304 Stainless Steel Float Ball Valve – Auto Water Level Control

304 Stainless Steel Automatic Float Ball Valve – 1/2" & 3/4" Water Level Control

Take the guesswork out of water management with this fully automatic 304 stainless steel float ball valve. Designed for tanks, cisterns, troughs, and reservoirs, this miniature valve automatically opens and closes based on water level — no electricity, no sensors, no manual intervention required. Available in both 1/2" and 3/4" female threaded sizes to suit a wide range of applications.

Why Choose This Float Ball Valve?

• Premium 304 Stainless Steel Construction – Highly resistant to corrosion, rust, and wear, ensuring long-lasting performance in wet environments
• Fully Automatic Operation – The buoyant float rises and falls with the water level, automatically shutting off flow when full and reopening as water is used
• Compact Miniature Design – Space-saving form factor ideal for tanks, water towers, livestock troughs, and irrigation reservoirs
• Threaded Female Connection – Easy, leak-free installation with standard 1/2" or 3/4" female NPT/BSP threaded fittings
• Handles Up to 850 kPa Pressure – Rated for high-pressure water supply lines, making it suitable for mains-connected systems
• Copper Internal Components – Durable copper body with stainless steel exterior ensures reliable sealing and smooth valve operation
• Wide Application Range – Perfect for water tanks, aquaculture, livestock watering systems, garden irrigation, toilets, and industrial reservoirs

Specifications

• Material: 304 Stainless Steel (exterior) / Copper (internal components)
• Connection Type: Threaded – Female
• Available Sizes: 1/2" | 3/4"
• Max Working Pressure: <850 kPa
• Operation: Fully Automatic (float-actuated)
• Country of Origin: Made in China

Common Applications

• Household & commercial water storage tanks
• Livestock and agricultural watering troughs
• Irrigation holding tanks and reservoirs
• Aquaculture and fish pond water management
• Toilet cisterns and plumbing systems
• Industrial water supply control

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For guidance on safe water system installations and plumbing standards, visit the U.S. EPA WaterSense Program for water efficiency resources and best practices.

Frequently Asked Questions

Q: What sizes does this stainless steel float ball valve come in?

A: This automatic float ball valve is available in two standard sizes — 1/2 inch and 3/4 inch female threaded connections — making it compatible with the majority of residential and commercial water tank plumbing configurations.

Q: What is the maximum water pressure this valve can handle?

A: This float ball valve is rated for working pressures of less than 850 kPa, making it suitable for both gravity-fed systems and mains-connected water supply lines.

Q: How does the automatic water level control work?

A: The valve uses a buoyant float attached to the valve mechanism. As the water level in your tank drops, the float descends and opens the valve to allow water to refill. Once the water reaches the set level, the float rises and closes the valve automatically — maintaining a consistent water level without any manual effort or electricity.

Q: Is this valve suitable for outdoor or corrosive environments?

A: Yes. The 304 stainless steel exterior provides excellent resistance to corrosion, oxidation, and rust, making it well-suited for outdoor tanks, agricultural troughs, and other wet or humid environments.

Q: Is this float valve easy to install?

A: Absolutely. The female threaded connection allows for straightforward installation using standard plumbing fittings. Simply thread the valve into your tank's inlet port — no special tools or expertise required for most standard installations.