A 1.5-inch foot valve is installed at the bottom of a pump suction line to maintain prime and prevent backflow. It's commonly used in water wells, irrigation pumps, booster stations, and industrial fluid systems where reliable one-way flow is critical.

SS304 is cost-effective for fresh water, irrigation, and mild environments. Choose SS316 if your fluid contains chlorides, brackish water, or chemicals. For sewage or abrasive media, our ductile iron option with epoxy coating offers excellent wear resistance.

Yes. We provide full OEM service: custom casting with your brand, specified thread sealant, torque marking, and packaging. Minimum order quantity for OEM is 300 pcs. Engineering drawing approval within 48 hours.

For standard SS304 or ductile iron, lead time is 15–18 days from order confirmation. SS316 and custom orders typically take 20–25 days. We ship via Qingdao port with full container or LCL options.

Every unit undergoes 100% hydrostatic shell test at 1.5x rated pressure (300 PSI) and an air seat leakage test at 80 PSI. A test report with batch traceability is included with each shipment.

Absolutely. We provide up to 3 free samples for qualified buyers. You pay only the shipping cost. Samples are fully tested and ready within 5 days. Request your sample here.

Our main warehouse is in Ningjin, Hebei, China. However, we partner with freight forwarders in Los Angeles and Houston for fast LCL consolidation. Typical door-to-door time to US mainland is 22–28 days.

We provide a 12-month warranty against manufacturing defects from the date of shipment. For OEM customers, extended warranty up to 24 months is available under annual volume agreements.