UPVC Spring Ture Union Check Valve, 3inch SCH80 Swing Backflow Valve

Key features

• Heavy-Duty ConstructionMade 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 BackflowThis 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 InstallBuilt-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 FeaturesRated 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 UsePerfect for pool plumbing, irrigation systems, water treatment, pump discharge lines, aquariums, filtration equipment, and agricultural piping where reliable backflow prevention is required.

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