Grundfos DMX - Mechanical Diaphragm Metering Pumps

Overview

Overview

DMX mechanical diaphragm metering pumps

Repeatable accuracy:  +/- 1.5%
Turndown:  1:10 with stroke length adjustments, not including frequency control.

Performance range: 1.3 to 2 x 166.4 GPH (up to 630 l/hr)
Max pressure:  36 to 232 PSI  (see technical data)

  • Manual or 4-20mA stroke length control
  • Duplex option for doubled capacity on DMX 226
  • Standard diaphragm protection system on all pumps
  • Integrated frequency controller (4-20mA input/output, pluse, remote start/stop - DMX AR)
  • Diaphragm leak sensor
  • Internal relief valve
  • Stroke sensor
  • Optional explosion proof motors on DMX 226


Material options:
Liquid end  -  PVC, PVDF, Polypropylene, 316SS
Gaskets  -  FKM, EPDM, PTFE


Control variants:
DMX B  - Basic manual control
                (Or remote control with a variable frequency drive)

DMX AR  -  Automatic frequency control + alarm relay

DMX AT5  -  Electric actuator with servomotor - Automatic (4-20mA) stroke length control


Processes:
Disinfection, coagulation, flocculation, Boiler feed water, cooling and process water treatment, raw water purification, chemicals for ion-exchangers, supplementary water treatment, effluent water neutralization.  Dosing of ammonia, hydrazine, phosphates in high-pressure areas (boiler feed water), lubricant dosing, corrosion inhibition, antiscalants, additives & catalysts, odor control, dosing of flammable liquids.


Applications:
Drinking water treatment
Industrial process water and waste water treatment
Pulp and paper industry
Cooling tower water treatment
Low-pressure boiler feed water treatment
Textile industry
Food and beverage, dairy





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Benefits

  • Dosing from 0.4 up to 2 x 4000 l/h
  • Compact design - saves money an space
  • Smooth and low-pulsation dosing
Literature

Literature

 

Grundfos Dosing All Products

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Grundfos Dosing All Products


Water and Wastewater Solutions

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Water and Wastewater Solutions


Purify Your Business - Grundfos Water Treatment

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Purify Your Business - Grundfos Water Treatment


Irrigation Handbook

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Irrigation Handbook


Grundfos Industrial Solutions

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Grundfos Industrial Solutions


Pump Solutions for Automotive Industry

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Pump Solutions for Automotive Industry


Stainless Steel Pumps - Upgrade Your Industrial Applications

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Stainless Steel Pumps - Upgrade Your Industrial Applications


Grundfos and the Beverage Industry

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Grundfos and the Beverage Industry


Grundfos and the Food Industry

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Grundfos and the Food Industry


Contact
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