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The PARKER CV-1-661616 is an inline check valve designed for one-way flow control in fluid and refrigerant piping systems. Built with a polytetrafluoroethylene (PTFE) body and PTFE spring, this valve delivers strong chemical resistance and reliable sealing across a wide range of media. It is rated at 120 WOG (water, oil, gas) working pressure and carries a Cv rating of 11.800, making it suitable for moderate to high-flow applications. The PARFLARE x PARFLARE end connections allow for straightforward integration into existing flare-fitted lines. This valve is typically installed by licensed HVAC technicians, refrigeration mechanics, and plumbers working on inline flow-control applications.
This check valve is suited for residential and light commercial refrigerant, fluid, and gas piping systems where backflow prevention is required. Its 1-inch pipe size fits standard inline configurations, and the PARFLARE x PARFLARE connections are common in refrigeration and HVAC line sets. The PTFE construction makes it a strong choice in applications involving corrosive or chemically aggressive media where metal-body valves may not be appropriate.
Designed as an OEM-style replacement or new-installation inline check valve for 1-inch PARFLARE-connection piping systems in HVAC, refrigeration, and plumbing applications.
Installation should be performed by a qualified technician familiar with flare-fitting procedures. Depressurize and isolate the line fully before removing any existing valve or fitting. Verify flow direction markings on the valve body before completing the connection. Follow applicable mechanical and plumbing codes, including IPC and IFGC guidelines, for check valve placement and system pressure testing.
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