INSTALLATION, OPERATION AND MAINTENANCE …
installation , OPERATION AND MAINTENANCE FOR SERIES 500 K-FLO BUTTERFLY VALVESPO Box 411Berwick PA !NOTE:The valve disc must be in the closed or nearly closed position beforeinstallation of the valve in the pipeline. This is to protect the disc seating edge. Thevalve may be installed with the flow in either direction; but, seat adjustmentis facilitated when the flat side of the disc is positioned downstream (see Figure 1).Product Introduction -- K-FLO Series 500: 3 -20 IntroductionK-Flo Series 500 Butterfly Valves are heavy-duty, rubber seated butterfly valves in full compliancewith AWWA-C504 for use in municipal water treatment, power generation, and industrial instructions are intended for personnel who are responsible for the installation , OPERATION andmaintenance of your K-FLO AWWA butterfly label(s) on the product indicate hazards that can cause equipment damage, personal injury orMessagesdeath.
Table 1: Disc Torque Plug Values Valve Size Torque, Ft.-lbs. 3”, 4” 30 6”, 8” 210 10” 320 12” 380 14”, 16” 500 18” 620 20” 740 Introduction It is possible that after many years of service, the rubber components of the K-Flo Series 500
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