MEMDOS LB
Riding on the crest of the waves
The MEMDOS LB is used when the integration of the pump into controls or control circuits is required. Thanks to the sturdy tappet drive with manual or automatic capacity adjustment, the conveyed media such as acids, lyes, coagulants and flocculants are dosed reliably and precisely. To adapt the dosing capacity, either the stroke length can be adjusted mechanically or the speed of the three-phase motor can be regulated by means of a separate frequency converter. On request, the MEMDOS LB pumps can also be supplied with a double-diaphragm system.
MEMDOS LB
- Capacity range 1.06 – 324 gph, up to 232 psig
- Power supply 115 V, 230 V or 400 V
- Material finishes PVC, PP, PVDF and stainless steel
- Infinitely variable stroke length from 0 – 100 %
- A variety of three-phase and alternating current motors
- ATEX versions are available for Zones 1 and 2
- Also suitable for frequency converter operation
- Double-diaphragm system (optional)
- Automatic stroke length adjustment (optional)
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MEMDOS LB | 4 | 4-HP | 10 | 10-HP | 20 | 20-HP | 35 | 60 | 80 | 150 | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Delivery capacity at max. pressure | 50 Hz | gph | 1.06 | 2.22 | 3.70 | 6.35 | 5.82 | 9.52 | 16.67 | 23.81 | 41.27 | ||
60 Hz | 1.3 | 2.7 | 4.4 | 7.6 | 7.0 | 11.4 | 20 | 29 | 50 | ||||
Max. back pressure | psig | 174 | 232 | 174 | 232 | 174 | 232 | 145 | 72 | ||||
Nominal stroke frequency | 50 Hz | RPM | 26 | 72 | 120 | 72 | 120 | 72 | 120 | ||||
60 Hz | 31.2 | 86.4 | 144 | 86.4 | 144 | 86.4 | 144 | ||||||
Suction lift for non-gassing media | ft H2O | 29 | 26 | 23 | |||||||||
Max. supply / inlet pressure | psig | 7.3 | |||||||||||
Diameter of diaphragm | in | 2.047 | 2.519 | 3.543 | |||||||||
Valve size | DN4 | DN6 | DN10 | ||||||||||
Voltage supply | 230 / 400 V (optional 115 V) | ||||||||||||
Protection class | IP55 | ||||||||||||
Insulation class | F | ||||||||||||
Material | PP, PVC, PVDF, 1.4571 | ||||||||||||
Weight* | PP | lb | 11.5 | 11.1 | 15 | ||||||||
PVC | 11.1 | 11.1 | 14.1 | ||||||||||
PVDF | 11.9 | 11.9 | 15 | ||||||||||
Stainless steel (1.4571) | 17.6 | 17.6 | 26.5 | ||||||||||
Max. ambient temperature | °F | 316SS & PVDF: 113° / PVC: 104° | |||||||||||
Max. temperature of the medium | °F | 316SS & PVDF: 176° / PP: 140° / PVC: 95° |
MEMDOS LB | 110 | 160 | 210 | 260 | 310 | 400 | 510 | 760 | 1010 | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Delivery capacity at max. pressure | 50 Hz | gph | 30.2 | 38.1 | 55.6 | 69.8 | 77.8 | 103.2 | 133.3 | 196.8 | 269.8 | |
60 Hz | 36 | 46 | 67 | 84 | 93 | 124 | 160 | 236 | 324 | |||
Max. back pressure | psig | 145 | 116 | 87 | 58 | 44 | ||||||
Nominal stroke frequency | 50 Hz | RPM | 96 | 120 | 96 | 120 | 96 | 120 | 53 | 76 | 107 | |
60 Hz | 115.2 | 144 | 115.2 | 144 | 115.2 | 144 | 63.6 | 91.2 | 128.4 | |||
Suction lift for non-gassing media | ft H2O | 23 | 19 | 14 | 3 | |||||||
Max. supply / inlet pressure | psig | 7.3 | ||||||||||
Diameter of diaphragm | in | 3.543 | 4.724 | 5.905 | 7.283 | |||||||
Valve size | DN10 | DN15 | DN25 | |||||||||
Voltage supply | 230 / 400 V (optional 115 V) | |||||||||||
Protection class | IP55 | |||||||||||
Insulation class | F | |||||||||||
Material | PP, PVC, PVDF, 1.4571 | |||||||||||
Weight* | PP | lb | 25.3 | 27.5 | 31.7 | 45.8 | ||||||
PVC | 25.3 | 27.5 | 31.7 | 45.8 | ||||||||
PVDF | 26.0 | 28.6 | 33.5 | 49.6 | ||||||||
Stainless steel (1.4571) | 36.8 | 46.5 | 57.7 | 93.2 | ||||||||
Max. ambient temperature | °F | 316SS & PVDF: 113° / PVC: 104° | ||||||||||
Max. temperature of the medium | °F | 316SS & PVDF: 176° / PP: 140° / PVC: 95° |
*) Weights can vary slightly depending on the motors; these figures represent average values.
Subject to technical changes
BA: Operation instruction
Lutz-JESCO America Corp.
55 Bermar Park
Rochester, NY 14624
Toll-Free: +1-800-554-2762
Fax: +1-585-426-4025
mail@jescoamerica.com
Outside the U.S.
Tel.: +1-585-426-0990