PTA-3750 & PTA-3800 Horizontal, Centrifugal - nempump.comnempump.com

PTA-3750 & PTA-3800 Horizontal, Centrifugal

Boiler feed pumps

horizontal, centrifugal, with plain bearings and shaft sealing by means of mechanical seals (in case of PEA 250-80-3: horizontal, ring-section, centrifugal, with oil-bath lubricated plain bearings and shaft sealing by means of single mechanical seals; axial thrust compensation by balance disc; flanged nozzles).

Pump make Equipment applications Technical data Safety class / Seismic stability category / Climatic version
Capacity, m3/h Head, m Type of drive & its parameters
PTA 3750-75-2 Designed as a boiler feed pump to deliver de-aerated water from gas-extractors (degasers) to steam generators in NPS power units equipped with a VVER-1000 PWR and turbine K-1000-60/3000-2 3400 635 Turbine n=3114 rpm P nom.=6285 kW 3 / IIб / ТB3
PTA 3750-75-3 Designed as a boiler feed pump to deliver de-aerated water from gas-extractors (degasers) to steam generators in NPS power units equipped with a VVER-1000 PWR and turbine K-12-1,0 ПА-1 or ОК-12А for Rostov NPP and К-10-0,5 ПА-1 in case of Kalinin NPP 3750 860 Turbine n=3409 rpm P nom.=9603 kW 3 / II / УХЛ4
PTA 3800-20-2 Used as a boiler feed booster pumps to deliver feed water from the de-aerator (gas extractor) to PTA 3750-75-2 and PTA 3750-75-3 BFPs respectively for providing a greater available NPSH to the main pumps for their cavitation-free operation 3450 134 Turbine n=1602 rpm P nom.=1280 kW 3 / IIб / ТB3
PTA 3800-20-3 3800 160 Turbine n=1753 rpm P nom.=1680 kW II /УХЛ4

PTA

Design by "TriA"