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VISI-FLO SIGHT FLOW INDICATORS - Magnum …
www.magnum-company.com2.7.8 1357920406080 100 300 500 1000.9 100 90 10 8 6 4 2.9 80 70 60 50 40 30 PRESSURE DROP PSI PRESSURE DROP PSI FLOW GPM WATER NOTE: Over 100 gpm Flapper indicator advised