ENGINEERED & PROCESS VALVES
07/2011 / IOM-GEN-TWIN-03
7
Installation, Operation and Maintenance Manual
BUSHINGS/ONE GLAND
BUSHINGS/TWO GLAND
Typical
Arrangement of:
3” C851
3” C861
4” C851
6” C851
Higher pressure class
valves employ the
balanced plug design
to minimize plug
hydro forces which in
turn requires
two glands.
Typical Arrangement of:
2” C841 6” C911 12” C811
2” C851 6” C921 12” C821
2” C861 6” C941 12” A1911
2” C911 8” C411 12” C921
2” C921 8” C421 14” C811
2” C941 8” C811 14” C821
3” C841 8” C821 14” C911
3” C911 8” C841 16” C411
4” C821 8” C911 16” C811
4” C841 8” C921 16” C821
4” C911 10” C411 16” C911/21
4” C921 10” C421 18” C411
4” C941 10” CA811 18” C811
6” C411 10” C821 20” C411
6” C421 10” C911 20” C421
6” C821 10” C921 20” CA811
6” C841 12” C411 24” C411
6” CA811 12” C421 24” C421
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