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Recirculation system RER

recirculation system
recirculation system
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Description

Applications: Reactor coolant recirculation in nuclear power stations (PWR). RERs produced by KSB have been used in most of nuclear power plants around the world, including Isar 2, Germany, Palo Verde, USA, Angra 2 & 3, Brazil, Qinshan 1, China, Ulchin, South Korea, Barakah, AUE, etc. RER is KSB’s classic four bearing design RCP, featuring flexible connection between motor and pump, independent dynamic characteristics of pump and motor rotors and low vibration of pump set. In addition, it has the following advantages: Ø 100% tightness l Improved 3 mechanical seals (double-redundant) plus 2 standstill seals to withstand the SBO condition Ø Integrity under upset conditions l Cooling of mechanical seals through thermosyphon effect l Newly-developed Passive Thermal Control Valve to ensure integrity of primary loop through closing control leakage line in several minutes without any supply of power or nitrogen under SBO condition Ø Operational safety l Medium-lubricated guide bearing Ø Perfect rotor alignment l Through Hirth-type serration of connections Ø Optimized hydraulics l Tailor-made impeller/diffuser combination l Model and full-load performance tests
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.