Flowserve 025000 Series User Manual
Page 3
3
Flow Control Division
Kammer Control Valves
11.00
IMPORTANT: An excessively tightened gland nut can
cause excessive packing wear and can hinder the
free movement of the plug stem.
2.6
If possible, open and close valve and check for maxi-
mum stroke and smooth movement of the plug stem.
Irregular movement of the plug stem may indicate
internal defects.
Note: With graphite packing, irregular movement of
the plug stem is normal.
IMPORTANT: Keep hands, hair, clothing, etc. away
from all moving parts. Failure to do so can lead to
serious injury.
2.7
Check all accessories for firm seating.
2.8
If possible, close supply pressure and check the fail-
safe position.
2.10
Check stem boot for wear.
2.11
Check actuator for leaks. To do this, spray housing,
air connections and plug stem guide with leak spray
and note any bubble formation.
2.12
Clean plug stem.
2.13
Check air filter, if present, and if necessary replace
insert.