Foot Valve — Products & Sub-categories
Foot Valve
Prevents reverse flow in pump suction lines while maintaining fluid within the system during pump operation.
Pump suction systems require reliable protection against reverse flow while maintaining pump priming and preventing debris from entering the suction line. African Valve, a Foot Valve Supplier in South Africa, provides foot valves designed for installation at the bottom of pump suction lines. These valves allow fluid to enter the pump during operation while preventing the liquid column from draining back when the pump stops. The integrated strainer helps prevent stones, debris and suspended particles from reaching the pump. Foot valves are commonly used across water supply, irrigation, pumping stations, water treatment and industrial water applications.
Foot Valve Features
Pump priming – Helps maintain the water column in the suction line after pump shutdown.
Non-return function – Prevents reverse flow from the suction line back to the source.
Integrated strainer – Helps prevent debris and solid particles from entering the pump.
Self-actuated operation – Opens and closes automatically according to flow conditions.
Low pressure drop – Optimised flow passages help maintain efficient suction conditions.
Corrosion-resistant construction – Material options can be selected according to service requirements.
Multiple connections – Available with flanged or threaded end connections.
Wide application range – Suitable for water supply, irrigation, pumping and industrial systems.
Technical Specifications
Parameter | Specification |
Function | Non-Return / Pump Priming / Filtration |
Size Range | Typically, DN25 to DN600 |
Pressure Rating | PN10 / PN16 / PN25 / Class 150, depending on design |
Strainer | Stainless Steel / Cast Iron / Application-Specific Material |
End Connection | Flanged / Threaded |
Operation | Self-Actuated |
Installation | Pump Suction / Vertical Suction Line |
Materials & Components
Component | Material Options |
Body | Cast Iron / Ductile Iron / Stainless Steel / Bronze |
Disc | Ductile Iron / Stainless Steel / Bronze |
Stem / Internal Components | Stainless Steel / Bronze |
Seat / Seal | EPDM / NBR / Application-Specific Materials |
Strainer | Stainless Steel / Cast Iron / Galvanized Steel |
Spring | Stainless Steel, where applicable |
Fasteners | Stainless Steel / Application-Specific Material |
Applications
- Water Supply - Maintains water flow and pump prime in suction lines
- Irrigation - Supports reliable water intake and pumping systems
- Pumping Stations - Prevents backflow and loss of pump prime
- Borewell Systems - Installed on submerged suction lines
- Fire Protection - Supports water intake and pumping arrangements
- Water Treatment - Used in raw-water and process-water pumping
- Marine - Suitable for seawater and marine pumping systems
- Industrial Utilities - Used in utility-water and cooling-water systems
- Process Water - Maintains the water column and prevents drain-back
Testing & Standards
Foot valve testing and inspection requirements depend on the selected construction, material, pressure rating and connection configuration. Applicable requirements may include dimensional inspection, pressure testing, seat leakage testing and functional checks. African Valve specifies API 598 and ISO 5208 for testing of its foot valve range, while individual South African manufacturers may use product-specific standards and specifications.
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