Heysham 2 Nuclear Power Station

Description

Application/Problem

Existing bellows sealed globe valves on CO²/oxygen systems have interlocking systems that were unreliable.
Initially, we were contacted by NNC (now Amec) to advise the best solution.
It is impossible to fit interlocking devices to bellows sealed valves, and guarantee that when locked the valve is properly closed.

Solution

To change to top entry ball valves, but of a quality and material certification that is much higher than available with standard ball valve product.

Benefits

An order has now been placed with Heap & Partners for replacement valves, which will give the required performance and much more reliable interlocking systems.

Additional information

Industry

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