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E-mail: snm-2008@ukr.net
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Skype: Soyuznasosmash Equipment

Purpose

Pumps artesian oily-water type 12NA-9x4 (1,2,3,5,6), designed for pumping, as well as pumping from underground reservoirs of oil and oil products, weighing not more than 0,97h103 kg/m3, with a kinematic viscosity of 0, 01h10-4 to 0,8h10-4 m2/s, having solids up to 0.2 mm, the volume concentration of less than 0.2%. Temperature of oil pumped from 258 to 353 K (minus 15 to plus 80 C), a viscosity of not more than 4h10-4m2/s. The pumps are manufactured in climatic version and category of placing U1; U2; V3; UHL4; T2; T3, OM2, T5, when operating in accordance with GOST 15150-69.

Pumps, composed of units in accordance with GOST 27.003-90, are general-purpose products, type 1, is recovered.

The units are made in industrial explosive performance and are used to pump petroleum products in potentially explosive and fire hazardous industries and installations.

Design

The pump consists of three main components: a pump part, a pressure column and a support strut. The electric motor is mounted on the support column. Centrifugal pump, sectional, vertical axial intake of liquid. The stator of the pumping unit consists of buildings suction sections and interconnected via pins. pump section housing a directing device with spatial blades providing axial liquid input to the next impeller, to prevent twisting of the flow in front of the first impeller in the intake pipe has radial ribs. Impellers mounted on a vertical shaft on the tapered split sleeves. Impellers mainly discharged from the axial forces arising during operation of the pump. For this purpose, the rear disc (wheel stage) are holes with a diameter of 10 mm. In the case of each section of the pump and the suction pipe mounted bearings, lubrication which produced the pumped oil products. Plain bearings bronze bushings, shafts - 30X13 (can substitute material adapted to the specific conditions of use), the material flow part - cast iron.

Number countershaft units depends on the length of the discharge column.

The connection of individual links of the intermediate shaft by means of threaded couplings, cutting direction which is opposite to the direction of rotation of the pump shaft in order to avoid loosening. The support column has thrusting his knee, joined the penstock. The shaft seal in place of the output from the pressure exercised knee single mechanical seal or packing with soft padding.

Pump-12NA 9x4a-05-4-M2 UHL4 TU U 28.1-38136281-001: 2014;

Designation

The unit pump A12NA-9x4a-05-4-M2 UHL4 TU U 28.1-38136281-01: 2014

Where:

A - The unit pump oily-water semi-submersible, Artesian;

12 - the diameter of the casing 25 in a reduced time, in millimeters;

ON - the oily-water semi-submersible pump, Artesian;

9 - Pump speed coefficient, reduced by 10 times;

4 - the number of stages (impeller) pump units;

and - first turning impeller (at nominal diameter is not specified);

05 - the number of sections of the transmission units (option immersion);

4 - the number of poles in a shaft speed of 25 s-1 (1500 / min);

M2 - the second modernization;

UHL 4 - climatic version UHL;

4 - the category of accommodation.

TU U 28.1-38136281-01: 2014 - the number of technical conditions for which the pump is made.

Indicators purpose products by parameters in nominal pumping operation when liquid with a density of 1000 kg / m and a temperature up to 303 K (30 ° C) and shafting speed 1500 rev / min and 1000 rev / min shall be as specified in the data table.

standard size

Name

Diameter

working

wheel

mm

Filing, m3/s

(M3/h)

head,

m

Frequency

rotation

/min

Power

Efficiency, %

Engine

Power

Of the engine, kW

pump

unit

12ON-9х1

217

0,222 (80)

0,148 (53)

10

1500

2,9

3,1

52

AIMM (VA)112М4

5,5

4

1000

0,8

0,81

АIММ 90L6У2

1,5

12ON-9х2

21

1500

6,2

6,4

53

AIMM (VA)132S4

7,5

9

1000

1,7

1,8

АIММ112МА6У2

3,0

12ON-9х3

32

1500

9,4

9,8

54

AIMM (VA)132М4

11,0

14

1000

2,7

2,9

AIMM (VA)112МВ6У2

4,0

12ON-9х4

43

1500

12,7

13,2

55

AIMM (VA)160S4

15,0

19

1000

3,7

3,9

AIMM (VA)132S6У2

5,5

12ON-9х5

54

1500

15,0

15,3

56

AIMM (VA)160S4

15,0

24

1000

4,75

5,11

АIММ132S6У2

5,5

12ON-9х6

65

1500

18,0

18,4

57

AIMM (VA)160М4

18,5

29

1000

5,6

6,13

АIММ132М6У2

7,5

Full range of products feature the following permits: TU U 28.1-38136281-001: 2014 (TU registered in the Ministry of Industrial Policy of Ukraine), Conclusion of the state sanitary-epidemiological expertise №05.03.02-07 / 1806 pumps and assemblies meet the requirements: TR CU 010 / 2011 "On the safety of machinery and equipment", TR CU 004/2011 "On safety of low voltage equipment" TR CU 020/2011 "Electromagnetic compatibility of technical means." Declaration of Conformity: TC number RU D-UA.AU04.V.15746. Resolution of Gospromanadzor №11-1-329-2013 the Republic of Belarus for the manufacture and use in the Republic of Belarus on the GPN objects.