H301/302 HSR Compressors | Rev. 2.2 | 117
Situation
Potential common causes
Excessive packing leakage
•
Worn packing rings
•
Packing case bolts loose
•
Packing rings incorrectly assembled/installed
•
Improper lube oil selection and associated lube rate
• Contaminants (liquid or solid) affecting packing rings
•
Packing not seated or properly run-in
•
New packing installed on worn rod or damaged packing
case
•
Improper packing ring side or end clearance
•
Oil dilution from liquid carryover
Packing wear excessive
•
Improper oil supply – excessive or inadequate
•
Inadequate lubrication – incorrect oil type, viscosity or
amount
•
Solid abrasive debris entering cylinder with gas stream
Ring, piston, liner and cylinder
•
Piston Rings Worn, Stuck or Broken
•
Piston Rings Worn, Stuck or Broken
Wear excessive
•
Cylinder or piston worn or scored
•
Oil dilution from liquid carryover
Wiper packing leaks
•
Worn packing rings
•
Packing rings incorrectly assembled/installed
•
Packing not seated or properly run-in
•
Worn or scored piston rod
• Contaminants (liquid or solid) affecting packing rings
•
Improper packing ring clearance; side or end
High discharge gas temperature
•
Excessive compression ratio across cylinder – back
pressure from leaking suction valves or piston rings of next
higher stage cylinder
•
High cylinder suction gas temperature
• Reduced cylinder suction pressure - flow restriction, inlet
strainer screen debris, suction pressure control valve or
inlet scrubber restriction
•
Leaking discharge valves or piston rings
•
Fouled intercooler piping
•
Improper lube oil selection or rate
•
Change in cylinder mode of operation, from single-acting
(SA) to double-acting (DA)
High discharge gas pressure
•
Excessive compression ratio across cylinder – back
pressure from leaking suction valves or piston rings of next
higher stage cylinder
•
Downstream line obstruction or isolation valve closed
Содержание H301 Series
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