The steam powered pumps are designed to ensure emergency reactor cooling in the event of a complete station blackout and can function when fully submerged in water.

GEH has already shipped two units to TEPCO’s Kashiwazaki-Kariwa Nuclear Power Plant and two further units are scheduled to be shipped to the plant later this year. GEH has additional commitments to support systems for Chugoku Electric Power Co’s two Shimane plants, and Tohoku Electric Power Co’s Onagawa and Higashidori plants.
"We’re pleased to support the specific needs of our customers in Japan with this reliable safety enhancement,” said Lance Hall, senior vice president, Nuclear Services and Fuels, GEH.
GEH and ClydeUnion Pumps have a teaming agreement to offer the TWL pumps, which feature a unique and compact design, simplified turbine controls, reduced maintenance requirements and the ability to operate with no external electrical power.
Wilmington, North Carolina-based GEH, a provider of advanced reactors and nuclear services, is a global nuclear alliance created by GE and Hitachi in 2007 to serve the global nuclear industry.