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Founded in 1949, Grundfos Pumps Corporation, is one of the world's largest manufacturers of pumps, providing pumps for homes, farms, commercial buildings and industrial uses. Pure Aqua offers a full range of pumps from Grundfos. |
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| Component | Standard | Alternate 1 | Alternate 2 |
|---|---|---|---|
| Diaphragm | PTFE coated EPDM | ||
| Head | Polypropylene | PVDF | Stainless Steel 1.4401 |
| Ball Valve | Ceramic | Stainless Steel 1.4401 | Glass |
| Valve Seat | EPDM | VITON | |
| Seals | EPDM | VITON |
second model in Dosing|
Grundfos DME dosing pumps are high quality diaphragm dosing pumps. The integral digital control unit allows a high turndown ratio to give great control flexibility without the vibration caused by the sharp pulsation in solenoid pumps. Now you no longer have to struggle for precision. Digital DosingT is here, and it has come to make your life easier. It's that simple, and it's from Grundfos. We are talking about true innovation. The principles are new, the methods are new, and the patents are pending! No more guesswork, no more hassle with setting the pump. The future of dosing technology has arrived. Digital DosingT is made possible by a completely new drive principle in a diaphragm dosing pump. This is supplemented with direct electronic digital control from a pushbutton control panel which takes all the guesswork out of dosing. Digital DosingT means that when you set your pump to supply a specific dosage you will know that what you set is what you get. What Grundfos is bringing you here is not an improvement on existing pumps. It is an innovation in the very true sense of the word - a completely new standard. It will make your job a lot easier and your results a lot better. You will save time, and you will save money. |
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Digital Dosing™ is made possible by a completely new drive principle in a diaphragm dosing pump. This is supplemented with direct electronic digital control from a pushbutton control panel which takes all the guesswork out of dosing. Digital Dosing™ means that when you set your pump to supply a specific dosage you will know that what you set is what you get. What Grundfos is bringing you here is not an improvement on existing pumps. It is an innovation in the very true sense of the word – a completely new standard. It will make your job a lot easier and your results a lot better. You will save time, and you will save money.
SWITCHING TO GRUNDFOSSwitching your existing LMI, Prominent, Alldos or Pulsafeeder dosing pump is simple and can bring several benefits. Click here for more...
CUTTING EDGE TECHNOLOGY INSIDE
Drive UnitThe toothed belt drive unit and the crank mechanism control the action of
the diaphragm at all times. The long life drive unit is maintenance free.
Dosing HeadThe dosing head is designed with focus on user friendliness. A venting valve is standard on all pumps, and large union nuts facilitate assembly and access. The double suction valve ensures a tight seal during the extended discharge stroke.
DiaphragmThe design of the PTFE coated diaphragm ensures long life.
Microprocessor ControlThe microprocessor based control system translates operator settings into the correct pump output.
Stepper MotorThe stepper motor ensures full control of the diaphragm movement during both the suction and discharge phases.
Composite HousingThe IP65 rated housing is robust lightweight and highly resistant to chemicals.
IMPROVEMENTS DELIVERED BY DIGITAL DOSINGTThe DME series goes one step further with its variable speed stepper motor. The speed of the DME motor is variable so the discharge phase extends over the full period between suction phases. The result is a better more even mix. It also means that the suction phase can be extended using the unique anti cavitation function. The slower suction phase made possible in a Digital DosingT pump ensures correct intake of additive every time - even when dosing high viscosity liquids.
FIELDBUS THE FINAL TOUCHA Grundfos pump can stand alone, or it can be connected to advanced process automation systems. With fieldbus communications (e.g. PROFIBUS), you're always well informed about plant status and in full control of your dosing system.
TECHNICAL SPECIFICATIONS| Pump Type DME | 2 | 8 | 12 | 19 | 48 | 60 | 150 | 375 | 940 |
| Capacity at Max Pressure (l/hr) | 2.5 | 7.5 | 12 | 18.5 | 48 | 60 | 150 | 375 | 940 |
| Max Pressure (bar) | 18 | 10 | 6 | 6.3 | 2.6 | 10 | 4 | 10 | 4 |
| Setting Range | 1:1000 | 1:800 | |||||||
| Max Stroke Frequency (min-1) | 180 | 151 | 160 | ||||||
| Max Viscosity (mPa) | 500* | 100 | 3000** | ||||||
| Suction Lift (m) | 6 | ||||||||
| Repeatability (%) | ±1 | ||||||||
| Power Supply (V) @ 50/60 Hz | 100 to 240 | ||||||||
| Max Current at 100V | 0.27A | 0.35A | 1.25A | 2.40A | |||||
| Max Current at 230V | 0.16A | 0.26A | 0.67A | 1.00A | |||||
* 200 mPa without spring-loaded valves
** 100 mPa without spring-loaded valves
Application Areas
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Wet End Materials| Component | Standard | Alternate 1 | Alternate 2 |
|---|---|---|---|
| Diaphragm | PTFE coated EPDM | ||
| Head | Polypropylene | PVDF | Stainless Steel 1.4401 |
| Ball Valve | Ceramic | Stainless Steel 1.4401 | Glass |
| Valve Seat | EPDM | VITON | |
| Seals | EPDM | VITON |
| For available options & specifications, please refer to this PDF Library Durable Grundfos Brand Pumps |
© 2010 Pure Aqua, Inc. All Rights Reserved.