1.CE,ISO9001-2008 2.Directly installed on the air gab with good straight blast and less lost of working air source. Technocal Parameter:1.Specification:UM-25,UM-40,UM-50,UM-652.Material of Body:Aluminum Alloy3.Operating Method:Film Pilot4.Pressure Range:0.05~1.5MPa5.Min.Activating Time:0.05s6.Operating Voltage Range:±10% UME series Flooding valves