SHYOKO valves, committed to providing each customer with the highest standard of customer service, with the highest value for money in the valve industry. <br> Our purpose is providing the highest quality shopping experience for customers. <br> <br> Main Material：PVC、UPVC<br> Size：3/4" <br> End Connection：Socket (Slip) <br> Woking Pressure: 150psi @ 73F degree <br> Certificate：ISO <br> <br> Advantages：<br> 1. Clear PVC for corrosion resistance, high strength, and less weight than fittings made from metal. <br> 2. Operates without the need for any adjustments or settings. <br> 3. Full flow design for insignificant flow loss. <br> 4. Resistant to UV rays. <br> 5. Allows for easy removal without breaking down the piping connection. <br> <br> How To Work: <br> True Union Ball Check Valves operate without the need for any adjustments or settings. <br>Line pressure moves the solid plastic ball off the elastomer seat, opening the valve. <br>When the inlet flow stops, back pressure moves the ball back onto the seat – stopping the flow. <br> <br> 100% SATISFACTION GUARANTEED <br> We guarantee that the quality of our products will be checked before shipment.