A high- pressure flow process requires a valve with tight packing. This would suggest that :
A. A valve positioner should be employed
B. The actuator must be sized to provide adequate force
C. Oversized pneumatic signals lines are required
D. The controller supplying the signal to the valve must have a very narrow proportional banD.
Answer:B
A high- pressure flow process requires a valve with tight packing. This would suggest that :
A. A valve positioner should be employed B. The actuator must be sized to provide adequate force C. Oversized pneumatic signals lines are required D. The controller supplying the signal to the valve must have a very narrow proportional banD.