Grundfos' Diaphragm

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Designed for mechanical or digital control, you can rely on Grundfos diaphragm pumps to provide the accuracy, durability and reliability you need in dosing chemicals in general water treatment and industrial process applications. All models feature corrosion-resistant PVC for the pump bodies and dosing heads, EPDM diaphragms and ceramic valve ball. They are also supplied with complete installation kits including foot valve with strainer, injector valve, 2m PVC suction hose and 6m PE delivery hose.

KNOW MORE ABOUT GRUNDFOS
DIAPHRAGM SERIES

Abaque Peristaltic Pump HD25 model

Design Advantages

  • Precise and easy setting
  • Unique dosing technology
  • Compact design saves money and space
  • Accessories enhance operation of the entire system
  • Smooth and low-pulsation dosing
  • Carefully selected materials for reliability and longevity

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Materials options
  • Control options
  • Connection options
  • Accessories and spare parts
  • Baseplate/mounting

Key Specifications

MECHANICAL

RANGE MAX FLOW MAX HEAD LIQUID TEMP MAX PRESSURE
DMH 1.5m3/h 200 bar -10 .. 90 °C 200 bar
DMX 0.765 m3/h 12 bar -10 .. 70 °C 12 bar
UPS (N) 14 m³/h 10 m

DIGITAL

RANGE MAX FLOW MAX HEAD LIQUID TEMP MAX PRESSURE
DDA 0.200 m3/h 16 bar -10 .. 50 °C 16 bar
DDE 0.200 m3/h 10 bar -10 .. 50 °C 10 bar
DME 0.940 m3/h 10 bar 10 bar

Applications

  • Drinking water treatment
  • Wastewater treatment
  • Cooling water treatment
  • Washing systems
  • Process water treatment
  • Chemical industry
  • Caustic Dosing
  • Sulphuric acid dosing
  • pH correction
  • Chemical dosing
  • Desalination
  • Industrial wastewater and water supply
  • Industrial Heating

OUR RANGE OF AVAILABLE DIAPHRAGM PUMPS

Talk to Experts
Abaque Peristaltic Hose Pump HD100 model

DMH

MECHANICAL
Abaque Peristaltic Hose Pump HD 10 or HD20 model

DMX

MECHANICAL
Abaque Peristaltic Pump HD25 model

DDA

DIGITAL
Abaque Peristaltic Pump HD25 model

DDE

DIGITAL
Abaque Peristaltic Pump HD25 model

DME

DIGITAL

PRINCIPLE OF OPERATION

Grundfos diaphragm pumps are reliable positive displacement pumps which utilize two flexible diaphragms that reciprocate back and forth, creating a temporary chamber, which both draws in and expels fluid through the pump.
When the diaphragm flexes, the pressure inside the pump lowers, which draws in fluid. Depending on the model, the diaphragm uses different methods to flex. When the diaphragm is flexed back, the liquid is forced out of the pump the other way, and in so continues to draw in and expel the liquid being pumped. The diaphragms work as a separation wall between the air and the liquid. Many diaphragm pumps will include check valves to keep the liquid from flowing backwards in the pump.

Servicing you anywhere in Australia

All-Pumps offers a bespoke solution to your pump problems. Call our professionals if you need a new pump, replacement part, repair services, system design, or monthly maintenance!
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