Pumps and units Centrifice Artesian water 20A-18x1 (2.3, 4.5,6) are designed for pumping, as well as pumping from buried water tanks, and other liquids that are non -aggressive to ferrous metals and rubber, with the content of mechanical impurities of not more than 0.1% (by mass). The temperature of the pumped water is up to 308 K (35 ° C), other liquids - from 233 K to 353 K (from minus 40 to plus 80 ° C).
Pump units consist of an electric motor support housing, transmission and pumping parts. The pumping part is a centrifugal vertical with an axial fluid supply pump. The transmission part of type A pumps is a ripe with intermediate bearings connecting the pump with an electric motor and mounted inside the pressure pipeline. Structurally transmission part is made in the form of sections. Shaft connection
Transmission sections - threaded coupling.
Lubrication of the pumping and transmission parts of the pumped liquid is carried out. Lubrication of stubborn bearings - oil. Persistent bearings are installed in the support building.
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Size |
Name |
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|
Diameter worker wheels, mm |
feed, m3/s (m3/h) |
pressure, m |
Frequency rotations rpm |
Power |
The coefficient useful Actions The unit, efficiency, % |
Engine |
Power engine, kW |
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|
Pump |
The unit |
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|
20a-18x1 |
340 |
0.167 (600) 0.111 (400) |
28.0 |
1500 |
69.4 |
72.2 |
56 |
4AM250S4U2 |
75.0 |
|
12.0 |
1000 |
19.8 |
20.6 |
AIR200M6 |
22.0 |
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|
20a-18x2 |
56.0 |
1500 |
138.7 |
144.5 |
AIR315S4U2 |
160.0 |
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|
25.0 |
1000 |
41.3 |
43.0 |
AIR250M6 |
55.0 |
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|
20a-18x3 |
85.0 |
1500 |
210.5 |
219.3 |
57 |
AIR355S4U3 |
250.0 |
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|
38.0 |
1000 |
62.7 |
65.3 |
AIR280S6 |
75.0 |
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|
20a-18x4 |
113.0 |
1500 |
280.0 |
291.7 |
AIR355M4 |
315.0 |
|||
|
50.0 |
1000 |
82.6 |
86.0 |
AIR280M6 |
90.0 |
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|
20a-18x5 |
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