Copper Bottom Valve Filter Screen Anti-Backflow Check Valve

Copper Tower Bottom Valve with Filter Screen & Check Valve

Keep your self-priming pump system running smoothly with this heavy-duty copper bottom valve. Engineered with a built-in filter screen and spring-loaded anti-backflow mechanism, this inlet check valve prevents reverse water flow and protects your pump from debris — ensuring consistent, reliable performance in demanding water systems.

Why Choose This Bottom Valve?

• Solid Copper Construction: Durable, corrosion-resistant copper body withstands harsh water conditions and delivers long-lasting performance.
• Integrated Filter Screen: Built-in mesh filter captures sediment, debris, and particles before they reach your pump, reducing maintenance and wear.
• Spring-Loaded Anti-Backflow Design: Prevents water from flowing back into the source when the pump is off, maintaining prime and system pressure.
• Quick-Release Union Connection: Easy snap-on fitting for fast, tool-free installation or removal — ideal for maintenance situations.
• High-Pressure Rated: Rated for pressures up to 850 kPa, suitable for a wide range of residential and light commercial pump applications.
• CE Certified: Meets European compliance standards for quality and safety.
• Versatile Pipe Insertion Fit: Designed to insert directly into standard pipe configurations for a secure, leak-free seal.

Specifications

• Material: Copper
• Connection Type: Quick-Release Union
• Max Pressure: <850 kPa
• Valve Type: Bottom / Check Valve
• Certification: CE
• Country of Origin: Made in Mainland China

Ideal Applications

This copper bottom valve is perfect for:

• Self-priming water pump inlet connections
• Agricultural and garden irrigation systems
• Residential water supply and transfer setups
• Industrial fluid handling pipelines
• Well pump and sump pump configurations

Learn More About Pump Safety & Water Systems

For guidance on safe installation and water system best practices, visit the U.S. Consumer Product Safety Commission (CPSC) for relevant safety standards and recommendations.

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Learn more: Check valve

Frequently Asked Questions

Q: What is a bottom valve and how does the check valve function work?

A: A bottom valve is installed at the inlet of a self-priming pump's suction pipe, typically submerged in the water source. The built-in check valve uses a spring-loaded mechanism to allow water to flow into the pump while automatically closing to prevent backflow when the pump stops — maintaining the system's prime and protecting pump integrity.

Q: What pipe sizes is this copper bottom valve compatible with?

A: This valve uses a quick-release union connection style and is designed for insertion into standard pipe configurations. Please verify the pipe diameter matches the valve's fitting size before purchasing. Check the product variant options or contact us for specific sizing guidance.

Q: Is this valve suitable for outdoor or irrigation use?

A: Yes. The solid copper construction makes this valve highly resistant to corrosion and well-suited for outdoor environments, garden irrigation systems, agricultural water transfer, and other demanding water handling applications.

Q: What does the filter screen do, and how do I clean it?

A: The integrated mesh filter screen traps sediment, sand, and debris from entering your pump system. To clean it, simply disconnect the valve using the quick-release union fitting, remove the screen, rinse it thoroughly with clean water, and reinstall. Regular cleaning extends the life of both the valve and your pump.