Web1 Jan 2012 · Led development and NRC approval of SHIELD® Shutdown Seal, a revolutionary passive safety device that eliminates Achilles heel of … WebThe SHIELD passive thermal shutdown seal is a fail-safe protection that will significantly reduce or eliminate leakage from the reactor coolant pump (RCP) seal, and no operator …

ANALYSIS OF THE DAMAGE DOMAINS OF SBO SEQUENCES WITH RCP PASSIVE …

Web25 Oct 2016 · This activity resulted in a new seal package design that includes: (1) an advanced high temperature resistant, three stage, Type F seal, (2) a passive thermal check valve (PTCV) intended to passively isolate the RCP controlled bleed-off (CBO) line to maintain RCS inventory, and (3) a back-up fourth stage shaft seal called the “Stand-still” … WebSeals n° 2 and 3 provide the residual pressure drop, with a small leak to the draining and venting circuit (RPE) [NVDS]. In the event of a failure of seal N°1, seal N°2 takes over for a limited period enabling the GMPP [RCP] to be stopped and the reactor to be shut down or the standstill seal system to be activated. brothers red barn santa ynez ca

Reactor Coolant Pumps (RCP) Advanced Sealing Technology

WebSigma™ reactor coolant pump (RCP) seal. As highlighted below, this innovative product has been designed and tested to deliver up to 12 years of continuous operation and reliable … WebPassive Shutdown Seal (PSDS): With more than 50 cumulative years of operations in the United States, Europe and Asia, the PSDS is an additional safety system for existing … brothers red barn restaurant