... cooling tower circle water system Max. Work Pressure: 25Bar Rated Pressure: PN25 Valve Body: Cast Iron QT500-7Technical DataMaterial: ... Connector Link: PP Valve Cone: Copper Alloy Valve Shaft: Copper Alloy Pressure Measuring Port: Brass with EPDM ... standard Marker: ELEX, PN,, DN, Direction Arrowhead, Material and Cast Date(Day,Month,Year, ) Valve Marker: ELEX, Grade 150, ...