NST Monoblock Rotary-vane Vacuum Pump
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Monoblock Rotary-vane Vacuum Pump is a kind of new pump, which is designed on the basis of rotary-vane vaccum pump through major reforms of structures, materials and manufacturing process.
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Monoblock pump has the features such as small size, light weight, small vibration and low noise etc. It is suitable for the installation in the use of precision instrument and equipment.
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Monoblock pump is directly driven by three-phase or single-phase AC motor.
It can be used alone, and also can be used as prepump for various vacuum system.
Accompanied by gasballast equipment, monoblock pump could extract a quantity of condensable gas.
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Monoblock pump can not be used as compression pump or delivery pump to extract dusts, corrosive and explosive gas.
Features:
● Smaller size, lighter weight
● Lower noise, less vibration
● Easy Starting with oil-backstreaming preventing when pump stopped.
● Inlet connection of quick release flange with mouth.
● With gasballast valve, a small quantity of water vapor could be extracted.
Main specifications：
| Model |
2XZ—0.5
|
2XZ—1
|
2XZ—2
|
2XZ—4
|
2XZ—8
|
| Pumping speed L/s |
0.5
|
1
|
2
|
4
|
8
|
| Ultimate pressure ≤Pa |
Without gas ballast
|
≤ 6×10-2
|
| With gas ballast |
≤6.5
|
≤1.33
|
| Speed r.p.m |
1440
|
1420
|
| Motor power kw |
0.18
|
0.25
|
0.37
|
0.55
|
1.1
|
| Bore of air inlet ports mm |
16
|
16
|
KF25
|
KF25
|
KF40
|
| Temperature arise ℃ |
≤40
|
65
|
45（1）
|
| Oil capacity L |
0.65
|
0.55
|
0.61
|
0.80
|
1.8
|
|
Overall
dimensions mm
|
L |
445
|
445
|
488
|
528
|
590
|
| B |
130
|
130
|
145
|
145
|
235/298（1）
|
| H |
254
|
254
|
280
|
250
|
456
|
| Weight （three-phase machine） kg |
13.5
|
15
|
20
|
23
|
48.5/52（1）
|
| Lp/Lw dB(A) |
64
|
66
|
68
|
70
|
76
|
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