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Series �RD� pumps are a variation of series �PPE� pumps which incorporate back-pull-out feature. This offers all the advantages for easy maintenance, similar to metallic pumps. The metallic armour supports piping loads without any strain on the pump suction and discharge nozzle. The pump construction and the spacer coupling together help dismantling of the rotor assembly without disturbing the suction/discharge pipes and motors. This feature reduces the need for coupling alignment after every maintenance interval.

RD series pumps (also known as rigid pumps) along with the above functions are ideal for heavy duty application. These
pumps have a Back Pull-out construction for easy maintenance without disturbing the piping. The Metallic armour provides maximum protection against suction and the discharge nozzles of the pump, therefore can handle maximum misalignment, distortion and piping loads.

The EDR Group of Industries are dedicated to the manufacture of highly corrosive liquid handling systems for the core sector. An exhaustive survey was carried out on pumps built for handling corrosive liquids at high temperatures under various service conditions. To meet the growing demand, Raje-Dia has a fully equipped state-of-the-art manufacturing plant in Gujarat with comprehensive production, quality assurance and testing facilities. Raje-Dia pumps are available all over the country with an efficient Dealers & aftersales service network.

Material of Consturction

As a standard, wetted parts are offered in (PP) Polypropylene, UHMW HDPE for clear fluids upto 80 Degree Centigrade Temp. Glass Filled Polypropylene (GFP) having good resistance to erosion, is used for fluids having suspended particles and slurry service as well as for temperatures upto 120 Degree Centigrade. For fluids where PP, UHMW HDPE and GFP are not compatible, PTFE wetted parts are recommended.


The Impeller has a radial semi-open design, with large contoured flow passages. It is a one piece robust construction, statically balanced and lightweight. It is manufactured by an injection moulding process and is provided with back vanes to minimise axial thrust for enhanced bearing life.

�O� Rings and Gaskets Sealing are provided in the joints to ensure better sealing even at high pressure.

The Shaft Sleeve is made of Ceramic (99.5% AI-oxide), Hastelloy-B, Alloy-20, Monel, Titanium, etc. to suit various applications.

Priming Chambers
This is specially used for negative suction. It is very effective in handling liquids with slurry or particles, as it does not get clogged as easily as the foot valve
A specially designed vibration free trolley keeps the pump mobile, whenever required. Further the trolley can also be provided with FRV coating on those parts exposed to chemical drip..
Applications and Industries Served
Chemical processing
Effluent treatment
Fumes scrubbing
Acid pickling
Recirculation process
Photographic processing
Drugs and pharmaceuticals
Food processing
Detergents and caustics
Dyes and pigments
Paper and pulp industries
Series 20M  

These are DuPont made bellow seals recommended for extremely corrosive chemicals, including concentrated acids,salts, strong oxidising & reducing agents. All components which come in contact with liquid being sealed are made of chemically inert material. These seal s are externally mounted & easily replaceable.

Face Material
1) GFT / Ceramic (99.5% )
2) Peek / Ceramic


These are DuPont made bellow seals available with replaceable faces. Seals are recommended for extremely corrosive chemicals, concentrated acids, salts and strong oxidising agents. No metal parts come in contact with liquid as they are mounted out side the media. These seals are externally mounted & can be easily replaced

Face Materials
1) GFT / Ceramic (99.5% )
2) Silicon Carbide / Ceramic
3) Carbon-R/Ceramic (99.5% )
4) Silicon Carbide / Silicon Carbide


These are externally mounted balanced seals available with various face materials & elastomers. Seals are recommended for liquid with effluent, sludges & corrosive s ervices as all metal components do not come in contact with liquid.

Face Materials
1) GFT / Ceramic (99.5% )
2) Silicon Carbide / Ceramic
3) Carbon-R/Ceramic (99.5% )
4) Silicon Carbide / Silicon Carbide


  Series PPE  
  Series RD  
  Series PPM  
  Series PPK  
  Series VPP  
  Series AER  
  Series KR  
  Series MER  
  Series VPK  
  Priming Pot  
  Series KER  
  Series VBP  
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