Feed water pumps

Feed water pumps

Application: Pumps of ПЭtype and pump units of АПЭtype are designed to supply water to stationary steam boilers of TPS thermal power units, provide feed water with temperature up to165° C to boiler houses and steam-generating plants.

Design: Feed water pumps of ПЭ type are centrifugal, horizontal, single-flow, multi-stage, single-casing sectional and double-casing with removable inner casing of section type. Outboard frictionbearingswithcrankcaseor forcedlubrication system, depending on consumed power, are rotor supports. Discharge from axial force-hydraulic with the help of hydraulic balancing device. Shaft seals- mechanicalwithgland packingwith supply ofcooling water(-C), interchangeable with mechanicalend caps(-T).

Materials:

  • casing, covers and sections – forgings from carbon steel;
  • flow parts – castings and forgings from chrome steel 20Х13Л& 30Х13;
  • groove seals parts – non-tearing corrosion resistant alloys;
  • shaft – long steel from structural alloy steel 40Х.

 

Completeness of set:

  • assembled pump with auxiliary piping within pump;
  • counter-flanges on branch pipes;
  • electric drive motor;
  • connecting coupling (of either МУВП or МУП type or tooth-type coupling) with grating;
  • protection grid;
  • throttling device;
  • lubrication unit (for pump units АПЭ 250 &АПЭ 270);
  • overall foundation frame;
  • fastening parts of pump, motor and coupling grating;
  • set of spare parts.

 

Completeness of set shall be specified in purchase order.

Q-H PARAMETERS RANGE OF ПЭ PUMPS, NOMINAL PARAMETERS OF ПЭ FEED WATER PUMPS OF SERIAL DELIVERY:

Designation Pumps parameters
Supply, m3/h Head, m Rotational frequency, rpm Power, kW(r=902,4 kg/m3) Power, kW(r=1000 kg/m3) Efficiency, % NPSH, m
PumpПЭ 65-28-СУХЛ4 PumpПЭ 65-28-ТУХЛ4 65 290 2960 70.2 77.8 66 4
PumpПЭ 65-32-СУХЛ4 PumpПЭ 65-32-ТУХЛ4   330 2960 80 88.6    
PumpПЭ 65-40-СУХЛ4 PumpПЭ 65-40-ТУХЛ4   440 2960 106.6 118.1    
PumpПЭ 65-53-СУХЛ4 PumpПЭ 65-53-ТУХЛ4   580 2975 140.5 155.6    
PumpПЭ 100-32-СУХЛ4 PumpПЭ 100-32-ТУХЛ4 100 330 2970 119.3 132.2 68  
PumpПЭ 100-53-СУХЛ4 PumpПЭ 100-53-ТУХЛ4   580 2980 206.7 229 69  
PumpПЭ 150-53-СУХЛ4 PumpПЭ 150-53-ТУХЛ4 150 580 2970 301.3 333.9 71 5
PumpПЭ 150-63-СУХЛ4 PumpПЭ 150-63-ТУХЛ4   700 2970 363.7 403