Parker Refrigerant Check Valve: Spring Loaded Ball Check Valve, 1 1/8 in Connections
The PARKER Refrigerant Check Valve is a spring-loaded ball check valve designed for refrigerant systems. This copper-bodied valve features 1 1/8 inch connections and a 4 inch cut out, identified by manufacturer part…
SKU 3G-OTH-74250
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Product Description
The PARKER Refrigerant Check Valve is a spring-loaded ball check valve designed for refrigerant systems. This copper-bodied valve features 1 1/8 inch connections and a 4 inch cut out, identified by manufacturer part number CV11P-18FS-18FS.
Frequently Asked Questions
What is a PARKER refrigerant check valve used for?
A PARKER refrigerant check valve prevents reverse flow in refrigeration and HVAC systems. The spring-loaded ball design ensures positive shut-off, protecting compressors and system components from backflow damage in liquid, suction, or hot gas lines.
What are the specifications of the PARKER CV11P-18FS-18FS check valve?
The PARKER CV11P-18FS-18FS is a spring-loaded ball check valve with a copper body, 1 1/8 in connections, and a 4 in cut out. It is designed for refrigerant service and carries the manufacturer part number CV11P-18FS-18FS.
Where to buy a PARKER refrigerant check valve worldwide?
3G Electric supplies the PARKER CV11P-18FS-18FS refrigerant check valve to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine PARKER components for your refrigeration or HVAC application.
How to install a spring-loaded check valve in a refrigerant line?
Install the PARKER check valve in the correct flow direction as indicated by the arrow on the body. Use proper brazing techniques to avoid overheating the valve internals. Ensure the valve is accessible for future service and that the line is clean and dry before installation.
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Common applications for ParkerParker Products
3G Electric supplies Parker spring-loaded check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











