UPVC Spring Ture Union Check Valve, 3/4inch SCH80 Swing Backflow Valve | Slip Socket Water One Way Check Valve, Full Port Ball Check Valve for($15.99Value)

Description

【Heavy-Duty Construction】Made from thick-wall SCH80 UPVC, this PVC check valve features strong chemical resistance, rust-proof and anti-scaling performance. It withstands long-term water circulation without deformation. 【Prevent Backflow】This spring check valve automatically closes when water flow stops, functioning as a reliable one way valve to block reverse water flow, effectively preventing sewage backflow, pipeline reflux and equipment damage. 【Easy to Install】Built-in internal stainless spring structure enables flexible horizontal or vertical installation. It adapts to complex pipeline layouts, solving installation restriction pain points for compact plumbing spaces. 【Working Features】Rated up to 200 PSI with a maximum operating temperature of 140°F, this PVC backflow valve is suitable for residential, commercial, pool, irrigation, and industrial water transfer applications. 【Multi-Scenario Use】Perfect for pool plumbing, irrigation systems, water treatment, pump discharge lines, aquariums, filtration equipment, and agricultural piping where reliable backflow prevention is required. This SCH80 UPVC Union Spring Check Valve is a professional plastic pipeline one-way backflow prevention fitting, supplied in six universal slip socket sizes covering 3/4 inch, 1 inch, 1-1/2 inch, 2 inch, 3 inch and 4 inch to match all standard SCH80 UPVC water supply pipes. Equipped with internal stainless spring and detachable union structure, this UPVC spring check valve supports both horizontal and vertical pipeline installation, solving the single mounting limitation of traditional swing check valves.
Key Features
6 complete slip socket size options of this SCH80 UPVC spring check valve, perfectly compatible with mainstream plastic water pipelines for residential, agricultural and industrial projects.
Built-in stainless steel spring mechanism, flexible to install horizontally or vertically, adapts to complex and narrow pipeline layout environments without installation limits.
Thick-wall SCH80 UPVC valve body with outstanding chemical corrosion resistance, rust-free and anti-mineral scaling, maintains stable sealing performance under long-term continuous water circulation.
Detachable union connection design, no need to cut pipes for disassembly and cleaning. The internal spring and rubber sealing gaskets can be independently replaced to lower pipeline maintenance costs.
Automatic anti-backflow function: the internal spring quickly closes the valve core to block reverse water flow, preventing sewage reflux, pipeline backflow and water equipment damage effectively.
Wide Applications
Swimming pool & spa circulation pipeline backflow protection Agricultural farm irrigation, garden sprinkler water supply systems.
Domestic residential water supply, drainage and plumbing renovation projects.
Light industrial factory circulating water, wastewater treatment pipelines.
Commercial landscape fountain, fish pond water circulation pipeline fittings.
This SCH80 UPVC union spring check valve integrates flexible installation, easy maintenance and reliable anti-reflux performance in one fitting, greatly reducing pipeline failure risks and long-term replacement costs for all water pipeline projects.