Sight Glass

Safety Sight and Level Gauge Glasses Special-Tempered

Sight glasses are widely used in the chemical, oil and gas, power generation and food industries. Commonly used for visual inspection of processes under high temperatures and pressure conditions in reaction vessels, boilers, furnaces, and pipelines.

 

Our sight glass sales program includes:

 

  • Safety Sight and Level Gauge Glasses
  • Housing Assembly (Single Window and Double Window)

 

To meet customer requirements we carry a full range of Maxos safety sight glasses - level gauge and round disc readily available from our inventory stocks. 

 

In addition, we also supply custom cut level gauge and round disc sizes both in annealed or tempered conditions.

 

Assembly housings are available in carbon steel and stainless steel constructions.

image Sight Glass

View Glass Assembly

with BSP/NPT Threaded Connection
image Sight Glass

Level Gauge Glass Assembly

with Transparent and Reflex Glass Flange or Welded Connection
image Sight Glass

View Glass Assembly

for Welding to Vessels/Tank
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Sight Flow Glass Assembly

with Round Disc Glass
 
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Long Form Level Gauge and Round Disc Glass for Replacement

Maxos® Special Tempered Borosilicate Safety Sight Glass - Clear

Highly resistant to chemical stresses and temperature. With maximum resistance to pressure. Available in long form or round disc glasses maximum permissible temperature up to 300/320°C. Available from our inventory stock.

 

Annealed Borosilicate – Clear

Good for normal service where one surface is heated to a maximum temperature of 446°F (230°C), using ¼” or thicker glass. The temperature difference between ambient and process should not exceed 150°F (65°C).

 

Cobalt Blue Furnace – Blue

Used to reduce glare when observing flame, smoke, and ash intensity in power plants and marine boilers. Thickness to ¼”.

 

Vycor  - Clear

Can be used continuously at 1652°F (900°C). The temperature difference between ambient and process surfaces should not exceed 600°F (315°C). Thickness up to ½” Excellent optical properties.

 

Fused Quartz – Clear

For industrial and laboratory applications. Can be used continuously at 1742°F (950°C). Commercial Grade is standard Optical Grade is available.