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Horizontal pumps

Horizontal sand pumps of ПР type in gummed version with the central suction mouth are designed for dressing products pumping with the mass density up to 2.2 t/m3 and the volume concentration up to 35% with hard inserts of the coarseness up to 2 mm (separate inserts up to 6 mm) and hydrogen index of the transported environment with рН 5.5—12. The pumps construction is designed for operation in closed premises at the ambient air temperature from +5 to +60°С.
Special features of the pumps are special harmony of the impeller flow channels and lining implementation from special kinds of rubber which in combination with V-belt drive allowing to perform the selection of the optimal number of the impeller rotations significantly increase the operating device resource.
The possibility of the bearing unit movement allows to provide minimum gap between the impeller and the suction part which improves hydrodynamic of the pumps flow part.
The pumps are easy to maintain and operate. The pumps construction allows to perform the repair both in the installation place and in the repair zone.
SPA «RIVS» offers all the above-mentioned electric pumping devices in set with frequency converters allowing to perform regulation of the rotation quantity for optimal productivity selection. On demand of the customer, equipping with sumps, contact bowls with the pumping material pumping level maintenance (АСУ-ЗФН) with automatic mode transferring to the backup pump is possible in case of the main one failure.

 

PR160/32

PR250/28

PR400/35

PR800/31,5

PR1250/31,5

Productivity, m3/h

50÷160

200÷400

250÷600

400÷1000

700÷1800

Pressure, m (in the water)

15÷28

20÷30

25÷40

20÷40

20÷40

Диаметр напорного патрубка, мм

100

200

200

250

300

Частота вращения рабочего колеса, мин -1

900÷1200

650÷800

800÷950

500÷900

600÷800

Electric engine power, kW

22÷30

55÷90

90÷132

132÷200

200÷315

Dimensions, mm
length
width
height


1315 
707
1300


1700
1523
1865


1700
1523
1895


2345
1340
1635


1930
2400
1410

Weight, kg

850

2320

2623

4100

5120



General operational characteristics of the pumps of PR type on water

PR 1250/31,5

PR 800/31,5 

PR 400/35(PR 250/28)

PR 160/32

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