Series 9640

Stainless steel backflow preventer with threaded connections

Datasheet

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Good to know Data & Facts

Valve size

DN 15 to DN 20
1/2‘ to 3/4’

Pressure

Inlet pressure: 1.5 bar to 10 bar

Temperature

5 °C to 65 °C

Material

Stainless steel

Nominal width

DN 15 to DN 20
1/2‘ to 3/4’

Medium

Potable water

Temperature in °C

5 °C to 65 °C

Pressure in bar

Inlet pressure: 1.5 bar to 10 bar

The 9640 backflow preventer in DN10 is the stainless steel version for applications with heightened aseptic requirements.

It reliably protects drinking water systems against backflow, backpressure and back-sucking up to fluid category 4 in accordance with DIN EN 1717.

Thanks to its compact design, the 9640 is particularly suitable for integrated systems in building technology. The proven BA principle with three pressure zones ensures maximum operational safety.

The stainless steel version combines high corrosion resistance with aseptic safety, making it ideal for demanding applications.

connection types

Male thread

Dosing systems
breweries and beverage industry
Water treatment plants
chemical plants

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