Warren Controls 377 Float Cage - Manual (Page 15)

15
Level COntrols - IOM 377 Float Cage/326L & 322L Lever Valves 377_326L_322L_IOM_RevAa1112
PACkiNG ADjUSTmENT
326L and 322L Lever Valves have self-adjusting packing and require no external
adjustment. 326L and 322L Lever Valves with stainless steel trim have TFE V-ring Packing.
322L Lever Valves with bronze trim have EPdm Lip Packing. If the valve has self-adjusting
packing and a packing leak is observed replace the packing and if necessary the stem and
plug assembly.
326L AND 322L LEvER vALvE PARTS/ OvERhAUL
damaged or worn parts can decrease performance and shorten valve life.
damaged or worn packing parts including as applicable the packing, bearings, spring,
and other bonnet parts can cause a packing leak resulting in damage to the actuator
and surrounding equipment. damaged or worn packing parts can also cause increased
hysteresis resulting in poor control.
damaged or worn trim parts including as applicable the plug, stem, seat ring(s), piston,
pilot retainer, and o-ring can cause increased hysteresis, poor control, excessive internal
leakage, and poor shut-off. damaged or worn trim parts can also cause damage to the
packing parts resulting in a packing leak.
damaged or worn body gaskets can cause external leakage resulting in damage to the
actuator, accessories, and surrounding equipment.
Should parts become worn or damaged, parts kits are available. repack kits are available to
replace the packing. repack/Inspection kits are available to allow the valve to be opened
for inspection of its internal parts. rebuild/repack kits are available to completely rebuild/
overhaul the valve. Parts kits come with complete step-by-step instructions. Each kit has
its own part number. Please provide the valve’s serial number to ensure getting the
correct kit part number and correct parts.