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Series ‘PPE’ solid injection moulded pumps are available
in polypropylene (PP), glass filled polypropylene (GFP)
and UHMWPE materials and are suitable for all services
compatible with PP.
The pumps incorporate robust design to handle highly
corrosive fluids including corrosive slurries.
Over years of experience, Raje-Dia has
developed corrosion resistant pumps for a
wide range of applications. These pumps are
provided with injection moulded wetted parts
(except PTFE) and have a robust
construction. The materials used are
Polypropylene, Glass Filled Polypropylene,
PTFE, etc. The material of construction is
specially selected depending on the specific
application. This ensures the highest
corrosion resistance and stability. The shaft
sleeve and Mechanical Seal are selected to
suit the service condition. For pumps handling fluids containing
suspended particles, slurry etc., and for
effluent service, special seals with suitable
faces are available with proper environment
control arrangements.
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. |
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| Material of Consturction |
As a standard, wetted parts are offered in
(PP) Polypropylene, UHMW HDPE for clear fluids upto 80°C 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°C. 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 Chamber |
| 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 |
| 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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