Foot Valve
Your Professional Foot Valve Supplier
Quanzhou Keliang Valve Co., Ltd. was established in 2000. After more than twenty years of development, the company has achieved a significant leap from small-scale production to modern automated manufacturing. Today, Keliang operates a large production base equipped with advanced production lines and testing systems. We are capable of manufacturing a wide range of high-quality valve products, including gate valves, foot valves, check valves, butterfly valves, and filters/strainers. The company is a supplier to numerous foreign trade companies and well-known valve brands.
Why Choose Us
Certifications
As an ISO 9001–certified original equipment manufacturer (OEM), we provide OEM and private label manufacturing services for many well-known large valve manufacturers both domestically and internationally.
Sales Market
The company has gradually expanded into the production of fire hydrants and has successfully entered the international market. Our products are exported to Southeast Asia, South America, the Middle East, Africa, and other countries and regions, earning the trust and recognition of customers worldwide.
Customization Available
Stainless steel valve stems, bolts, and nuts are available as optional components, depending on your target price and brand positioning.
Foot Valve Used In Pump
A foot valve is a special type of non-return valve installed at the end of a pump suction in water or at the bottom of pipelines to prevent water from flowing backward when the pump is off.
Product Parameter
| Product Name | Foot Valve Used In Pump |
| Main Material | Ductile Iron Body,Stainless Steel Strainer |
| Size | 2" to 12" |
| Pressure Rating | PN10/PN16/PN25 |
| Working Medium | Water/Sewage |
| Color | Blue/Red |
| Flange End | ANSI /GB /BS Standard |
| Temperature Range | 0℃-80℃ |
Product Material
| Body | Ductile Iron,QT450-10 |
| Strainer | Stainless Steel 304 |
| Stem | Stainless Steel 304 |
| Disc | Ductile Iron covered by EPDM |
| Spring | Stainless Steel 304 |
| Bushing | Bronze |
Foot valves are small but powerful components with many advantages:
Prevents Pump Damage
By keeping the pump primed, foot valves protect it from dry running, overheating, and wear.
Energy Efficiency
Maintaining prime reduces the energy required to re-prime the system, leading to lower power consumption.
Debris Protection
The integrated strainer screen keeps large particles, sand, or leaves out of the system.
Durability
Available in various materials (PVC, stainless steel, brass), foot valves can withstand corrosive, high-pressure, or abrasive environments.
Cost-Effective
It reduces long-term maintenance costs and extends pump life significantly.
Foot Valve Parts
On/Off Component
This part opens the valve. It can be a ball, poppet, membrane, or disc made from various materials such as brass, bronze, or steel.
Seat
The seat, which can be rubber or silicone, seals the valve off when closed, preventing media from leaking.
Body
The body contains all internal parts, including the ports, disc, and seat. It can be many different materials, such as stainless steel, brass, bronze, cast iron, or plastic.
Strainer
The strainer is a metal or plastic sieve. It helps filter debris and prevents clogging or other damage.
A typical foot valve consists of several key components:
Body: Usually made of durable and corrosion-resistant materials like PVC (polyvinyl chloride).
Screen or Strainer: Covers the inlet to prevent debris and particles from entering the valve and pump system.
Flap or Disc: The internal component that moves to allow water flow in one direction and blocks it in the opposite direction.
Spring (optional): Assists in keeping the flap or disc closed when the pump is not operating.
Seat: The surface against which the flap or disc seals to prevent backflow.
* Shut off the pump system.
* Clean the suction pipe thoroughly and remove any debris.
* Choose the right foot valve size to match the pipe diameter.
* Attach the foot valve to the suction line using the correct threads or solvent cement (for PVC).
* Ensure the valve is vertically positioned at the lowest point of the suction line.
* Submerge the valve completely in the water source (well, tank, etc.).
* Prime the pump after installation and test the system for leaks or flow issues.
Basic Design
Foot valves typically consist of a body (often made of cast iron, brass, or stainless steel), a cover, a sealing element (such as a rubber disc or flapper), and a strainer or screen to prevent debris from entering the pump.
The valve is installed at the end of the suction pipe, with the intake opening submerged in the fluid to be pumped. When the pump is activated, the fluid enters the valve, lifting the sealing element and allowing flow. When the pump stops, the sealing element returns to the closed position, preventing backflow.
FAQ