CDR Pumps offer the very latest in AOD pumps with the acquisition of Ashton Pumps offering units manufactured from Polypropylene, PVDF, PTFE, Aluminium, Cast Iron, Stainless steel and exotic alloys from ¼” through to 3″ pumps.

The pump range includes the newly designed air motors providing up to 30% saving on air consumption and with modular design air valve for ease of maintenance and overhaul.

 

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The Benefits of Air Operated Diaphragm Pumps

The air-operated diaphragm pump is probably the most popular positive displacement chemical pump.  Due to the way they work, they are ideal for abrasive and corrosive materials, for viscous and self-priming applications and are capable of handling fluids with solids present making them a great choice for many differing applicationhttps://www.cdrpumps.co.uk/chemical-pumps/s.

Durable, low cost, easy to maintain and dead-head capable, air-operated diaphragm pumps will not be damaged if they are to be run dry. The variety of materials these pumps are available in means they can be used in a wide range of applications with  ATEX-certified pumps and hygienic options available.

• Atex certified for EExd hazardous areas
• Sealless design, no mechanical seals or pack glands
• Lubrication free, non-stall easy to access air valve design
• Completely pneumatically driven, no need for electric
• Wide range of spares interchangeability, keeping downtime & stock holdings to a minimum
• Dry running capabilities, without causing long-term damage to the pump
• Inherent self-priming design, ideal for emptying barrels, bulk containers, tanks & bunds
• Variable flow range, from zero lpm to pump maximum design capacity
• Easy to strip, assemble & maintain

Non-Metallic
Diaphragm Pumps

• Manufacturing materials include:
  • EPDM
  • FKM Fluorocarbon
  • Geolast ®
  • Nitrile Rubber aka Buna-N
  • Polychloroprene aka Neoprene
  • Polyoxymethylene aka Acetal
  • Polypropylene
  • PTFE
  • PVDF
  • Santoprene
  • TPE

Metallic
Diaphragm Pumps

• Highest fluid flow rate in class
• Expanded material offering to handle endless applications
• Epoxy-coated air section for tough environmental conditions
• Manufactured in:
  • Aluminium
  • Ductile Iron
  • Stainless Steel

 

High Purity UHMWPE
Diaphragm Pumps

• Manufactured in Ultra-high-molecular-weight polyethylene
• Features corrosion-resistant fluid paths
• High quality machined design for precision fit and superior chemical containment
• Corrosion-resistant exterior
• Removable air motor

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Please feel free to browse the rest of this site for specific pumps, or alternatively, contact us so that we can discuss your applications to make sure we offer you the very best, safe, effective and reliable pump solution

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