140 • 240 • 180 • 280 Series 50Hz Metric Edition
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Page 100-2M MTH PUMPS 140 • 240 • 180 • 280 Series 50Hz Metric Edition • Capacities to 185 LPM • Heads to 180 Meters • Low NPSH Requirements • Flex Coupled MTH 140 • 240 • 180 • 280 Series regenerative turbine pumps rep- resent the most economical, high performance alternative for low flow applications involving moderate to high pressures. By combining years of regenerative turbine pump designs with precision computer controlled manufacturing, the 100 • 200 Series delivers high efficiency pumping operation, even at low NPSH. High quality parts and an easily serviceable design provide low maintenance and long life. LOW NPSH The 200 Series inducer style pumps are ideally suited 200 Series Inducer to applications where available NPSH at the pump inlet is limited, such as boiler feed water deaerator service. A centrifugal Francis vane impeller with low NPSH characteristics is utilized as the pump’s first stage impeller, accounting for the lower inlet head require- ment. This first stage impeller is used in conjunction with a multi-vane diffuser to provide the NPSH required by the second stage regenerative turbine. Available NPSH as low as two feet can be effectively handled with 240 • 280 Series pumps, depending on the pump model and capacity. 140 • 240 SERIES PUMPS © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-3M 140 • 240 • 180 • 280 SERIES Performance Curves 140D & 240D* 1450 RPM 240 800 220 700 200 144D • 244D 180 600 160 500 5 143D • 243D 1.5 140 1.25 120 400 4 142D • 242D 140D NPSHR 100 1 300 3 Head in Feet Head in Meters 80 .75 240D NPSHR 60 200 2 NPSH in Feet .5 NPSH in Meters 40 141D • 241D 100 1 .25 20 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 U.S. Gallons per Minute 0 5 10 15 20 25 30 35 Liters per Minute 2.24 3 144D • 244D* 1.49 2 143D • 243D* kW BHP** 142D • 242D* .75 1 141D • 241D* 0 0 140 • 240 SERIES PUMPS 0 1 2 3 4 5 6 7 8 9 10 U.S. Gallons per Minute 0 5 10 15 20 25 30 35 Liters per Minute NOTES Consult factory for operation below 5 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-4M 140 • 240 • 180 • 280 SERIES Performance Curves 140E & 240E* 1450 RPM 240 800 144E • 244E 220 700 200 143E • 243E 180 600 160 500 5 1.5 140 142E • 242E 1.25 120 400 4 140E NPSHR 100 1 300 3 Head in Feet Head in Meters 80 141E • 241E .75 60 200 2 NPSH in Feet .5 NPSH in Meters 40 100 1 240E NPSHR .25 20 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 U.S. Gallons per Minute 0 5 10 15 20 25 30 35 40 45 Liters per Minute 2.24 3 144E • 244E* 143E • 243E* 1.49 2 142E • 242E* kW BHP** .75 1 141E • 241E* 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 U.S. Gallons per Minute 0 5 10 15 20 25 30 35 40 45 Liters per Minute 140 • 240 SERIES PUMPS NOTES Consult factory for operation below 5 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-5M 140 • 240 • 180 • 280 SERIES Performance Curves 140F & 240F* 1450 RPM 240 800 220 700 200 144F • 244F 180 600 160 143F • 243F 500 10 3 140 400 8 120 142F • 242F 100 2 300 6 Head in Feet Head in Meters 80 140F NPSHR 60 200 141F • 241F 4 NPSH in Feet 1 NPSH in Meters 40 100 2 20 240F NPSHR 0 0 0 0 0 2 4 6 8 10 12 U.S. Gallons per Minute 0 10 20 30 40 Liters per Minute 2.24 3 144F • 244F* 143F • 243F* 1.49 2 142F • 242F* kW BHP** .75 1 141F • 241F* 0 0 140 • 240 SERIES PUMPS 0 2 4 6 8 10 12 U.S. Gallons per Minute 0 10 20 30 40 Liters per Minute NOTES Consult factory for operation below 7 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-6M 140 • 240 • 180 • 280 SERIES Performance Curves 140G & 240G* 1450 RPM 240 800 144G • 244G 220 700 200 600 180 143G • 243G 160 500 5 1.5 140 142G • 242G 1.25 120 400 4 140G NPSHR 100 1 300 3 Head in Feet Head in Meters 80 141G • 242G .75 60 200 2 NPSH in Feet .5 NPSH in Meters 40 100 1 240G NPSHR .25 20 0 0 0 0 0 2 4 6 8 10 12 14 16 U.S. Gallons per Minute 0 10 20 30 40 50 60 Liters per Minute 2.98 4 144G • 244G* 2.24 3 143G • 243G* 142G • 242G* 1.49 2 kW BHP** 141G • 241G* .75 1 0 0 0 2 4 6 8 10 12 14 16 U.S. Gallons per Minute 0 10 20 30 40 50 60 Liters per Minute 140 • 240 SERIES PUMPS NOTES Consult factory for operation below 9 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-7M 140 • 240 • 180 • 280 SERIES Performance Curves 140H & 240H* 1450 RPM 240 800 220 700 200 180 600 160 500 144H • 244H 10 3 140 120 400 143H • 243H 8 100 2 300 142H • 242H 6 Head in Feet Head in Meters 80 140H NPSHR 60 200 4 NPSH in Feet 141H • 241H 1 NPSH in Meters 40 100 2 20 240H NPSHR 0 0 0 0 0 5 10 15 20 25 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 Liters per Minute 2.98 4 144H • 244H* 2.24 3 143H • 243H* 1.49 2 kW 142H • 242H* BHP** .75 1 141H • 241H* 0 0 140 • 240 SERIES PUMPS 0 5 10 15 20 25 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 Liters per Minute NOTES Consult factory for operation below 11 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-8M 140 • 240 • 180 • 280 SERIES Performance Curves 140I & 240I* 1450 RPM 240 800 144I • 244I 220 700 200 180 600 143I • 243I 160 500 20 6 140 142I • 242I 5 120 400 16 100 4 300 12 Head in Feet Head in Meters 80 141I • 241I 3 60 200 8 NPSH in Feet 2 NPSH in Meters 40 100 4 20 140I NPSHR 1 240I NPSHR 0 0 0 0 0 5 10 15 20 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 Liters per Minute 4.47 6 144I • 244I* 3.73 5 143I • 243I* 2.98 4 2.24 3 142I • 242I* kW BHP** 1.49 2 141I • 241I* .75 1 0 0 0 5 10 15 20 25 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 Liters per Minute 140 • 240 SERIES PUMPS NOTES Consult factory for operation below 11 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page 100-9M 140 • 240 • 180 • 280 SERIES Performance Curves 140IA & 240IA* 1450 RPM 240 800 220 700 200 144IA • 244IA 180 600 160 143IA • 243IA 500 20 6 140 5 120 400 16 142IA • 242IA 100 4 300 12 140IA NPSHR Head in Feet Head in Meters 80 3 60 200 8 NPSH in Feet 2 NPSH in Meters 40 141IA • 241IA 100 4 1 20 240IA NPSHR 0 0 0 0 0 5 10 15 20 25 30 35 40 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Liters per Minute 4.47 6 144IA • 244IA* 3.73 5 143IA • 243IA* 2.98 4 142IA • 242IA* 2.24 3 kW BHP** 1.49 2 141IA • 241IA* .75 1 0 0 140 • 240 SERIES PUMPS 0 5 10 15 20 25 30 35 40 U.S. Gallons per Minute 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Liters per Minute NOTES Consult factory for operation below 18 LPM *Add 1/2 horsepower for 240 Series models **Horsepower data is valid for 1.0 specific gravity fluids only © Copyright 2008 MTH Tool Company, Inc. Dated March 2008 Page100-10M 140 • 240 • 180 • 280 SERIES Performance Curves 180K & 280K* 1450 RPM 180 600 184K • 284K 160 500 140 183K • 283K 120 400 8 100 182K • 282K 2 300 6 180K NPSHR 80 1.5 Head in Feet Head in Meters 60 200 4 181K • 281K 1 40 NPSH in Feet NPSH in Meters 100 2 280K NPSHR .5 20 0 0 0 0 0 5 10 15 20 25 30 35 40 U.S.