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  • Fisher® 3/4" Outlet Connection Size Brass Back Check Valve

    Back check valves provide flow protection to container openings or liquid lines where flow is intended for one direction. The valve is normally closed until pressure activates the valve when flow is directed into piping or containers causing the back check to open. When flow stops or reverses, the check returns to the closed position.



  • Fisher® Back Check Valves

    Back check valves provide flow protection to container openings or liquid lines where flow is intended for one direction. The valve is normally closed until pressure activates the valve when flow is directed into piping or containers causing the back check to open. When flow stops or reverses, the check returns to the closed position.



  • Fisher® G200 and G201 Back Check Valves with Flow Indicator

    The G200 series back check valves are specifically intended for heavy, in-line service at the bulk plant's transfer area. The G200 series permits flow in one direction only.



  • G201 Back Check Valve with Flow Indicator

    The G200 series back check valves are specifically intended for heavy, in-line service at the bulk plant's transfer area. The G200 series permits flow in one direction only.



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