of hermetic volumes.
It may be used for work in leak detectors, analytical devices and other branches of industry. 
Parameter Measure units Value
Pumping speed on air in the range of working pressures1 x10-3 – 2 Pa L/s 20
Ultimate pressure, not over Pa 1*10-4
Limiting fore pressure, not less Pa 100
Warming up time, not over min 5
Maximum consumed power, not over 200
Quantity of working fluid ml 20
Pumping speed of fore pump, not less L/s 0,21
Overall dimensions(height, length,width) mm 220x165x95
Weight, not over kg 2