AK28W-16T copper valve AK28W-16T copper valve using media: air water vapor Installation Notes 1. This valve allows only the horizontal direction perpendicular to the installation, the following media should be top-down valve. Pressure should be approved to be used before installation is within the specified pressure range of signs, according to the specification requirements set pressure adjustment. 3. The adjusted and installed safety valve must not be allowed to sneak undermine sealing performance of hazardous debris. Quality and stability: the whole process of quality control, nuanced, comprehensive detection! Reasonable price: high internal cost control, reducing costs, to help customers! Fast delivery: advanced production lines, adequate stocking, shortening delivery time! Professional support for the air compressor or tank valve, if you need, you can contact me, looking happy!