6 Pcs Automatic Radiator Bleed Valve 1/2 Inch Ventilation Radiator Air Drain Valve Automatic Cut-to-Size Brass Van

Enough to use: you will receive 6 pieces of automatic radiator air vent, enough to be used and replaced, which can save you time and effort, ideal for a house with many radiators, and to install radiators with 1/2 inch (15 mm) air plugs; 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 silicone, easy to serve you for a long time. 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. Adopting an automatic non-return function, so you can replace the valve core during operation, convenient and practical. Self-sealing design: The automatic radiator air valve is designed with a self-sealing O-ring thread, and the automatic venting works using source discs. If they come into contact with water, they seal the spring discs; when they are exposed to air, they open and allow air to escape. Please note that this valve is only suitable for heating water without additives. Automatic ventilation: the radiator bleed valve can be automatically vented through the source disc, can also be quickly manually vented, using the self-sealing thread and the integrated automatic elastic return design, only allows air to escape when it is dry, stops upon contact with water, suitable for water distribution systems, such as radiators, boilers, underfloor heating distributors, etc.