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K000000000EJ 023826A0 100714
12.8 NEW PIPING: UNI 7129 STANDARD
CONTEXT KEY FUNCTION
Enters the modification mode for the selected parameter.
Goes to the next phase of the tightness test.
Performs pressure zeroing.
Saves, in the memory selected in the "Select Memory" menu, the data
acquired.
Starts printing the ticket.
Interrupts the current phase.
Repeats the tightness test.
The tightness test has been saved.
KEY FUNCTION
Activate the context keys shown on the display.
Selects line; the selected line is evidenced in red.
In edit mode, it sets the desired value.
Activates the context key located in the left side of the display.
Returns to the previous screen.
When in modify mode cancels the modification just made.
Duration of the stabilization phase that can be set between 15 and 240 minutes
07/08/14
10:00
New piping
Configuration
Stabilization
min
15
Print
manual
O
o
oo
o
Details of the test:
The standard UNI 7129 can be adopted for testing new piping systems or reconditioned ones. This test requires
to charge the piping up to a pressure of at least 100 mbar, then wait for a stabilization time of at least 15 minutes
required for nulling the thermal effects caused by the test gas compression and finally check for the tightness of
the piping by analysing the way the pressure eventually decays against time. This check expects for no
difference between two pressure readings performed in 15 minutes and with a manometer having a minimum
Printing mode, that can be set as manual or automatic.
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