Over tightening of the valve stem packing to a pneumatically controlled final control element, shown in the illustration, will cause __________. See illustration GS-0051.
A
valve stem breakage
B
erratic operation
C
reduced controlled offset
D
overheating of the diaphragm
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Question 1 / 205eccefa5bacbc34ba4d487f2
Question 1 of 205eccefa5bacbc34ba4d487f2
Over tightening of the valve stem packing to a pneumatically controlled final control element, shown in the illustration, will cause __________. See illustration GS-0051.
Over tightening of the valve stem packing to a pneumatically controlled final control element, shown in the illustration, will cause __________. See illustration GS-0051.