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www.dabpumps.com(POSITIVE SUCTION) BASIC CONCEPTS FLOW RATE (Q) PRESSURE DROPS (HP) DELIVERY HEAD (HI) SUCTION HEAD (HS) GEOMETRICAL HEIGHT (HG) RESIDUAL PRESSURE (HR) TOTAL WATER PRESSURE HEAD IN METERS (HT) 5 ELECTRIC MOTOR hg=hi-hs NEGATIVE SUCTION HEAD POSITIVE SUCTION HEAD hg=hi+hs Free surface …