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The SV1 and SV2 types are safety devices according to the definition given in Article 1, Point 2.1.3, 2nd dash of 97/23/EC Directive and are the subject of Article 3, point 1.4 of aforesaid Directive. Their function is to protect the equipments such as evaporators, condensers, liquid accumulators, liquid receivers, oil separators, positive displacement compressors, heat exchangers and simple unfired pressure vessels (ref. to Directive 87/404/CEE) to against possible overpressures with regard to the operating conditions for which they have been designed. These are unbalanced standard direct loaded, safety valves. Valve opening is produced by the under pressure fluid on the surface of the obturator, when the thrust, under setting condition, exceeds the opposing force of the spring acting on the obturator.
Valves are identified by an alphanumerical coding that includes:
in the first part the family identification e.g. SV1
in the second part the type identity, that depending on the inlet and outlet connections; for example: /24
in the third part, the set pressure of the valve, in bar, e.g.: T21.0
A full alphanumerical code is, for example: SV1/24T21.0 It is also possible to track down all valves by a progressive serial number.
Leider gibt es für diesen Aussteller kein deutsches Firmenprofil.