Dosing system for drinking water

We supply customized dosing systems for various applications. Together with our subcontractors, we design complete solutions that ensure the quality that our customers expect. A dosing system consists of a dosing pump with accessories, measuring column, documentation and user manual.

Dosing systems

Chemical dosing is used to increase the pH of water and other processes that require an increase or adjustment of water quality. Another characteristic of chemical dosing is that it complexes the metal ion (e.g. Fe2+, Mn2+, etc.), so that oxidation is avoided, and discolored water and turbidity problems do not arise.

Chemical dosing is supplied as 2 types: Krystasil 40, which is often used for surface water, and Krystasil 40R2, which is used for groundwater. Dosage amount is normally from 15-25ml/m3.

Chlorine dosing system/emergency chlorine system

Chlorine is used to create a barrier against bacteriological contamination in water. At smaller waterworks, chlorine is most often used as a reserve barrier against failure of other water treatment components called emergency chlorine systems. Chlorine is usually dosed as sodium hypochlorite (liquid) or as calcium hypochlorite (in powder form). For dosing systems that are only used as a reserve barrier, it is recommended to use calcium hypochlorite, which has a long shelf life.

A dosing system consists of a dosing pump with accessories, dosing container, manual or electric stirrer, documentation and user manual.

Additionally, dosing systems can be delivered complete on a frame solution in stainless steel. The frame is fitted with wheels, and has a handle that makes it easy to move the emergency chlorine system around the relevant areas of use. Approximate dimensions of transport frames are: L= 600mm, W= 750mm, H=1400mm.

If mains voltage is not available, we can offer a complete package for operating dosing systems with 230v, or for battery operation in cases where 230v is not available. Power supply packages contain: 12v 60amp battery, charger, 12-230v converter, dosing nipple, 20m dosing hose and a cabinet for electronics.

Typical applications for dosing systems:

pH adjustment
Fixed chlorination

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Products for drinking water

CRYSTAL FILTRATION

Krystall Full purification plant is a well-tested water plant for color removal, specifically developed for natural Norwegian water.

This plant is suitable for both small and medium-sized water treatment plants with capacity requirements of between 60 and 2500m3/day.

SAND FILTRATION FOR PROSESS WATER

BW is a continuous sand filter developed in collaboration with customers and is used, among other things, to filter and produce drinking water. Contact filtration on this type of filter is characterized by precipitating chemicals (aluminum chloride) added to the water so that flecks are formed in the sand filter which retain both organic and inorganic particles.

LIT UV-PLANT

UV (ultraviolet radiation) is regarded worldwide as an incredibly reliable, cost-effective and environmentally friendly solution for disinfecting water.

UV radiation destroys the genetic structure of microorganisms in water and prohibits the organisms’ ability to reproduce. Bacteria, viruses and cysts in the water are effectively inactivated (disinfection efficiency 99.99%).

Our facilities cover all needs and capacities. They are approved by FHI (public health institute) and hold Ø-norm certification.

water storage tank

Unik Filtersystem is a supplier of elevated pools and buried water tanks for storing of drinking water. The elevation pool/storage tank is used as a buffer, before the drinking water is distributed to consumers. The main purpose of the pool is to smooth out variations in water consumption and ensure water supply to residents in the event of power cuts or other operational disturbances.

HOUSE AND CABIN WATER TREATMENT

Although we already have amazing water in Norway, clean water is unfortunately not always a given.

Many water sources contain viruses, bacteria, iron, manganese, lime and humus etc.

This can often result in an upset stomach, illness and absence from work.

PRESSURE FILTER FROM AMIAD

Pressure strainers are often used ahead of other processes, in connection with UV systems or as a stand-alone unit to improve water quality, or to prevent damage or deterioration of other equipment.

DOSING PLANT

CONTAINER SOLUTION

As an alternative to traditional construction, we also carry water treatment in insulated steel containers from Container Norway. This is a well-suited service for smaller waterworks, and for those who want a more “mobile” solution.

CONTACT

Invoice address

EHF
943 578 990

Alternative PDF:
andri.havardstun@vrmail.no

Remember to mark the invoice with the project number and contact person