Safety and Refrigeration Manifold Sight-Glasses

The guidance is clear, if you are a refrigeration engineer and need to leak detect or undertake strength testing on a refrigeration system, then you should not be using a refrigeration manifold with a sight-glass. This is the advice from the HSE – (A Study of Current Working Practices for Refrigeration Field Service Engineers 2011) and the IOR (Institute of Refrigeration – Good Practice Guide 24).

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