1/2" 3/4"BSP Male Brass Automatic Air Pressure Vent Valve Safety Release Valve Pressure Relief Valve For Solar Water Heater ,Excellent Performance

Structure: Ball Pressure: Low Pressure Material: the brass construction ensures superior durability to withstand high pressure and different weather conditions without breaking, rusting, or failing top-mounted rotation to consider the use of convenience.No matter how the safety valve placed, can easily switch operation. Relief valves are used in a variety of applications, such as air compressors, petrochemical and chemical manufacturing, natural gas processing, and power generation.