| 'Purewat'
Pressure Filters |
Purewat Pressure Filter comprises a mild steel pressure-vessel
with graded sand or activated carbon filter media of suitable
particle size, depending upon the application - like removing
suspended matter, turbidity, color, odour or free chlorine
in water. For efficient filtration, a chemical dosing
in raw water is often suggested. For raw water with higher
turbidity,
special treatment before filtration is necessary. Depending
upon the volume of water to be filtered per hour, a horizontal
filter or a vertical filter can be offered. The filter
can be easily operated and maintained with the pipe work
and valves provided in front of the filter. The filter
bed can be cleaned periodically by back washing the filter
with clean filtered water. Compressed air agitation of the
sand bed helps easier back washing, better cleaning of
sand filter bed and reduces quantity of back wash water.
For this purpose a rotary air blower can be supplied as
an optional extra. Pressure gauges, Rate of flow indicators
are supplied where necessary. |
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| 'Purewat'
Water Softeners |
For flow rates from 75 litres per hour to 34,000 litres
per hour. For higher flow rate requirements Softeners can be custom designed and built. 'Purewat'
Water Softener removes the calcium and magnesium ions in the
water and replaces them with sodium ions, by using good
quality Base Exchange resin filled in a mild steel pressure
vessel. A FRP brine storage cum measuring tank and a hydraulic
educator with piping and valves are provided for easier
regeneration. The standard package type softeners are
designed for counter current system of regeneration where
salt solution is passed downwards during regeneration
while water is passed upwards during treatment. This ensures
efficient regeneration, lesser salt consumption, higher
quantity of soft water per regeneration and consistently
lesser residual hardness in soft water. The size of the
softener is determined by the soft water required per
hour and quality of raw water. |
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| 'Purewat'
Package Demineralisers |
All Demineralisers are supplied with more accurate Digital
Conductivity Meters. Four Models (Two-Bed type) of package
Demineralisers are manufactured for producing demineralised
water from 350 liters per hour to 5800 litres per hour.
These Demineralisers are also designed for counter current
system of regeneration. The cation and anion vessels in
these package Demineralisers are generally of fiber -
reinforced plastic construction and the pipework and control
valves are of PVC construction. Two separate FRP tanks
are provided to hold acid and alkali for regenerating
cation and anion units conveniently. |
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| Reverse
Osmosis Equipment |
Water with high
dissolved solids can be economically treated employing
a Reverse Osmosis (RO) System. The RO Systems are assembled
with membrane elements and a high-pressure pump, which
are imported. Many of the configurations of RO systems
have been standardized for quick deliveries lower inventory
and easier availability of spares. The pre and post treatment
systems are selected from the range of Standard Purewat
Water Treatment Systems. |
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| 'Purewat'
Portable Demineralisers |
For flow rates from 15 litres per hour to 600 litres per
hour. The two bed portable demineralisers bring down the
dissolved solids in water to less than 5 mg per litre.
These demineralisers are also designed for counter current
system of regeneration where the water flows upwards during
treatment while the regenerants are passed downwards during
regeneration. This ensures lesser chemical consumption,
higher quantity of demineralised water per regeneration
and consistently good quality of demineralised water.
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| 'Purewat'
Mixed Bed Demineralisers |
To produce I.P. Grade Demineralised water and bring down
the dissolved solids to less than 1 mg per litre 'Purewat'
mixed bed demineralisers can be employed. There are three
models in portable Mixed Bed type for producing 15 litre
per hour to 1000 litre per hour. 'Purewat' Portable Demineralisers
are offered with FRP cylinders, with cation and anion
resins, polythene tubing, six-valve module, FRP regenerant
container. A conductivity meter continuously monitors the
quality of demineralised water. |
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| 'Purewat'
Hydrogen Polisher |
Pure Water Enterprises
is the first company in the country to introduce a Hydrogen
Polisher to replace a Mixed Bed Polisher for producing,
I.P. Purified grade demineralised water. The Hydrogen
Polisher has to be employed after a two-bed demineraliser.
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| 'Purewat'
Water Treatment System |
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Where necessary, a judicious
combination of some of our equipment is offered for
proper treatment of water as a total water treatment
system. Some of the equipment which do not come under
our manufacturing range, but required for proper treatment
of water, are procured by us from reputed manufacturers
after careful consideration, and supplied along with
our equipment.
Diversification…. … Fibre Glass Reinforced
Plastic Products (FRP)
Al the FibreGlass Reinforced Plastic Tanks, Pressure
Vessels and Components are moulded at our associate
concern Pure Water Plastics under our close supervision
which helps us maintain quality and economical prices.
The firm has been instrumental in developing a number
of components and systems in Fibre glass and the development
efforts still continue
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PURE
WATER ENTERPRISES
B-9, Sidco Industrial Estate, Villivakkam, Chennai - 600 049, India
Phone : 91 - 41 - 2617 4507, 2617 0796, 2617 0797
Fax : 044 - 2617 2096
E - mail : purewater@vsnl.com
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