Product Details Supplier Info More products

Dosatron’s D3 dosing pump is used to meter out and mix liquids or water-soluble concentrates and is based on a driving system made of the thermoplastic Victrex PEEK polymer.

The pump is founded on a simplified design of the water motor with no metal parts.

When connected to the water mains, the Dosatron pump uses water pressure as its exclusive driving force.

The water pressure forces the concentrate downstream and the required amount is metered and mixed with the propulsion water.

The solution produced in this manner is then pumped into a water pipe.

The dose of concentrate will be directly proportional to the volume of water entering the Dosatron pump, regardless of variations in flow and pressure that may occur in the main line.

The Dosatron development department has optimised the concept of a simplified differential hydraulic piston motor (17 parts instead of 52 parts).

This has been possible as a result of two Dosatron patents.

The new design does not contain a single metal part and features a valve driving system with a spring blade made with the thermoplastic Victrex PEEK polymer.

The mechanical properties of this polymer have enabled Dosatron engineers to proceed along a new course in product development.

The properties of Victrex PEEK, including excellent creep resistance, a high yield strength and fatigue performance even at high loads, have made it possible to develop a reliable spring function.

This injection-moulded part eliminates the need for mounting of metal parts.

Corrosion problems that can be associated with special steel springs are now avoided as a result of Victrex PEEK’s high level of chemical resistance even in aggressive environments.

The polymer’s resistance to fluids such as acids and chlorine products enables the dosing pump to be deployed in various application areas.

The Dosatron dosing pump motor, designed without any metal parts around a high-performance spring made of Victrex PEEK, offers improved reliability and longer life because of fewer moving parts.

The maximum water flow of the D3 pump has been increased to 3m3/h, without increasing the frequency of cycles or pressure loss, while keeping the minimum flow at 10 litres/h.

The dosing rates of models currently available have been extended to 0.2 – 2 per cent, 0.5 – 5 per cent and one – 10 per cent, while models with dosing rates of 0.05 – 0.5 per cent and 5 – 25 per cent will be added in 2009.

The injection settings cover injection rates of between 0.005 and 500 liters per hour, with complete accuracy being maintained over the entire range.

This increase in injection capacity also applies to intake suction of viscous products (powder solutions or liquids).

Victrex Europe

View full profile