Pumps for nuclear power stations are divided into two groups by operating conditions: the pumps which are working in the station heating circuit and water treatment system pumps.
The pumps are designed for pumping a variety of chemically active and neutral liquids in technological systems of nuclear power stations. Pumps are 2, 3, 4 safety classes, according to НП-001-97, as well as I, II, III seismic category for НП-031-01 and are able to withstand the intensity of the earthquake of up to 7 by the scale of seismic intensity MSK-64.
Types of the supplied pumps:
1. Pumps ‘Х-А-Ж’, ‘АХ-А-Ж’, ‘ АХП-А-Ж’, ‘ХМ-А-Ж’.
Centrifugal pumps type ‘X’, ‘АХ’, ‘АХП’, ‘XM’ are manufactured for nuclear power plants by ‘Х-А-Ж’, ‘АХ-А-Ж’, ‘АХП-А-Ж’, ‘ХМ-А-Ж’, where A means for nuclear power station, Ж - for areas with high seismic activity and designed for pumping a variety of chemically active and neutral liquids in technological systems of nuclear power stations. Pumps are 2, 3, 4 safety classes, according to НП-001-97 and provide trouble-free operation of the equipment in the range not exceeding the established design basis accidents limits.
The pumps are made with I, II, III seismic durability category for НП-031-01 and are able to withstand stresses caused by dynamic fluctuations in the system, and the load resulting from the displacement of support equipment and pipelines at the intensity of the earthquake of up to 7 by the scale of seismic intensity MSK-64.
2. ЦНА pumps.
Designed for pumping desalinated water in the cooling system of diesel generator of diesel power station.
Electric pump units consist of mounted on a common base frame pump and motor connected by elastic coupling.
It is used in nuclear power stations for pumping liquids in various technological systems of I and II loop of nuclear power stations.
Features and benefits of ЦНА pumps:
· improved hydraulics;
· easy-changing cartridge shaft seal (double or single);
· reinforced bearing units;
· designed for use in nuclear power stations;
· manufactured in earthquake-resistant design.
3. Submersible pumps НПХ 2/25-К.
Designed for pumping sewage of various chemically active and neutral liquids, including sewage of technological systems of nuclear power stations, weighing not more than 1850 kg/m3.
In the pumped liquid the content of solid inclusions with a volume concentration of 0.1% with a particle size of 0.2 mm is allowed.
Fluid temperature - from 0 ⁰С to plus 80 ⁰С, ambient temperature - from - 40 ⁰С to + 40 ⁰С.
The electric pump is available in earthquake-resistant design. Seismic category III, II in accordance with НП-031-01.
Теl.: +7 (495) 708-43-30 ext. 214
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