NAS NM 2500

NAS NM 2500

Poles of oil mains Nm 1250 ... 10000 and electric pump units on the ikhosnovov are designed for transportation of oil through trunk pipelines. P>

Design

Poos type Nm 1250 ... 10000 - centrifugal horizontal single -stage spiral type with a double -sided entrance work wheel, equipped with a forced lubrication bearings. The pump NM 10000-380-2 In addition, a bilateral stubborn bearing of the Mitchell type sliding is used.

end seals of the rotor-mechanical ends single with hydraulic unloading and additional slit seal in accordance with the API 682. In the NM 10000-380-2 pump, double end seals of the Burgman company with the operational support system are used.

oil entering the cooling of ends seals, is cleaned in a cyclone separator. For the perception of radial loads, supporting sliding bearings with high bearing capacity are used, and for the perception of axial loads-double radial-assemblers of rolling SKF.

Twisting torque from the engine to The pump is carried out using an elastic plate coupling.

Synchronous are used as pump drives. or asynchronous explosion -proof engines.

units consist of a pump, explosion-proof engine, elastic plate coupling, fencing of an elastic plate coupling, a common oil mount with pipelines within the oil supply unit, as well as drain drain pipelines.

units admit the supply of pumping pumps and engine on a single hard foundation frame.

parameters of the pumped environment

Technical characteristics
temperature, ° С -10 ... + + 10 ... + 50
density at 15 ° C, kg/m 3 800 ... 900 < /span>
Mass share of mechanical impurities, % no more 5 ... 100 < /span>
The maximum volumetric concentration of solid inclusions, % 0.05
The maximum linear size of solid particles, mm 0.4

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Mark feed, m³/h Press, M allowed cavitation reserve, m Rotation frequency, rpm Power power, kW PPD pump, %
Nm 2500-230- 2.1 2500 230 32 3000 1548 87
Nm 2500-230A- 2.1 2300 195 32 3000 1207 87
Nm 2500-230B- 2.1 2190 176 32 3000 1038 87
Nm 2500/0, 5-230-2.1 1250 220 25 3000 805 80
Nm 2500/0, 7-230-2.1 1800 225 27 3000 1143 83
Nm 2500/1, 25-230-2.1 3150 225 46 3000 2024 82