Centrifugal multistage mine pumps of НСШ 500

Centrifugal multistage mine pumps of НСШ 500 type are designed for pumping of chemically non-aggressive and neutral slightly contaminated fluids on dewatering plants with inflows 350-500 m3/hour and physical height of water corresponding to head at nominal conditions (taking into account network resistance).


 Physical and chemical properties of pumped medium

Temperature, К (°С), no more 318 (45)
Maximum size of solid particles, mm, no more 0,2
Content of mechanical impurities, kg/m³, no more 5
рН index 6,5…8,5
Total concentration of sulphate and chloride, g/l, no more 20
Microhardness of solid particles, GPа, no more 1,47

Technical Data

Designation Capacity,
m³/hour (m³/s)
s-1 (rpm)
NPSH, m,
no more
no more
НСШ 500-273У 500 (0,1389) 273 24,6(1475) 630 4 72 2790
НСШ 500-990 990 2000 5207

Note: 1. Allowable deviation of head from rated value is +5%, -3;%.
2. Efficiency is design value.

The example of pump designation

«Pump НСШ 500-273У»,
«Pump НСШ 500-990»,
НСШ – multistage mine pump; НСШ – multistage mine pump;
500 – standard capacity, m³/hour; 500 –  standard capacity, m³/hour;
У – carbon version 990 – head, m

 Delivery scope

 – pump of НСШ 500-273У…990 type;
 – coupling;
 – spare parts set;
 – tools set.

Main components material

 – inner flowing part; – steel 20Х13Л as per GOST 977-88 (for НСШ 500-273У – carbon steel);
 – shaft;  – steel 40ХФА as per GOST 4543-71;
 – suction and discharge covers – steel 25Л-1 as per GOST 977-88

The Company improves the pumping equipment and equips pumping units with the motors of different manufactures. Thereby when ordering, please specify overall and mounting dimensions and required parameters according to the recommended form of a Questionnaire.

When ordering the equipment which is been interested in, please fill in the Questionnaire.