We offer Ji Bourdon Type Pressure Gauges.Dial size : 40, 50, 63, 100, 150, 200, 250mmCase : Pressed steel or stainless SteelMounting : Surface, Direct, Back or PanelRange : 760mm Hg to 0 vaccum, 0 to 700KgcmComp-760mm Hg to 28 Kgcm2 or Bar &Psi Scales.Working parts : Non ferrousConnections : 18", 14", 38" , 12" BSP, NPT, OR Metric ThreadsACCURACY : +- 2% FSDNote : Glycerine filled on request. Ammonia &Oxygen Gauges also avaliable.