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QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV. #2 (01/29/14) — PAGE 21
-15
-30
-10
-5
in.Hg
kPa
WIKA
R
-100
-80
-60
-40
-20
ACCEPTABLE READING
SHOULDBE BETWEEN
-25 AND -20 IN. HG.
25 IN. HG. TRANSLATES
INTO25 FEET OF LIFT
AT SEA LEVEL.
PLACE VACUUM TESTER
OVER PUMP SUCTIONPORT
CAUTION
DO NOT RUN PUMP
WITHOUT WATER.
-25
-20
DISCHARGE
PORT
PUMPVACUUM
TESTER
DIRECTION
OF WATER
FLOW
WATER HOSE
SOURCE
WATER
MAINTENANCE (PUMP)
Figure 18. Pump Vacuum Tester