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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.
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| 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.
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| Impeller |
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. |
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| Sealing |
| ‘O’ Rings and Gaskets Sealing are provided
in the joints to ensure better sealing even at
high pressure. |
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| Sleeve |
The Shaft Sleeve is made of Ceramic (99.5%
AI-oxide), Hastelloy-B, Alloy-20, Monel, Titanium, etc. to suit various applications. |
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| 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 |
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| Trolley
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| 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.. |
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| Applications and Industries Served |
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Chemical processing |
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Effluent treatment |
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Fumes scrubbing |
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Acid pickling |
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Recirculation process |
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Photographic processing |
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Drugs and pharmaceuticals |
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Food processing |
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Perfumeries |
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Detergents and caustics |
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Breweries |
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Petrochemicals |
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Dyes and pigments |
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Tanneries |
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Paper and pulp industries |
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| Series 20M |
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These are teflon 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
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| SERIES 20 RL |
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These are teflon 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 |
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| SERIES 88 B2R |
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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 |
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