ПД Series Double Flow Axially / Radially Split
The boiler feed booster pumps are installed upstream of boiler feed pumps to deliver feed water with the pumping temperature of max. 165°C at the power units in TPS’s to ensure a cavitation-free operation of the main pumps.
ПД 650-160: motor-driven horizontal single-stage axially split (radially split in case of ПД 650-160-2) volute-casing centrifugal pumps with a double entry radial impeller. Pump nozzles oriented horizontally to the opposite sides. The pump rotor is carried by the oil-ring lubricated plain bearings. Shaft sealing: packed glands.
ПД 1600-180-2: turbine-driven horizontal single-stage radially split volute-casing centrifugal pumps with a double entry radial impeller. The discharge nozzle horizontally sideward, the suction nozzle vertically to the bottom. The pump rotor is carried by the pressure lubricated plain bearings. Shaft sealing: mechanical seals.
Additional and technical information
| Pump make | Capacity, m3/h | Head, m | Ratational speed, rpm | Motor nominal power,kW |
| ПД 650-160 | 650 | 158 | 3000 (synchr.) | 324 |
| ПД 650-160-2 | 650 | 158 | 3000 | 303 |
| ПД 1600-180-2* | 1660 | 194 | 2100 | 954 |
| ПД 1600-180-2а** | 1050 | 184 | 2100 | 633 |
| ПД 1600-180-2а*** | 1240 | 158 | 2000 | 618 |
* for TPS 800 MW power units
** for TPS 500 MW power units
*** for TPS 320 MW power units
