Specification :

Gauge glass

Its made from Borosilicate, it is used in lever gauge in boiler for water position. It' s also named water Gauge Glass, level gauge glass, boiler sight glass, liquid indicator glass, borosilicate sight glass, spars for level gauge.

The category is as follows:
1)   Reflex glass
2) Plain transparent glass
3) Round sight glass

1) Reflex Sight glass/ gauge glass - three tendons ( four grooves)  
340 x 34( 30) x 17mm, 320 x 34( 30) x 17mm, 280 x 34( 30) x 17mm 
250 x 34( 30) x 17mm, 218 x 34( 30) x 17mm, 190 x 34( 30) x 17mm 
165 x 34( 30) x 17mm, 140 x 34( 30) x 17mm, 115 x 34( 30) x 17mm 
400 x 34 x 17mm, 370 x 34 x 17mm, 300 x 34 x 17mm 
400 x 34 x 17mm, 370 x 34 x 17mm, 300 x 34 x 17mm 
The other size is optional or according to the requirements of customers. 
Working temperature: 260 C, Working pressure: 4.0MPa
 
2) Plain transparent sight glass/ gauge glass
  340 x 34 x 17mm, 320 x 34 x 17mm, 280 x 34 x 17mm 
250 x 34 x 17mm, 218 x 34 x 17mm, 216 x 34 x 17mm 
190 x 34 x 17mm, 165 x 34 x 17mm, 215 x 34 x 22mm 
218 x 38 x 23mm, 190 x 38 x 23mm, 165 x 38 x 23mm 
The other size is optional or according to the requirements of customers.
Working temperature: 260 C, Working pressure: 6.3 MPa
 
3) Round sight glass
Thickness: 10mm-25mm
Diameter: 50mm - 250mm
Pressure: 6 - 25 bar
Temperature: 250
 
Packing: Each piece in a box, then in cartons.