Glass Consultant for Circular Sight Glass Plates according to and based on DIN 8902

Soda-lime glass according to DIN 8902 or based on DIN 8902 can be used up to a temperature of 150 °C. In general, soda-lime glass according to DIN 8902 is suitable for pressure applications, the pressure resistance increases depending on the material thickness in relation to the outer diameter and free viewing diameter.

Technical changes and calculation errors excepted.

Technical Properties


Water resistance according to DIN 12111 (ISO 719) Hydrolysis class 4
Acid resistance according to DIN 12116 Acid class 1
Alkali resistance according to DIN 52322 Alkali class 2

Bending tensile strength ≥ 160 N/mm² / 23,000 psi
max. operating temperature 150 °C / 302 °F

Dimensional tolerances according to DIN 8902


Diameter:
up to 125 mm ± 0.5 mm
150 to 200 mm ± 0.8 mm
from 200 mm ± 1.0 mm


Thickness:
up to 20 mm +0.5 mm / - 0.25 mm
from 20 mm + 0.8 mm / - 0.4 mm

Enter either the pressure or the material thickness – the missing value will be calculated for you automatically!

Glass consultant round DIN 8902

All information is provided without guarantee. Errors and omissions excepted.

Portrait von Dirk Göttgens
Portrait von Dirk Göttgens

Would you like personal advice?

Benefit from our expert knowledge in process monitoring. Our experienced team will provide you with sound advice when selecting the ideal sight glass fittings for your specific requirements. Schedule your personal consultation now!
Dirk Göttgens
Executive management
Go to contact form

Other useful tools

Discover our practical calculation tools for your daily work. From the glass consultant to practical conversion calculators - our free online tools assist you in the precise planning and safe design of your process plants.

Search... Your entries are invalid! Please contact us! Possible working pressure: Required thickness: Maximum temperature: This is a standard sight glass that we would be happy to manufacture for you. This is a sight glass according to DIN This is a sight glass according to DIN , which we would be happy to manufacture for you.