GCE druva MPLH0MDS Gebrauchsanleitung Seite 29

Description Reason
Slight drop of Difference
outlet pressure between flow
pressure (with
gas flow) and
Zero Pressure
(without gas
flow)
Heavy drop of Required
outlet pressure flow to high
for pressure
regulator
Heavy drop of Leakage in
outlet pressure process gas
tubing
Outlet Pres- Wrong set-
sure to high tings for pres-
sure regulator
Outlet pres- Pollution or
sure increase damage of
immediately pressure
all the way to regulator seat
the stop or "Creap"
outlet pressure
increases and
gets slowly
higher than set
value and relief
valve opens
Noise during Required
operation flow too high
for pressure
regulator
No changes of Defect
valve control handwheel be-
when turning cause of too
the handwheel high torque,
defect of
spindle, defect
of thread
Moisture on Pressure regu-
pressure regu- lator withdraw
lator (NO dew, energy from
rain or snow) environment
through gas
expansion
Solution Valve
No failure, nor-
mal operating
state
Choose new
pressure
regulator for re-
quired pressure
and flow
Check process
gas tubing
Adjust pressure
regulator set-
tings, readjust
pressure
regulator, main-
tenance
Repair by
manufacturer
Choose new
pressure
regulator for re-
quired pressure
and flow
Repair by
manufacturer
No failure, nor-
mal operating
state
29/64
Cylinder Line Gas
Regulator Regulator Supply Panel
EN