+1 vote
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What is Superimposed Backpressure?

asked Sep 24, 2015 in Process by rbidong (880 points)

2 Answers

+1 vote
answered Sep 24, 2015 by Normandy (21,040 points)
It is the static pressure that exists at the outlet of a pressure relief device at the time it is required to operate. It is the result of pressure in the discharge system coming from other sources, and it may be either constant or variable.
+1 vote
answered Sep 26, 2015 by odadmin (21,030 points)
Also Superimposed Back Pressure may govern whether a balanced or conventional type of relief valve should be used.

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