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2Domestic water supplyBMQEQuick selection guideExample:• The maximum demand is 15 gpm (3.4 m 3 /h).• The pressure required is 70 psi (4.8 bar) systempressure at the taps in the building.• The normal minimum inlet pressure (e.g. citypressure) is 20 psi (1.4 bar)• The additional boost required is 50 psi (3.5 bar) at15 gpm (3.4 m 3 /h).• Select a 15 BMQE 05A-110.Additional (boost)pressure required[psi]Flow required [gpm]5 10 15 20 25 30 35 3990807060504030201015 BMQE 07B-18015 BMQE 05A-11022 BMQE 10C-19022 BMQE 05B-12030 BMQE 10C-13022 BMQE 05A-80 30 BMQE 05B-90Curve charts and technical dataHow to read the curve chartsP[psi]140H[ft]15 BMQE60 HzH[m]10012030080Pump type andfrequency.25007B -180 (5-s tage)1008020060QH curve for theindividual pump.15005A -110 (3-s tage)60404010020The efficiency curve shows theefficiency of the pump. Theefficiency curve is an averagecurve of all the pump typesshown in the chart.20050000 2 4 6 8 10 12 14 16 18 Q[USGPM]The power curves indicatepump input power per stage.0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Q[m³/h]P2[kW]P2[hp]Eta[%]0.20.3600.10.00.2 P2400.120Eta0.000 2 4 6 8 10 12 14 16 18 Q[USGPM]TM04 4551 160912