(6Pcs) 1/2 Inch Automatic Radiator Bleed Valve, Brass Automatic Cut-Off Air Vent Air Drain Valve

Enough to use: You will receive 6 automatic radiator air vents, enough for use and replacement, saving you time and effort. Ideal for a house with many radiators, and for installing radiators. with 1/2 inch (15 mm) air vents; Manual bleeding is also possible. Long-term use: The radiator bleed valve is mainly made of brass, sturdy and reliable, firm and solid, not easy to break, deform, or rust. The seals are made of silicone, ensuring long-lasting service. Temperature and pressure range: The maximum operating temperature of our self-bleeding radiator valve is 100 degrees Celsius, and the maximum operating pressure is 10 bar. It features an automatic non-return function, so you can replace the valve core during operation, which is convenient and practical. Self-sealing design: The automatic radiator air valve is designed with a self-sealing O-ring thread. Automatic ventilation operates using the source discs. When these discs come into contact with water, they seal the spring discs. When exposed to air, they open, allowing air to escape. Please note that this valve is only suitable for heating water without additives. Automatic ventilation: The radiator bleed valve can automatically vent through the source disc. It can also be quickly manually vented using the self-sealing thread and integrated automatic design. Elastic return mechanism allows air to escape only when the source disc is dry. It stops upon contact with water. Suitable for water distribution systems such as radiators, boilers, underfloor heating distributors, etc.