2-1/2 in. SCH-80 PVC True Union Ball Check Valve Socket-Type ASTM D2466/F1970 One-Way Flow Control

The 247Garden 2-1/2-Inch Schedule-80 PVC True Union Ball Check Valve Socket-Type is engineered for large-volume piping systems that require dependable backflow prevention, superior chemical resistance, and long-lasting service life. Designed to perform in industrial water loops, hydroponic reservoirs, irrigation manifolds, and treatment plant systems, this high-capacity valve ensures one-way flow protection with minimal pressure loss and absolute corrosion resistance.

Featuring a true union design, this valve allows for quick installation, easy removal, and full maintenance access without cutting into the pipe. This makes inspection, cleaning, and seal replacement simple, extending system reliability and uptime. Constructed from industrial-grade Schedule 80 PVC and EPDM elastomers, the 2-1/2-inch ball check valve offers enhanced pressure strength and chemical durability, suitable for residential, agricultural, and light industrial use.

Product Specifications

• Nominal Size: 2-1/2 inch

• Connection Type: Socket/Slip (solvent-weld)

• Material: Gray Schedule 80 PVC (UPVC-PW)

• Seal Material: EPDM (ethylene propylene diene monomer) for broad chemical compatibility

• Pressure Rating: Up to 235 PSI (non-shock at 73°F)

• Temperature Range: 33°F to 140°F

• Installation Orientation: Vertical preferred; horizontal acceptable with adequate pressure and flow

9-Piece Assembly Breakdown

• (2x) Schedule 80 PVC Socket End Connectors – solvent-weld ends for seamless pipe integration

• (2x) Union Nuts – secure the valve body while allowing full-service removal

• (1x) PVC Valve Body – reinforced Schedule 80 housing for strength and longevity

• (1x) Sealing Ball – precision-molded PVC ball lifts under forward flow and seals under reverse flow

• (1x) Gland (Ball Retainer) – stabilizes the ball for smooth movement and accurate seating

• (1x) Stem O-Ring – seals the stem area to prevent internal leakage

• (1x) Main O-Ring Seal (EPDM) – forms a dependable barrier against backflow, UV degradation, and mild chemical corrosion

How It Works

The valve operates through a gravity-assisted, pressure-driven ball mechanism:

• Forward Flow (Open): System pressure lifts the internal ball, allowing water to pass freely.

• Reverse Flow (Closed): When flow stops or reverses, the ball returns to its EPDM seat, forming a tight, leak-proof seal that prevents backflow.

True Union Access: Union ends allow the valve to be removed for inspection or maintenance without cutting pipe or using specialized tools.

Why Choose a True Union Ball Check Valve?

• Full Serviceability: Easy disassembly and maintenance without system disruption.

• Zero Metal Parts: No springs or metal shafts to corrode—ensuring clean water and long-term reliability.

• Quiet Operation: Soft-seating ball design minimizes water hammer and flow noise.

• High-Strength Construction: Schedule 80 PVC body delivers superior pressure resistance versus Schedule 40 options.

• Chemical Compatibility: EPDM seals resist fertilizers, chlorinated water, and mild acids.

Common Applications

• High-flow irrigation and pump systems

• Hydroponic and aquaponic recirculation setups

• Industrial and laboratory process water systems

• Water treatment and purification loops

• Aquarium and aquatic filtration return systems

• Fertilizer and chemical dosing systems

• Bypass and recirculation lines