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Valve test system
Type
F [1 - 3]: VPS: Load valve
F [1 - 3]: VPS: Load time
F [1 - 3]: VPS: Relief valve
F [1 - 3]: VPS: Relief time
VPS: Calculating the testing times
F [1 - 3]: VPS: Fuel valve 1: Proof time
F [1 - 3]: VPS: Fuel valve 2: Proof time
F [1 - 3]: VPS: Valid time
F [1 - 3]: VPS: Fuel valve 2: Delayed close
Parameter
Description
Properties
Selection parameter
If a hand valve is used, fuel valve 2 can be closed with delay for the automatic pressure relief of the test segment.
If the pressure relief of the test segment of one fuel is to be performed using fuel valve 2, the valve test after shut-down is permitted only together with post-purging <varname>1026</varname>=1. For information on this topic, refer to the "Valve monitoring system" section of DIN EN 676.
Automatic pressure relief of the test segment is performed with a separate relief valve "open when deenergized".
Automatic pressure relief of the test segment is performed with a separate relief valve "closed when deenergized".
Reference
DOC-719830650