Catalog excerpts
Check valves
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66 INSTALLATION The valves can be installed in any section of a refrigerating system, where it is necessary to avoid an inversion of the refrigerating flow, in compliance with the limits and capacities indicated in table 3. Table 1 shows the following functional characteristics of a check valve: – PS; – TS; – Kv factor; – minimum opening pressure differential, that is the minimum pressure differential between inlet and outlet at which a check valve can open and stay opened. Before connecting the valve to the pipe it is advisable to make sure that the refrigerating system is clean. In fact...
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