NEN-ISO 27895:2009 en

Vacuümtechnologie - Afsluiters - Lekproef


Over deze norm

Status Definitief
Aantal pagina's 11
Commissie Compressoren
Gepubliceerd op 01-12-2009
Taal Engels
This International Standard specifies methods for the leak testing of vacuum valves used for control of gas flow or vacuum pressure in a vacuum system. It is applicable to vacuum valves that can be closed to leak rates less than 1 × 10-5 Pa m3/s for trace gas. The methods employ a sealing arrangement for the valve body, which is also specified in this International Standard. The methods are suitable for the verification of valve specifications. A valve leak rate less than the nominal leak rate specified by the manufacturer during and after the operation enables the specification of such valve operating conditions as operating pressure range, permissible pressure difference between ports, bake-out temperature or operating temperature, and life cycle.


ICS-code 23.160
Nederlandse titel Vacuümtechnologie - Afsluiters - Lekproef
Engelse titel Vacuum technology - Valves - Leak test



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