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

Enough for everyday use: You will receive 6 automatic radiator bleed valves, enough for repeated use and replacement, saving you time and effort. 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 silicone seal ensures 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 check valve, and the valve core can be replaced during operation, making it convenient and practical. Self-sealing design: The car radiator air valve features a self-sealing O-ring thread design. Automatic venting is actuated by spring-loaded discs that seal upon contact with water and open upon contact with air, allowing air to escape. Please note that this valve is only suitable for heating water without additives. Automatic venting: The radiator exhaust valve can automatically vent through the source disc and can also be quickly manually vented. It features a built-in self-sealing thread and automatic rebound design, allowing air to escape only when dry and stopping upon contact with water. It is suitable for water distribution systems such as radiators, boilers, underfloor heating distributors, etc.