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                                                                      Products

                                                                      Clean & Diaph. Valves

                                                                      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

                                                                      connection types
                                                                      • Male thread
                                                                      • Dosing systems
                                                                      • breweries and beverage industry
                                                                      • Water treatment plants
                                                                      • chemical plants

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