DIN 7080 sight glass

DIN 7080 Sight Glass: Complete Guide to Borosilicate Glass Discs for Pressure Vessels

DIN 7080 sight glass is one of the most widely used industrial glass windows for pressure vessels, reactors, tanks and process equipment.
Manufactured from high quality borosilicate glass, DIN 7080 glass provides excellent thermal resistance, chemical stability and optical clarity for safe visual inspection in demanding industrial applications.

Lumistar supplies DIN 7080 borosilicate sight glass discs with customized sizes and thicknesses for global industrial customers.


Key Features of DIN 7080 Sight Glass:

  • Borosilicate glass 3.3 material
  • Excellent thermal shock resistance
  • High transparency for process observation
  • Suitable for pressure vessels and industrial equipment
  • Customized diameter and thickness available

What Is DIN 7080 Sight Glass?

DIN 7080 is a German industrial standard for circular sight glass discs mainly used in pressure vessels and industrial sight glass assemblies.

The glass disc is installed between metal retaining rings or flange assemblies, allowing operators to observe internal conditions such as liquid level, flow status, color changes and reaction processes.

Compared with ordinary glass materials, DIN 7080 borosilicate glass features low thermal expansion and excellent resistance to temperature changes, making it suitable for demanding industrial environments.

DIN 7080 Sight Glass Material Properties

The standard material for DIN 7080 sight glass is borosilicate glass 3.3.
This material is widely selected because of its excellent mechanical, thermal and chemical performance.

PropertyPerformance
MaterialBorosilicate Glass 3.3
Thermal ExpansionLow expansion coefficient with excellent thermal shock resistance
Temperature ResistanceSuitable for high temperature industrial applications
Chemical ResistanceExcellent resistance to many chemicals
Optical QualityHigh transparency and clear observation

Common DIN 7080 Sight Glass Dimensions

Lumistar manufactures DIN 7080 borosilicate sight glass discs in different diameters and thicknesses according to customer requirements.

DiameterThicknessApplication
50 mm10 mmSmall industrial equipment
150 mm19 mmStandard sight glass application
200 mm19 mmLarge viewing window
250 mm30 mmHigh pressure application

Applications of DIN 7080 Sight Glass

DIN 7080 borosilicate sight glass is widely used in industries where safe and reliable visual observation is required.
Due to its excellent thermal resistance and chemical durability, it is suitable for various industrial equipment.

  • Chemical Industry:
    Used for monitoring reaction processes inside reactors, tanks and pressure vessels.
  • Pharmaceutical Equipment:
    Provides clear observation for hygienic process systems.
  • Food Processing Industry:
    Used in stainless steel tanks and production equipment requiring visual inspection.
  • Petroleum and Petrochemical Industry:
    Applied in vessels and process systems under demanding working conditions.
  • Industrial Pressure Vessels:
    Allows operators to monitor internal liquid level and process status safely.

DIN 7080 vs DIN 7081 Sight Glass

DIN 7080 and DIN 7081 are both commonly used industrial sight glass standards, but they are designed for different applications.

ComparisonDIN 7080DIN 7081
ShapeRound glass discRectangular glass
Main ApplicationPressure vessel sight glassLevel gauge glass
Installation MethodFlange mounted assemblyLevel indicator frame
MaterialBorosilicate glass 3.3Borosilicate glass 3.3
Typical UseVisual inspection of vessels and tanksLiquid level indication

How to Select the Right DIN 7080 Sight Glass?

Selecting the correct DIN 7080 sight glass requires considering the operating conditions and equipment requirements.
Before ordering, customers should confirm the following technical information:

  • Glass Diameter:
    The outside diameter or viewing size required.
  • Glass Thickness:
    Determined according to pressure and temperature requirements.
  • Operating Pressure:
    Maximum working pressure of the equipment.
  • Working Temperature:
    Temperature range during operation.
  • Medium Characteristics:
    Chemical properties of the liquid or gas inside the vessel.
  • Installation Standard:
    Flange size, sealing method and equipment design.

Advantages of Borosilicate Glass for DIN 7080 Applications

Borosilicate glass is preferred for DIN 7080 sight glass manufacturing because it provides better performance than ordinary glass materials.

AdvantageBenefit
Thermal Shock ResistanceReduces the risk of cracking caused by sudden temperature changes.
Chemical StabilitySuitable for many industrial chemicals and process media.
High TransparencyProvides clear visual monitoring of internal conditions.
Long Service LifeMaintains reliable performance in industrial environments.

Why Choose Lumistar DIN 7080 Sight Glass?

Lumistar is a professional manufacturer specializing in industrial sight glass products, including DIN 7080 borosilicate glass discs, pressure vessel sight glasses, pipeline sight glasses and customized glass components.

With advanced processing technology and strict quality control, Lumistar provides reliable sight glass solutions for customers from chemical, pharmaceutical, food processing, energy and industrial equipment industries.


Lumistar DIN 7080 Sight Glass Advantages:

  • Professional manufacturer of industrial sight glass products
  • High quality borosilicate glass 3.3 material
  • Customized diameter, thickness and edge processing available
  • Strict inspection before shipment
  • Experience supplying global industrial customers
  • Support OEM and customized sight glass solutions

Customized DIN 7080 Sight Glass Solutions

Different industrial applications may require different glass dimensions, thicknesses and technical specifications.
Lumistar can provide customized DIN 7080 sight glass according to customer drawings or equipment requirements.

Customization ItemAvailable Options
DiameterCustomized round glass sizes according to requirements
ThicknessDifferent thickness options for pressure and temperature conditions
Edge ProcessingPolished edge, ground edge and customized processing
PackagingSafe export packaging for industrial glass products

Frequently Asked Questions About DIN 7080 Sight Glass

Q1: What material is DIN 7080 sight glass made of?

DIN 7080 sight glass is normally manufactured from borosilicate glass 3.3 because of its excellent thermal resistance, chemical stability and optical transparency.

Q2: What industries use DIN 7080 sight glass?

DIN 7080 sight glass is widely used in chemical plants, pharmaceutical equipment, food processing systems, pressure vessels, reactors and industrial tanks.

Q3: Can DIN 7080 glass be customized?

Yes. Lumistar can customize diameter, thickness, edge processing and packaging according to customer drawings or application requirements.

Q4: What information should customers provide when requesting a quotation?

Customers should provide glass size, thickness, working pressure, temperature, application environment and required quantity for accurate quotation.

Q5: What is the difference between DIN 7080 and normal glass?

DIN 7080 uses high quality borosilicate glass, which has better thermal shock resistance and chemical durability compared with ordinary glass.

Need DIN 7080 Sight Glass for Your Project?

Contact Lumistar for customized borosilicate sight glass solutions.

 

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