For irrigation contractors, municipal water engineers, and industrial plant operators who need reliable one-way flow control at the pump suction line.
✅ 10,000+ units shipped to USA, Saudi Arabia, South Africa, Italy
Without a properly sized foot valve, water column drops every time the pump stops. Dry-run start burns mechanical seals within 47 hours average — costing $1,200+ in repairs per incident.
Manual re-priming after each shutdown wastes 15–30 minutes per cycle. In a 6-pump irrigation station, that equals 3 hours of lost productivity daily.
Non-functioning or undersized foot valves allow dirty water / debris to flow backward into clean pipelines — violating NSF/ANSI 61 standards for potable water systems.
Many offshore suppliers quote low unit prices but hide heavy freight. One US contractor reported 37% higher total landed cost vs. initial PO due to oversized packaging and unexpected duties.
Mismatched thread types (NPT vs BSP) or flange drilling templates cause field rework. A Saudi oil-field buyer lost $4,800 in labor adapting 6" flanged foot valves to ANSI 150 standard.
Our foot valves are purpose-built for continuous-duty water transfer, irrigation, and fire protection systems. Here is how each feature directly addresses your operational risks:
Ensures positive sealing at zero backpressure — no water column slip even when the pump idles overnight. Eliminates dry-run risk on startup.
304/316 mesh screen (1.5 mm perforation) stops sand, leaves, and debris before they enter the pump volute. Reduces impeller wear by up to 62% in silty water applications.
Available in NPT threaded, ANSI 150/300 flanged, and grooved (Victaulic) ends — all machined to standard tolerances. No field adaptations needed.
Bore diameter matches pipe ID (no reduction). Flow velocity stays below 2.4 m/s to minimize friction loss across the valve.
Choose from cast iron (epoxy coated), ductile iron, bronze, or 304/316 stainless steel. Each material is tested to NACE MR0175 / ISO 15156 for sour service if required.
We stock standard sizes (1"–12") in our Hebei factory. Typical lead time: 7–15 days vs. 35–60 days from Southern China or Indian suppliers.
| Parameter | Value |
|---|---|
| Size Range | 2" – 12" (DN50 – DN300) |
| Pressure Rating | ANSI Class 150 / PN16 |
| Test Pressure (Shell) | 3.0 MPa (435 psi) |
| Test Pressure (Seat) | 1.1 MPa (160 psi) |
| Temperature Range | -10°C to +120°C (14°F – 248°F) |
| Body Material | Cast Iron ASTM A126 Class B / Ductile Iron ASTM A536 |
| Disc / Seat Material | SS304 / EPDM (NBR optional) |
| Strainer Material | SS304 (316 optional) — 1.5 mm perforation |
| End Connection | ANSI B16.1 Class 125 / B16.5 Class 150 |
| Applicable Standards | ISO 9001:2015, API 608, BS 5163 |
4"–8" flanged foot valves on well-head pumps. Keeps prime across 160-acre pivots. 3,200+ units supplied to Nebraska farms since 2021.
UL-listed (in process) foot valves for diesel fire pump suction lines. Meets NFPA 20 requirements.
6"–12" ductile iron foot valves with fusion-bonded epoxy lining. Zero leak complaints in 5-year operation at Riyadh city network.
316 SS foot valves with NACE compliance for saltwater injection pumps. Used by a major Permian Basin operator.
A foot valve is a one-way check valve installed at the bottom (suction end) of a pump intake pipe. Its primary purpose is to hold the water column in the suction line when the pump stops, which keeps the pump primed and ready for instant restart. It also contains a built-in strainer to block debris.
Unlike an in-line check valve, a foot valve is specifically designed for vertical installation at the pipe intake. It has a strainer integrated into the body to protect the pump, and its spring/disc mechanism is optimized for low-pressure drop at suction side. Many foot valves also offer a “non-slam” feature to prevent water hammer.
For drinking water, lead-free bronze (ASTM B584 C89836) or 316 stainless steel with NSF/ANSI 61 certified EPDM seats are recommended. Cast iron with fusion-bonded epoxy coating is also acceptable for buried service if the coating meets NSF 61.
Threaded (NPT/BSP) foot valves are used for sizes 2" and below, typically in residential or light commercial pumps. Flanged (ANSI 150/300) valves are preferred for 2.5" and above, especially in industrial, municipal, and fire protection systems where ease of maintenance and pressure rating matter.
Yes. We have in-house engineering (10+ years experience) for OEM/ODM modifications including custom flange drilling, special thread types, non-standard screen perforation sizes, and alternative elastomers (Viton, HNBR). Minimum order quantity for custom is 50 units.
For standard sizes (2"–8" cast iron or ductile iron), we ship within 7–15 days from our Hebei factory. Air freight takes 5–7 days door-to-door. Sea freight to Houston or Los Angeles takes 25–30 days. We offer free sample for first-time buyers to verify quality before bulk order.
All Thriveon foot valves undergo 100% hydrostatic shell test at 1.5x rated pressure and 100% seat leakage test at 0.5 bar. Our spring-loaded disc design provides bubble-tight shut-off even at near-zero differential pressure.
We offer a 24-month warranty against manufacturing defects and workmanship. For high-cycle applications (>50,000 cycles/year), we recommend our stainless steel series with a 36-month extended warranty.
"We purchased 120 pcs of 3" NPT foot valves for a drip irrigation project in Sudan. The valves arrived in 11 days, and every single one held prime perfectly. The strainer mesh was finer than the competitor — stopped more sand. Will re-order."
"Thriveon's engineering team helped me select the correct spring load for a high-altitude booster station (2,800 m). The valve opens at 0.02 bar — our previous supplier's valve needed 0.08 bar. Huge improvement."
"I've been sourcing valves for 15 years. Thriveon's foot valve quality is on par with European brands, but at 30–40% lower cost. The epoxy coating on cast iron is evenly applied — no pin holes. Impressed."
Get a free sample (valve + strainer) shipped to your facility. Test under your actual operating conditions — no upfront payment.
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+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China 
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