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Pipeline Oil Pumps

Multistage Segmental

Designed for transporting crude oil and refined oil products at pumping temperature up to 80C through long-distance pipelines and products lines and can be installed at oil pumping plants to generate the required head in the long-distance pipelines to match the system requirements.
Electrically driven horizontal multistage ring-section centrifugal pumps. Single flow impeller arrangement, with all the impellers facing the same way. 
The pump rotor is carried by the plain bearings with forced oil lubrication. Shaft sealing: mechanical seals.
The pumping units are made either in the climatic version У (for areas with a temperate climate), the location category 2 (under roof) at the lowest ambient temperature of minus 29C or in the climatic version УХЛ (for areas with a temperate and cold climate), the location category 4 (in case of II 500-800, NM 1250-400) according to ГОСТ 15150-69.

NM

Pump
make

Capacity,
m3/h

Head,
m

Rotational speed,
rpm

Power of
motor, kW

Pipeline Oil Pump NM 125-550

125

550

3000

315

Pipeline Oil Pump NM 125-550

125

550

3000

400

Pipeline Oil Pump NM 180-500

180

500

3000

400

Pipeline Oil Pump NM 180-500

180

500

3000

500

Pipeline Oil Pump NM 250-475

250

475

3000

500

Pipeline Oil Pump NM 250-475

250

475

3000

630

Pipeline Oil Pump NM 360-460

360

460

3000

630

Pipeline Oil Pump NM 360-460

360

460

3000

500

Pipeline Oil Pump NM 360-460

360

460

3000

800

Pipeline Oil Pump NM 500-300

500

300

3000

630

Pipeline Oil Pump NM 500-300

500

300

3000

500

Pipeline Oil Pump NM 500-300

500

300

3000

800

Pipeline Oil Pump NM 710-280

710

280

3000

800

Pipeline Oil Pump NM 710-280

710

280

3000

1000


Radially Split Barrel

Electrically driven horizontal multistage radially split diffuser barrel-casing centrifugal pumps with a withdrawable cartridge of ring-section type. Single flow impeller arrangement, with all the impellers facing the same way. The pump rotor is carried by the plain bearings with forced oil lubrication. Shaft sealing: mechanical seals.

Pipeline Oil Pump NM model

Pump
make

Capacity,
m3/h

Head,
m

Rotational speed,
rpm

Power of
motor, kW

Pipeline Oil Pump NM 500-800

500

300

3000

1600

Pipeline Oil Pump NM 1250-400

1250

400

3000

1600


Turbine- or motor-driven horizontal barrel-casing centrifugal pumps with a withdrawable cartridge of multistage ring-section type. Single flow impeller arrangement, with all the impellers facing the same way. The pump rotor is carried by the pressure oil lubricated plain bearings. Shaft sealing: mechanical seals with external heat exchangers. By providing an inducer upstream of the first stage impeller a high suction capacity is obtained and cavitation wear of hydraulic parts is reduced. Pullout construction allows removal of the rotating element without removing the complete pump.
Major pump components are made of Class S-6 carbon and high alloy steels in compliance with the international standard API 610 (8th Edition).
Standard schedule of supplies includes a driver, a METASTREAM metallic membrane coupling, a speed-varying device, a pressure lubrication installation and an automatic control system. Optional hydraulic torque wrench is required for tightening nuts for main cover joint.
 

Pump
make

Capacity,
m3/h

Head,
m

Rotational speed(synchr.),
rpm

Power of
motor, kW

Pumping
temperature, C

Pipeline Oil Pump NM model

1000 to 1800

550 to 850

2660 to 2980

5000

5 to +50


Double Flow Axially Split

Electrically driven horizontal axially split volute casing centrifugal pumps with a double entry impeller. Shaft sealing: mechanical seals. The pump rotor is carried by the pressure oil lubricated plain bearings. The residual rotor axial thrust is absorbed by a angular ball bearing.
Can be used with replacement rotors for partial capacities (50 to 70 per cent of the rated value).

NM

Pump
make

Capacity,
m3/h

Head,
m

Rotational speed,
rpm

Power of
motor, kW

Pipeline Oil Pump NM 1250-260

1250

260

3000

1250

Pipeline Oil Pump NM 2500-230

2500

230

3000

2000

Pipeline Oil Pump NM 3600-230

3600

230

3000

2500

Pipeline Oil Pump NM 7000-210

7000

210

3000

5000

Pipeline Oil Pump NM 10000-210

10000

210

3000

6300