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Rubber Flap Check Valve
The Rubber Flap Check Valve supplied by FYL is a cost-effective check valve solution designed for pipeline system procurement, suitable for applications in water treatment, municipal sewage management, and industrial fluid transport. Centered on a rubber-encased disc structure, this product ensures stable unidirectional flow control, delivering reliable performance in preventing backflow, mitigating water hammer effects, and protecting upstream equipment.
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Product Description
The Rubber Flap Check Valve supplied by FYL is specifically designed for industrial pipeline procurement and system integration, offering a check valve solution characterized by its simple structure and stable operation. By utilizing a rubber-coated flap that automatically opens during forward flow and rapidly closes during reverse flow, the valve effectively controls the direction of media flow, thereby mitigating the risk of equipment damage and enhancing overall system operational safety.
In practical applications, this valve is suitable for a wide range of complex operating conditions, including environments involving wastewater containing solid particles, general industrial water, and low-pressure gases. Its rubber disc undergoes specialized processing to ensure consistent performance in terms of both wear resistance and sealing integrity; furthermore, it provides a certain degree of cushioning effect, which helps to mitigate the impact associated with water hammer phenomena. For pipeline procurement professionals, the FYL Rubber Flap Check Valve also offers tangible value in terms of ease of installation and the control of long-term maintenance costs.
Why Pipelines Need This Valve
Without a reliable check valve, pipelines face three risks:
- Backflow damages pumps and upstream equipment
- Contaminated fluid flows back into clean sources
- Water hammer creates loud noise and pipe stress
The FYL Rubber Flap Check Valve solves all three.
What Makes This Valve Different
Not all check valves are equal. Here is what sets the FYL rubber flap check valve apart:
- Corrosion resistant: Works in harsh environments including sewage and chemical applications. Performance does not degrade.
- Low maintenance: Simple design with fewer moving parts. Less to break. Less to repair.
- Quiet operation: Soft closing rubber flap reduces water hammer. No loud slamming. No pipe stress.
- Energy saving: Low pressure loss during operation. System runs more efficiently.
- Heavy-duty durability: Designed for demanding operations. Rubber flap is specially processed for longer life.
- Wide application range: Handles clean water, sewage, mud, and other media. Works across water treatment, sewage systems, and general industry.
Where to Use This Valve
The rubber flap check valve is suitable for:
Application 1: Water Treatment Plants
- Controls flow direction in filtration and pumping stations
Application 2: Sewage Systems
- Handles dirty water and solid-laden fluids without clogging
Application 3: Industrial Pipelines
- Works with water, water vapor, and air containing small amounts of dust
Installation Tip
Connect the valve to the pipeline tightly. Improper installation causes leakage. Do this right, and the valve works normally.
Technical Specifications
Pressure Ratings:
Nominal Pressure PN6 → Working Pressure ≤0.6MPa | Strength Pressure 0.9MPa | Seal Pressure 0.66MPa
Nominal Pressure PN10 → Working Pressure ≤1.0MPa | Strength Pressure 1.5MPa | Seal Pressure 1.1MPa
Nominal Pressure PN16 → Working Pressure ≤1.6MPa | Strength Pressure 2.4MPa | Seal Pressure 1.76MPa
Nominal Pressure PN25 → Working Pressure ≤2.5MPa | Strength Pressure 3.75MPa | Seal Pressure 2.75MPa
Nominal Pressure PN40 → Working Pressure ≤4.0MPa | Strength Pressure 6.0MPa | Seal Pressure 4.4MPa
Medium: Water, water vapor, air containing small amounts of dust, etc.
Temperature: Below 80°C
Performance Specifcation
|
Nominal Pressure |
working pressure |
Strength pressure |
Seal pressure |
|
MPa |
Mpa |
Mpa |
|
|
PN6 |
≤0.6 |
0.9 |
0.66 |
|
PN10 |
≤1.0 |
1.5 |
1.1 |
|
PN16 |
≤1.6 |
2.4 |
1.76 |
|
PN25 |
≤2.5 |
3.75 |
2.75 |
|
PN40 |
≤4.0 |
6 |
4.4 |
|
Medium |
Water, water vapor, air containing a small amount of dust, etc. |
||
|
Temperature |
<80℃ |
||
Common Questions (Answered)
Q: How long does this valve last?
A: Designed for heavy-duty operations. Rubber flap is specially processed for durability.
Q: Is it easy to install?
A: Yes. Simple design. Just connect tightly to the pipeline to prevent leakage.
Q: Does it work for sewage?
A: Yes. Corrosion resistant and handles mud, sewage, and clean water.
Q: What about noise?
A: Soft closing rubber flap reduces water hammer. Much quieter than traditional swing check valves.
Why Buy from FYL
More than ten years of industry experience
Complete manufacturing system
Specialized in water conservancy machinery
Customized production supported
Professional service and technical support
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