What is a PVC flap check valve?
PVC flap check valve is a type of check valve designed to allow flow in one direction only. Commonly used in applications where backflow would cause flooding or damage sensitive components, PVC flap check valve is a vital piece of many PVC systems. Because PVC swing check valves are simple to install and work automatically, they are the valve of choice for applications where stopping backflow is essential.
The Benefits of PVC flap check valves
- Automatically stops water backflow to keep pipelines stable.
- UV-resistant UPVC resists aging and fading for outdoor use.
- Fits standard sizes and installs quickly and easily.
- Corrosion-proof and maintenance-free for long service life.
PVC Flap Check Valve Information Sheet
|
Item |
Details |
|
Product Name |
PVC Flap Check Valve (PVC Flap Foot Valve) |
|
Material |
100% Virgin PVC / UPVC |
|
Standard |
DIN Standard |
|
Pressure Rating |
PN10 |
|
Connection Type |
Socket (Solvent Weld) |
|
Available Sizes (DN) |
20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 160mm |
|
Function |
One-way flow control, prevent water backflow |
|
Color |
Stock: Blue, Gray, White; Custom colors available upon request |
|
Weather Resistance |
UV-resistant (prevents aging, fading and brittleness) |
Common Applications
- Industrial Processes: Chemical treatment, cooling water, and industrial fluid pipelines
- Wastewater & Drainage: Maintain flow direction in effluent lines
- HVAC & Fire Fighting Systems: Key component in building service piping
Why choose us?
For standard sizes, the minimum order is just one carton, so you can start small. If you need something customized, just let our customer service know. We pack everything in carton boxes. The material is UV resistant, so it won't age or discolor even after long sun exposure.
If the item is in stock, we ship within one week after we receive payment. For large orders, it takes about 43 days after the deposit. Payment is 43% upfront, and the balance before shipment.
We provide free samples. We do custom labels and custom carton boxes. We're a real UPVC pipe and fittings factory based in Quzhou, so we can handle all that for you.
FAQ
Q: 1,What is PVC flap check valve used for?
A: This is a professional backflow prevention device. Its main function is to automatically block the reverse flow of water when the pipeline stops or reverses, ensuring the safety and standardization of the pipeline system.
Q: 2,Can this PVC flap check valve be installed vertically?
A: It is suitable for vertical installation scenarios. During installation, please ensure that the water flow direction is consistent with the arrow mark on the valve body, and then it can work normally.
Q: 3,How does this PVC flap check valve work?
A: It relies on the pressure of the water flow. When the water flows forward, it pushes the valve flap open to allow water to pass; when the water flow stops or reverses, the valve flap will automatically close under the action of gravity to prevent backflow.
Q: 4,What's your MOQ for these check valves?
A: 1 carton for standard sizes, we support small trial orders.
Q: 5,Can you do OEM for these check valves?
A: Yep, we offer full OEM service – custom colors, private labels, branded packaging, whatever you need.
