NMN type pumps

NMN type pumps

Oil main pump NMN 1000-210

Designed for supplying oil and oil pipelines with temperature from minus 10 ° in systems C to plus 50 ° C, kinematic viscosity no more (5-300) x10-6 m2/s.

It can be operated in closed rooms at ambient temperatures from plus 1 ° C to plus 40 ° C without constant presence of service personnel; In the explosive and fire hazardous zones of class 2 according to GOST R 51330.9-99 and class B-1A according to PUE, in which the formation of explosive mixtures of category IIA according to GOST R 51330.11-99, an explosive mixture of T3 according to GOST R 51330.5-99 and PUE.

Using interchangeable rotors, the pump can operate on various feeds - Q = 12500m3/h, 7000 m3/h, 5000 m3/h

Oil main pump NMN 1250-400

Designed for pumping over the main pipelines of oil and oil products. The pump is centrifugal, horizontal, four -speed with hydropolitan. As an asynchronous explosive engine type 4AMV-1600/6000 U2, an asynchronous explosive engine should be used as a pump.

& nbsp;

Parameter

NMN 10,000-210

Rotor I

The main rotor

Rotor II

Rotor III

Feed, m 3 /h (m 3 /s)

12500 (3.48)

10,000 (2.78)

7000 (1.95)

5000 (1.39)

Ples, m

210 ± 6

210 ± 6

210 ± 6

205 ± 6

Permissible cavitation reserve, m (oil)

97

65

60

45

Rotation frequency, rpm

2985

2985

2985

2985

Sucked environment:

Temperature, ° C

from minus 10 to plus 50

Density, kg/m 3

830 ÷ 900

Viscosity, CST

5-300

5-300

5-300

5-300

PPD pump, % (for oil)

87 ± 1

90 ± 1

84 ± 1

80 ± 1

The power of the pump, consumed, KW, no more (for oil)

7555*

5722

4306

3160

& nbsp;

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Parameter

NMN 1250-400

Temperature, & nbsp; o s

with

Minus 5 ÷ plus 80

Feed, m 3 /s (m 3 /h)

0.347 (1250)

Ples, m

400

Pressure at the entrance to the MPA pump, (kgf/cm 2 ), no more than

4.5 (45)

Power consumed by the pump, kW, no more

1518

Rotor rotation frequency (synchronous), with -1 & nbsp; (rpm)

50 (3000)

The efficiency of the pump, no less, %

83

Permissible cavitation reserve, m

35

The mass of the pump, kg

5310 ± 200