... boiler for water position. It is also named water Gauge Glass, level gauge glass, boiler sight glass, liquid indicator glass, borosilicate ... : 260 degree C, Working pressure: 6.3 MPa 3) Round gauge glass Thickness: 10mm-25mm Diameter: 50mm - 250mm Pressure: 6 - 25 bar ... Temperature: 250 degree C Packing: Each piece in a box, then in ...