(6 pieces) 1/2 inch automatic radiator bleed valve, radiator air bleed valve, brass automatic shut-off valve, auto-bleed valve

Enough for Use: You will receive 6 automatic radiator bleed valves, enough for repeated use and replacement, saving you time and energy. They are ideal for homes with multiple radiators and for use with radiators that have 1/2-inch (15 mm) vent plugs. They can also be manually bled.

Long-Term Use: The radiator vent valve is primarily made of brass, which is strong, reliable, sturdy, and durable. It is not easily broken, deformed, or rusted. The seal is made of silicone, ensuring long-term use.

Temperature and Pressure Resistance: The maximum operating temperature of our automatic radiator vent valve is 100 degrees Celsius, and the maximum working pressure is 10 bar.

It features an automatic non-return function, and the valve core can be replaced during operation, which is convenient and practical. Self-sealing design: The car radiator air valve adopts a self-sealing O-ring thread design. The automatic exhaust is actuated by spring-loaded discs, which seal upon contact with water and open upon contact with air, allowing it to escape. Please note that this valve is only suitable for heating water without additives. Automatic exhaust: The radiator exhaust valve can automatically vent through the source disc and can also be quickly vented manually. It adopts a built-in self-sealing thread and automatic rebound design, which allows air to escape only when dry and stops upon contact with water. It is suitable for water distribution systems such as radiators, boilers, underfloor heating distributors, etc.