Foot Valve

Your Reliable Foot Valve Supplier

Foot valves are non-return valves installed at the suction end of pump systems, designed to prevent backflow, maintain pump priming, and protect equipment from dry running, ensuring stable and efficient fluid transfer.

General Technical Specifications

Parameter	Specification
Size Range	2” – 12” (DN50 – DN300)
Pressure Rating	PN10 / PN16 / PN25
Connection Type	Flanged (ANSI / DIN / BS)
Body Material	Ductile Iron QT450-10
Strainer Material	Stainless Steel 304
Disc Material	Ductile Iron with EPDM
Stem Material	Stainless Steel 304
Seal Material	NBR / EPDM
Working Medium	Water / Sewage
Operating Temperature	0°C – 80°C

Key Features

Instant Priming & Zero Backflow
Precision-machined non-return mechanism seals tightly under backpressure, holding fluid in the suction line to maintain pump prime and prevent dry running.

Heavy-Duty Clog Protection
Integrated stainless steel or ductile iron strainer screens out large debris and solids while maintaining maximum flow area to minimize pump cavitation.

Low Fluid Resistance
Optimized internal flow cavity minimizes hydraulic friction and head loss, ensuring high flow efficiency during continuous pumping operations.

Product Types

Flanged Foot Valve
Designed for secure installation in large pipeline systems with stable sealing performance.

Foot Valve with Strainer
Integrated filtration structure prevents clogging and protects downstream equipment.

Stainless Steel Foot Valve
Suitable for corrosive environments or higher hygiene requirements.

Customization Options

We provide OEM & ODM customization based on application and system requirements:

Customized size, pressure rating, and connection standards

Optional stainless steel internal components

Special materials for corrosive or abrasive environments

Strainer mesh size customization

Branding, marking, and packaging customization

Quality & Compliance

Manufactured under ISO 9001 quality management system

Pressure and sealing performance tested before delivery

Material traceability for key components

Inspection of strainer integrity and sealing performance

Compliance with international standards (ANSI / DIN / BS)

Optional third-party inspection (SGS, BV, Intertek)

Packaging & Logistics

Standard export packaging (wooden cases, pallets)

Moisture-proof and anti-corrosion protection

Flexible shipping methods (sea, air, express)

Delivery coordination to meet project timelines

FAQ

Q: How does your foot valve minimize head loss and preserve the Net Positive Suction Head (NPSH) of our pump systems?

A: Our foot valves are engineered with an optimized, streamlined hydrodynamic internal cavity. This profile significantly reduces localized fluid turbulence and hydraulic resistance, ensuring minimal head loss and protecting your suction system against pump cavitation during continuous high-flow operations.

Q: What is the open area ratio of the integrated strainer, and can the mesh size be customized for sewage applications?

A: The integrated stainless steel 304 strainer features a high open area ratio that exceeds the pipe cross-sectional area, ensuring unrestricted fluid intake while screening out large debris. For harsh or high-solids applications like sewage, we offer full customization of the strainer mesh size and perforation layout to prevent debris accumulation and premature clogging.

Q: Can your flanged foot valves ensure a bubble-tight seal under ultra-low backpressure conditions to maintain pump prime?

A: Yes. The precision-machined ductile iron disc combined with our high-resiliency EPDM or NBR seats forms a reliable, positive seal driven by a quick-closing weight mechanism. This structure closes instantly as flow reverses, reliably holding the fluid column even under very low head pressures to prevent dry running upon system restart.

Q: Do you offer premium material upgrades if the foot valve is completely submerged in corrosive or abrasive working mediums?

A: Absolutely. While our standard build features a heavy-duty Ductile Iron QT450-10 body and stainless steel 304 strainer, we offer advanced technical customization. For corrosive chemical media or highly abrasive fluids, you can specify full stainless steel 304 or 316 configurations for the body, disc, stem, and entire internal trim assembly.

We're known as one of the most professional foot valve manufacturers and suppliers in China, also support customized service. We warmly welcome you to buy high quality foot valve made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us. 50MM Foot Valve, Ductile Iron Foot Valve, Foot Valve 150MM