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IdroService - Model TWE Series -Reverse Osmosis Systems
TWE series reverse osmosis systems are particularly suitable for desalination of water with moderate salinity (TDS up to 1500 ppm) for industrial and civil application.The TWE series, thanks to the high degree of standardisation, offers an excellent quality/price ratio and low running costs. These are reduced to a minimum through the use of membranes that allow high EXTRA LOW ENERGY production of permeate (de-mineralized water) at low pressure operations, reducing costs of energy and power.
The management of the system is fully automated through the ROMINI AQUASTAR electronic programmer that controls the operation of the following utilities:
- pre-feed pump (only clean contact );
- solenoid inlet valve ;
- high pressure pump;
- dosing pumps;
- automatic membrane flushing system;
- stop / start system.
One of the outlets is energized when the alarms and locks are functioning, in order to remotely control the operation of the system.
- In addition, the LCD display continuously shows:
- the totalizer of working hours;
- the value of the conductivity of the water produced ;
- and indicates the causes of shut-down due to:
- a full permeate tank;
- low pressure alarm;
- high pressure alarm;
- high conductivity alarm (permeate);
- thermal pump overload alarm;
- backwash or regeneration of pre-treatment systems;
- lack of pre-treatment chemicals (eg. antiscalant).
The standard equipment of TWE consists of :
- double stage pre-filtration with activated carbon and polypropylene cartridge 5 micron;
- anodized aluminum frame;
- solenoid inlet valve;
- minimum pressure switch (adjustable);
- brass rotary vane pump;
- glycerin filled pressure gauge;
- max pressure swich (adjustable);
- pressure vessels in PRFV (fiberglass);
- membranes EXTRA-LOW ENERGY Dow-Filmtec or Applied Membranes Made in U.S.A;
- needle valve stainless steel AISI 316;
- electronic programmer AQUASTAR RO-MINI full of conductivity control;
- automatic flushing valve;
- pair of flow meters for flow rates measurement of permeate and concentrate;
- float level switch for permeate storage tank;
- pipes and fittings such as John Guest or similar.
Optional dosing pumps for antiscalants and chlorine reducer. The TWE R.O. plants use components tested and certified for use with drinking water.