TP PUMPS - Ultra Violet Purifiers

Micro-organisms in water supplies within the United Kingdom can include bacteria (including E. Coli), viruses and cysts. Although many are harmless, exposure to these dangerous micro-organisms can result in severe illness. Especially vulnerable are the elderly people, those with weakened immune systems and small children.

In addition where private water supplies are used for commercial purposes, e.g. dairies, campsites, holiday cottages, etc. the local Environmental Health Department are empowered to test such supplies regularly and will condemn supplies which exhibit any bacteriological contamination.

Ultra violet sterilization is a highly effective, economical and safe way to remove harmful micro-organisms from water supplies without the need for chemicals and without affecting the taste.

Ultra violet light is a natural component of sunlight, falling just below the visible light region of the electromagnetic spectrum. Higher energy wavelengths of UV light have the ability to destroy micro-organisms (bacteria, viruses, cysts, etc) in water or air, stopping the ability to multiply and cause infection this then leading to illness.

Installation is very simple; the ultra violet sterilizer is mounted on a wall, coupled to the incoming water supply pipe with standard plumbing fittings and connected to the electricity supply. If there is any doubt about the clarity of the water a simple five micron sediment filter should be fitted before the sterilizer.

How does UV Sterilization work?

UV system water purifiers work by emitting a low-pressure mercury vapour discharge lamp which is surrounded by a water jacket whose inner wall is made of a special quartz material to transmit UV light. The lamp produces a very strong spectral line at around 254nm in the shortwave UVC region; this is a waveband most lethal to micro-organisms. The UV light shines powerfully through the water passing along the unit, and the micro-organisms are inactivated by the destruction of the nucleic acid in the cells.

Choice of unit

Your UV unit must be chosen in accordance with the maximum rate of water flow that will be required.

We recommend that the entire water supply is treated rather than just fitting a small UV unit to supply the kitchen tap only, although this will satisfy the environmental health tests, we consider that to be a counterproductive since the majority of kitchen water is boiled. Other rooms in the house, for instance the bathroom where untreated water may be used for drinking, cleaning teeth, bathing or showering.

Wedeco 3-Series

3 Series

The small 3-Series 15/3P model is designed to treat a single tap only and is not recommended for a total house supply. The 3-Series 15/3P will restrict the water supply to 8 litres per minute.

The larger 3-Series 30/3P model, can treat a standard domestic household, this model treats a flow of 19 litres per minute, this is suitable for kitchen and bathrooms appliances coming off the rising main.

Wedeco Aquada UV

The Aquada series are compact UV sterilizers and are available in a number of sizes to cater for a wide range of flow rates.

The Aquada 2 can treat a maximum flow rate of 38 litres per minute and is ideal for larger houses and those with untreated hot water systems.

The Aquada 4 can treat a flow rate of 66 lpm and is ideal for groups of houses, dairy farms etc.

Larger models are available to suit the requirements of holiday parks, factories etc.

Ultraviolet is light with very high energy levels and a waveform of 200-400 nm. One of the most effective wavelengths for disinfection is 254 nm. This is the main component of the Aquada UV lamp output.

Installation

The unit can be fitted anywhere within the water system provided that the maximum pressure is not exceeded and that maintenance is possible. In general, the slower the water flow, the more efficient the UV sterilizer will perform and it is best positioned closer to the points of use.

Maintenance

Routine servicing normally just takes a few minutes per year. It is recommended that the UV tube is changed every 12 months (if continuous use), or after 1-2 thousand hours of intermittent usage. Replacing the UV tube can simply be done in a matter of a few minutes and there will be no water spillage, the UV tube should be examined and cleaned where necessary (although, the UV tube may never need a clean). Filter cartridges will normally last for several months depending on the quality of your water supply.

The Aquada series are compact UV sterilizers and are available in a number of sizes to cater for a wide range of flow rates.

The Aquada 2 can treat a maximum flow rate of 38 litres per minute and is ideal for larger houses and those with untreated hot water systems.

The Aquada 4 can treat a flow rate of 66 lpm and is ideal for groups of houses, dairy farms etc.

Larger models are available to suit the requirements of holiday parks, factories etc.

MODEL	MAX FLOW	POWER REQUIREMENTS	DIMENSIONS (HxWxD)
15/3P	8 lit/min	19W	300 x 500 x 110
30/3P	19 lit/min	37W	300 x 1000 x 110
AQUADA 2	38 lit/min	55W	670 x 95 x 70
AQUADA 4	66 lit/min	55W	675 x 129 x 102
AQUADA 7	116 lit/min	84W	1035 x 132 x 102
AQUADA 10	166 lit/min	84W	1040 x 180 x 140