Product Description: , Category: mechanical pneumatic valve Model: 4R210-08Working medium: air Item and mode number: 2 digits, 5 digits Hole for pipe joints: intake port = exhaust port = 1/4'', exhaust port = 1/8'' Effective area: 16mm2Working temperature range: -5 - 55 degrees centigrade Working pressure: 0 - 0.8mpa (0-116psi)Withstand voltage: 1.5mpa (215Psi)Handle diameter: 22mm/0.87" Valve Size: 66.5x35x22mm/2.6'' x 1.4'' x 0.9''(Length*Width*Height)Material: Metal, Plastic. Connector Specifications: Working Pressure: 0-150 PSI / 0-990 kPa Vacuum: 0-29.5 inch Mercury / 750mm Mercury Thread Diameter: BSPT G1/4 Plug Diameter: 6mm Operating Temperature: 0-60°C / 32 to 140F Recommended Pipe Materials: Polyurethane, Nylon, Polyethylene and Polypropylene. Muffler Specifications:Model: Sintered Bronze Muffler (PSB 1/8) Control ValveThread: 1/8(BSP)Material: BrassFilter Element: Sintered BronzeWorking Pressure: 0-116 PSInture Temperature: -10 to +70°cPackage Included:1*Manual Push-Pull Valve2*Muffler Control3*Male ConnectorNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.