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                                                                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: 22 psi to 145 psi

                                                                Temperature

                                                                41 °F to 149 °F
                                                                Material

                                                                Stainless steel

                                                                Nominal width

                                                                DN 15 to DN 20
                                                                1/2‘ to 3/4’

                                                                Medium
                                                                • Potable water
                                                                Temperature in °F

                                                                41 °F to 149 °F

                                                                Pressure in psi

                                                                Inlet pressure: 22 psi to 145 psi

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

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