Pressure Testing The Pipeline Section - Mankenberg M Xtra Rp 840 Betriebsanleitung

6 Pressure testing the pipeline section

The fitting has already been pressure-tested by the manufacturer. The following points should be obser-
ved when conducting a pressure test on a pipeline section with a pressure-regulating valve installed:
•
Pressure-reducing valve:
the test pressure must not exceed 1.5 times the max. adjustable outlet pressure, e.g. a setting
range of 4 to 8 bar gives a max. permitted test pressure of 8 bar x 1.5 = 12 bar. The test pressure on
the inlet pressure side is determined by the pressure marked on the body.
•
Backpressure regulator:
the test pressure must not exceed 1.5 times the max. adjustable inlet pressure, e.g. a setting range
of 4 to 8 bar gives a max. permitted test pressure of 8 bar x 1.5 = 12 bar.
•
Vacuum control valve:
the test pressure must not exceed 1.5 times the max. adjustable pressure. The information described
above should be observed according to whether a pressure-reducing or backpressure regulator
forms the basis for the vacuum control valve.
Under no circumstances may the test pressure exceed 1.5 times the value indicated on the body
with "PN" or "Class".
If any leakage occurs on the fitting, Section 10 <Troubleshooting help> should be observed.
If the pipe section is flushed and/or dried after assembly or pressure testing, it is
necessary to make sure that the fitting has not been damaged by corrosion or
excessively high temperature.
note
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