Reflex gauge glass, also called reflex sight glass, reflex level gauge glass, boiler glass and reflex level gauge. The material of reflex sight glass is usually borosilicate glass and aluminosilicate glass. Our reflex gauge glass is polishing and tough. Reflex gauge glass has high mechanical strength and high resistance to alkali and acid characteristics. Another important factor of the boiler glass is transparency.

Reflex gauge glass is used to read the liquid level directly by eyes or industrial television. With the grooves, the reflex gauge glass has a few grooves which can make the level clearer and easier to be read.

Specification

Material: borosilicate glass, aluminosilicate glass.
Width: 25-35 mm.
Length: 70-400 mm.
Thickness: 15-25 mm.
Max pressure: 300 bars.
Max temperature: 400 °C.
Grooves: two, three or four grooves.
Using life: more than 20 years.
Standard: The products is strictly according to the standard of DIN7081.
Accessories: Gaskets and mica sheet can also be provided together.
Dimensions of reflex gauge glass (mm)
Size    TYPE A    TYPE B    TYPE H
L    W    H    L    W    H    L    W    H
RGG-1    95    30    17    95    34    17    -    -    -
RGG-2    115    30    17    115    34    17    115    34    22
RGG-3    140    30    17    140    34    17    140    34    22
RGG-4    165    30    17    165    34    17    165    34    22
RGG-5    190    30    17    190    34    17    190    34    22
RGG-6    220    30    17    220    34    17    220    34    22
RGG-7    250    30    17    250    34    17    250    34    22
RGG-8    280    30    17    280    34    17    280    34    22
RGG-9    320    30    17    320    34    17    320    34    22
RGG-10    340    30    17    340    34    17    340    34    22
RGG-11    -    -    -    370    34    17    -    -    -
Two piece of clear reflex gauge glass of about 280 mm and 140 mm length.
Our usually length of the reflex gauge glass is from 70 mm to 400 mm, and can be customized according to requirements.
A piece of thick reflex gauge glass with fine edge and clear surface.
The thick reflex gauge glass is suitable in aggressive environment, such as acid, alkali, high temperature and high pressure.
Pressure and temperature of reflex gauge glass
Working environment    TYPE A    TYPE B    TYPE H
Pressure    Temperature    Pressure    Temperature    Pressure    Temperature
Solid environment    400 bar    120 °C    265 bar    120 °C    300 bar    120 °C
150 bar    400 °C    180 bar    400 °C    200 bar    400 °C
0-10 bar    430 °C    0-10 bar    430 °C    0-10 bar    430 °C
Hard environment, such as alkali or acid.    35 bar    243 °C    35 bar    243 °C    42 bar    253 °C
Features and advantages

Acid and alkali resistance. 
Borosilicate glass and aluminosilicate glass can resist acid and alkali, so that the gauge glass can work in aggressive environment. Reflex gauge glass is widely used in industry, where stable chemical property is an essential factor.
Customize form and dimension.
We have standard dimension in stock and we also accept customizing, which can meet most of your requirements.
Reflex gauge glass is suitable for reading directly or by industry television.
Reflex gauge glass is imprinted with a few longitudinal grooves, which increases the angle of refraction and can make it easier to read the liquid level. This makes it easier to read directly as well as by industry TV.
No strip, bubble, scrap or crack.
Two pieces of reflex gauge glass and a piece of transparent gauge glass are together.
The contrast of reflex gauge glass and without groove gauge glass is shown and the grooves make the liquid level clearer.
Application 
The reflex gauge glass is used in various equipment, especially the liquid level needed to be read by industry television.

Industry boiler.
Some instruments.
A piece of clear reflex gauge glass is installed in a part of the boiler.
Reflex gauge glass is widely used in industry boiler to control the level of the water.There is a set of industry boiler with a reflex gauge glass to see the water level.
Industry boiler is widely used in industry and reflex gauge is necessary to observe the liquid level.
Package and transportation

In order to avoid breaking, reflex gauge glass is packaged in 5 layer corrugated cartons or pallet, with foam or bubble wrap.
We can also pack the reflex gauge glass according to customers' requirements.