Linde V200 Gebrauchsanleitung Seite 20

Description
EN Slight drop of
outlet pressure
Heavy drop of
outlet pressure
Heavy drop of
outlet pressure
Outlet Pres-
sure to high
Outlet pres-
sure increase
immediately
all the way to
the stop or
outlet pressure
increases and
gets slowly
higher than set
value and relief
valve opens
Noise during
operation
No changes of
valve control
when turning
the handwheel
Moisture on
pressure regu-
lator (NO dew,
rain or snow)
Reason Solution
Diff erence No failure, nor-
between fl ow mal operating
pressure (with state
gas fl ow) and
Zero Pressure
(without gas
fl ow)
Required Choose new
fl ow to high pressure
for pressure regulator for re-
regulator quired pressure
and fl ow
Leakage in Check process
process gas gas tubing
tubing
Wrong set- Adjust pressure
tings for pres- regulator set-
sure regulator tings, readjust
pressure
regulator, main-
tenance
Pollution or Repair by
damage of manufacturer
pressure
regulator seat
"Creap"
Required Choose new
fl ow too high pressure
for pressure regulator for re-
regulator quired pressure
and fl ow
Defect Repair by
handwheel be- manufacturer
cause of too
high torque,
defect of
spindle, defect
of thread
Pressure regu- No failure, nor-
lator withdraw mal operating
energy from state
environment
through gas
expansion
Valve Cylinder
Regulator
18/294
Line Gas
Regulator Supply Panel