ITEM NAME:1/2 Inch Stainless Steel 304 Automatic Air Vent Valve for Solar Water Heate Q8O3 1/2 Inch Stainless Steel 304 Automatic Air Vent Valve for Solar Water Heate Q8O3 Size: 15(? inch) Applicable Fluid:Cold / Hot Water Applicable Pressure:Max. 10kgf/cm2g Max. Temperature:110 °C End Connection:PT SCREW Hydraulic Test Pressure :15 kgf/cm2g Temperature of Media: High Temperature Pressure: Medium Pressure Actuator Mode: Without Manual And Instruction Power: PNEUMATIC Structure: Pressure Reducing Media: Air Max. Pressure: 10 bar colour:Silver Material:metal Package Contents: 1 * Air Vent Valve