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        Caleffi 574004A
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        Caleffi 574004A

        Caleffi 574 Series 574004A Pressure Zone Backflow Preventer, 1/2 in, FNPT, Lead-

        Caleffi 574004A

        Caleffi Pressure Zone Backflow Preventer, 574 Series, 1/2 in Nominal, FNPT Connection, 150 psi Pressure, Handle Operator, Flow Coefficient (Cv): 3.4 Cv, DZR Brass Body, Lead-Free/Contains Lead: Lead-Free, 150 deg F, Dimensions: 9-3/4 in L x 6-1/4 in H

        Series      :      574 Series
        Nominal Size      :      1/2 in
        Connection Type      :      FNPT
        Pressure Rating      :      150 psi
        Operator Type      :      Handle
        Flow Coefficient (Cv)      :      3.4 Cv
        Body Material      :      DZR Brass
        Lead-Free/Contains Lead      :      Lead-Free
        Temperature Rating      :      150 deg F
        Dimensions      :      9-3/4 in L x 6-1/4 in H
        • Testable reduced pressure zone backflow preventer
        • DZR low-lead brass body
        • Compliance with the following codes IPC, IRC and UPC for use in accordance with the US and Canadian plumbing codes
        • DZR low-lead brass, EN 12165 CW724R cover, PSU-POM check valve, stainless steel springs, peroxide cured EPDM diaphragms and seals, steel handle and PTFE seat ring and packing gland, brass gland nut