In any fluid handling system, the pump often takes center stage. But there’s a crucial component quietly working at the bottom of the line: the foot valve. When reliability and efficiency matter, especially in water or chemical systems, plastic foot valves offer unmatched corrosion resistance, lightweight performance, and excellent value.
As a trusted plastic foot valve supplier, we understand the impact the right valve can have on your system's longevity and stability. This guide covers everything you need to know — from how foot valves work, to why plastic is often the best material, to how to choose between UPVC and PP models.
A foot valve, also known as bottom valve, is a type of check valve installed at the suction end of a pump line. It serves two key purposes:
Maintains Pump Prime
It acts as a one-way valve, allowing liquid to flow into the pump but preventing it from flowing backward. This keeps the pump primed, avoiding dry runs that can lead to pump damage or failure.
Blocks Large Debris
A foot valve includes a strainer(filters) that keeps out solids like leaves, sand, or stones, protecting the pump’s moving parts.
Without a properly functioning foot valve, systems become inefficient, require constant maintenance, and are at higher risk of breakdowns.
Plastic foot valves have become the standard in many industries thanks to several major advantages:
Excellent Corrosion Resistance
Unlike metal valves, plastic options don’t rust or corrode — making them ideal for submersion in water, brine, or corrosive fluids.
More Affordable
Plastic valves deliver reliable performance at a significantly lower cost than stainless steel or brass alternatives.
Lightweight & Easy to Install
Their lower weight simplifies transport and installation, especially for deep suction lines or mobile systems.
Durable and Impact-Resistant
Modern materials like UPVC and PP withstand rough environments while maintaining structural integrity.
When selecting a plastic foot valve, the two most popular materials are UPVC (Unplasticized Polyvinyl Chloride) and PP (Polypropylene) — each suited for different needs.
Rigid and chemically resistant, UPVC valves are ideal for standard water-based systems. Common uses include:
Check out our UPVC Foot Valve for a durable, cost-effective solution.
Polypropylene offers higher thermal resistance and durability under demanding conditions. It’s often the go-to for industrial systems involving chemicals or hot fluids.
Explore our PP Foot Valve for high-performance fluid handling in industrial environments.
Learn more about plastic valve materials from the Plastics Industry Association.
Not all foot valves are created equal. Look for these features to ensure your system stays protected:
Fine-Mesh Screen
Protects the pump while allowing efficient water flow. A plastic foot valve with a fine screen offers extra filtration, ideal for dirty or untreated water.
Fast-Sealing Check Mechanism
A well-designed valve should shut off instantly when the pump stops to preserve the system’s prime.
Chemical-Resistant Seals
EPDM or NBR seals are essential for a tight, leak-proof closure and chemical compatibility.
Our Robust and Reliable Foot Valve for Water Pump is engineered with all of these features for maximum efficiency and reliability.
Thanks to their durability and resistance to corrosion, plastic foot valves are widely used in:
Agriculture
Vital for drawing water from ponds, wells, or canals in irrigation systems.
Water and Wastewater Treatment
Used in the intake lines of treatment facilities. Learn more about our water treatment solutions.
Residential and Commercial Systems
Ideal for well pumps, sump systems, fountains, and garden water features.
Industrial Processes
Essential in fluid transfer operations involving chemicals, slurries, or high temperatures.
The Hydraulic Institute emphasizes the importance of properly configured suction lines — including a reliable foot valve — in prolonging pump lifespan.
Though small in size, a plastic foot valve plays a massive role in keeping your pump system running smoothly. By preventing backflow and filtering debris, it reduces wear, minimizes maintenance, and protects your investment.
At Epic Valve, we offer a full line of plastic foot valves built for durability, performance, and ease of use. Need help choosing the right valve for your setup? Contact our experts — we're here to guide you.
