A foot valve is installed at the bottom of a pump suction line to maintain prime by preventing backflow. It also includes a built-in strainer to filter debris, protecting the pump from damage.

For clean water, cast iron or brass is cost-effective. For corrosive fluids or seawater, use 316 stainless steel. For oil & gas, consider bronze or ductile iron with epoxy coating. Our engineers can recommend based on your fluid chemistry.

Absolutely. We offer full OEM/ODM services, including custom dimensions, thread standards (NPT/BSP), pressure classes, and screen mesh sizes. Minimum order quantity for custom specs is typically 100 pieces.

Stock sizes (1"–4") ship within 5–7 days. Production orders take 15–25 days. We offer DDP (Delivered Duty Paid) terms for US customers, meaning no surprise customs charges. Shipping costs are 20–30% lower than competitors due to our consolidated logistics.

Every valve undergoes 100% hydrostatic pressure testing, seat leakage test, and dimensional inspection. Our ISO 9001:2015 certified factory follows strict SPC. We also provide test certificates with each shipment.

Yes, we provide free samples to qualified buyers. You only pay for shipping (which is credited on your first production order). Contact us to request a sample of your preferred model.

Install the foot valve at least 2 feet above the bottom of the sump to avoid sucking in sediment. Ensure the arrow on the body matches flow direction. Use PTFE tape or pipe dope on threaded connections. Submerge fully before pump startup.

For standard stock sizes, MOQ is 10 pieces to test the waters. For full production orders, MOQ is 200 pieces per size. We can also arrange mixed containers with different valve types to optimize your budget.