Directly Acting Pipeline SM Devices for Nuclear Power Plants
2000
The paper is focused on specific features in operation of NPP pipeline devices (PD), principles of their control, recommendations on the use of passive devices, possibility to apply shape-memory (SM) devices manufactured using SM alloys. Flat-annular fixing sealing elements for protection of welded joints and easy installation of seats are discussed. Flow stop devices (FSD) with a direct impact of coolant on the working members are considered. FSDs with a break of electrical control circuit are discussed.
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