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Precision that inspires

The compact stepper-motor pump, coupled with its intelligent drive concept, combines the big advantages of a solenoid-driven diaphragm dosing pump with the precision of a motor-driven diaphragm dosing pump.
The MEMDOS SMART LD series is available in five capacity ranges.
The MEMDOS SMART LD's drive is fully adjustable. Using position detection in the pump, after an unexpected shut down of the pump, overdosing can be prevented and downtime resulting from this can be excluded.



  • Capacity range 0.7 – 5.2 gph, up to 290 psig (232 for PVC)
  • Power supply 110 – 240 V, 50/60 Hz, IP65, 25 W
  • Microprocessor controlled drive
  • Integrated dosing head venting facility (only MEMDOS SMART LK 2, LK 5 and LK 10 with dosing head made of plastic)
  • Suitable for wall and floor mounting
  • Material finishes PVC, PP, PVDF and stainless steel
  • Stroke frequency can be precisely adjusted via the keyboard
  • Graphic display
  • Pulse input (increase and reduction)
  • Level input with early warning and main alarm
  • Release input for external start/stop
  • Calculation wizard for pulse operation available online
  • CSA and UL certified

Further product views

Delivery capacity at max. pressuregph
ml/stroke 0.220.591.21.582.13
Max. delivery pressurepsig 290 (232*)2321457258
Delivery capacity at medium pressuregph 0.71.592.983.885.20
ml/stroke 0.280.671.261.632.19
Average back pressurepsig 145116724429
Nominal stroke frequencyRPM 150
Suction lift for non-gassing mediaft. H2O 9.8
Max. supply / inlet pressurepsig 11.6
Diameter of diaphragmin 1.2991.5352.125
Valve size DN4
Voltage supply 110 – 240 V, -10 % / +5 %, 50/60 Hz
Power consumptionW 25
Protection class IP65 (with covering caps on the connections)
Insulation class F
Material PVC, PP, PVDF, 1.4571
WeightPVC, PP, PVDFlb ~ 4.85
Stainless steel (1.4571) ~ 7.27
Max. ambient temperature°F 316SS & PVDF: 113° / PVC: 104°
Max. temperature of the medium°F 316SS & PVDF: 176° / PP: 140° / PVC: 95°

* PVC version
Subject to technical changes


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Lutz-JESCO America Corp.
55 Bermar Park
Rochester, NY 14624
Toll-Free: +1-800-554-2762
Fax: +1-585-426-4025


Outside the U.S.
Tel.: +1-585-426-0990