DN20 = 3/4 inch The minimum test range is 1 bar. When installing, you must use PTFE tape and ensure that the ribbon is sufficient, lest it leak. Color yellow Dimensions: 80mm Quantity sold: 1 piece Material: Brass Thread: G-thread Maximum Working Pressure: 10 bar Pressure regulation range: 1-6bar Factory setting: 3bar Product Parameters Name: Pressure Reducing Valve Material; brass Working pressure: 1.6 MPa Medium: water Operating temperature: -20-120 Product This pressure reducing valve is used at the front end of the ground pipeline. Its main function is to reduce the pressure fluid flowing through the pipeline and protect the pipeline and end products at the rear end. About chromatic aberration: The goods sold are all taken in kind, but due to different lighting, monitors, etc., there will be a little color difference, which is a normal phenomenon, not a quality problem! About the size: The dimensions of the products sold are all measured manually. Due to different measurement methods and tools, there may be an error of 1-2mm, which is normal!