( P602 cont’d )
values ( P600 = 2 ):
index value
1 flume width D
Palmer Bowlus Flume
(typically those manufactured by Warminster Fiberglass or Plasti-Fab)
» sized by pipe diameter, D. Enter value ( in units of P005 ) into P602.
» flume relief is trapezoidal
» designed to install directly into pipelines and manholes
» head is referenced to bottom of the throat not to bottom of pipes.
» for rated flows under free flow conditions, the head is measured at a
distance of D / 2 upstream from the beginning of the converging section.
D / 2, point of
measurement
plan
side
transducer
front
0
head
PL-507 110
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