Gardner Denver Reavell H5000 Series, Руководство оператора

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FAULT GUIDE
PAGE 45
Symptom Fault Recommendation(s)
11.4 SAFETY
VALVE
BLOWING
?
Final stage safety
valve blowing.
9
Verify discharge pipework bore is large enough,
has a minimum of bends at the largest possible
radius.
9
Ensure discharge non-return valves are fitted
the right way round and functioning correctly.
9
Ensure pressure maintaining valve is functioning
correctly.
9
Check setting of control pressure switch.
9
Check setting and operation of safety valve.
9
Check setting of downstream isolation valves.
?
3
rd
stage safety
valve blowing.
9
Check 3
rd
stage safety valve operating pressure.
9
Check 4
th
stage concentric valve for damage to
seats, springs and/or plates.
9
Check for damage to o-rings and/or seats on 4
th
stage valve cover.
?
2
nd
stage safety
valve blowing.
9
Check 2
nd
stage safety valve operating
pressure.
9
Check 3
rd
stage concentric valve for damage to
seats, springs and/or plates.
9
Check for damage to o-rings and/or seats on 3
rd
stage valve cover.
?
1
st
stage safety
valve blowing.
9
Check 1
st
stage safety valve operating pressure.
9
Check 2
nd
stage concentric valves for damage to
seats, springs and/or plates.
9
Check for damage to o-rings and/or seats on 2
nd
stage valve covers.
?
Inlet safety valve
blowing
9
Check setting of inlet safety valve.
9
Check setting of inlet pressure switch.
9
Check inlet air / gas pressure.
9
Check air / gas inlet non-return valve.
9
Check 1
st
stage concentric valve for damage to
seats, springs and/or plates.
?
DDV safety valve
blowing.
9
Verify discharge pipework bore is large enough,
has a minimum of bends at the largest possible
radius.
9
Confirm size of recovery vessel is adequate.
9
Confirm that recovery vessel is free from
condensate build-up.