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The IPEX 52128 is a 3/4-inch CPVC tru-union ball check valve designed for use in corrosive-fluid piping systems where backflow prevention is required. The tru-union design allows the valve body to be removed from the line without disturbing the end connections, making in-line service and inspection straightforward. Socket and female pipe thread (FPT) ends provide flexible installation options. FPM (fluoroelastomer) seals deliver broad chemical resistance, making this valve a practical choice for chemical feed, water treatment, and industrial process lines. Licensed plumbers and pipe fitters are the typical installers for this product type.
This valve is suited for residential and light commercial plumbing and fluid-handling applications where CPVC thermoplastic construction is specified over metal. Typical install scenarios include chemical dosing systems, pool and spa chemical lines, and potable or process water systems where corrosion resistance and low system weight are priorities. The tru-union end configuration is particularly useful in tight mechanical rooms or equipment skids where periodic valve removal is anticipated.
Designed as an OEM-style replacement or new-installation ball check valve for 3/4-inch CPVC piping systems requiring backflow prevention with tru-union serviceability.
Installation should be performed by a licensed plumber in accordance with applicable IPC or local plumbing code requirements. Depressurize and drain the line fully before removing or installing the valve. Use appropriate CPVC solvent cement on socket ends per the cement manufacturer's instructions and allow full cure time before returning the system to service. Do not overtighten threaded FPT connections, as CPVC fittings are susceptible to stress cracking from excessive torque.
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