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Certified DIN 7080 Sight Glass Disc | High-Pressure Borosilicate Glass up to 200 Bar - Image 2

Certified DIN 7080 Sight Glass Disc | High-Pressure Borosilicate Glass up to 200 Bar

DIN 7080 sight glass discs are manufactured from thermally toughened borosilicate glass 3.3 for demanding industrial observation applications. Featuring excellent thermal shock resistance, chemical durability, and pressure performance, they are widely used in pressure vessels, reactors, boilers, pipelines, and process equipment. Standard DIN dimensions and custom-engineered solutions are available with EN 10204 3.1 certification.

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Technical data

Datasheet

DIN 7080 Borosilicate Sight Glass Disc Overview

DIN 7080 sight glass discs are specially designed for industrial process observation applications requiring reliable visibility and stable performance under pressure and temperature fluctuations.

Compared with ordinary industrial glass, borosilicate glass 3.3 offers excellent thermal shock resistance, chemical durability, and mechanical strength, making it suitable for demanding operating environments.

Our sight glass products are manufactured with precision grinding and polishing processes to ensure dimensional accuracy, smooth sealing surfaces, and long-term reliability.

Custom dimensions, thicknesses, and pressure designs are available according to project requirements.

DIN 7080 Borosilicate Sight Glass Disc— Technical Data

Parameter	Value / Standard
Execution Standard	DIN 7080-2005 · EN 10204-3.1 certificate supplied as standard
Operating Temperature	-100 °C to +280 °C
Thermal Shock Resistance	≥ 230 °C
Pressure Ratings (Standard)	10 · 16 · 25 · 40 bar
Pressure Ratings (Special)	Up to 200 bar — available in high-pressure special dimensions
Bending Strength	Tempered: >160 N/mm² · Nominal: >35-50 N/mm²
Coefficient of Thermal Expansion	≤ 5.0 × 10⁻⁶ K⁻¹
Hydrolytic Resistance	DIN ISO 719: HBG 1
Acid Resistance	DIN ISO 695: A2
Surface Quality	No bubbles, stripes, and inclusions

Cross-section drawing

Dimensions — DIN 7080 Borosilicate Sight Glass Disc

Standard dimensions according to DIN 7080					Special dimensions in reference to DIN 7080
Dimension	Name	Permissible pressure in bar	MAXOS® product code	LUMIGLAS® product code	Dimension	Name	Permissible pressure in bar	MAXOS® product code	LUMIGLAS® product code
Ø 45 x 10 mm	din7080-40	40	2071554	LMX2071554	Ø 24 x 10 mm	din7080-150	150	2071640	LMX2071640
Ø 45 x 12 mm	din7080-50	50	2071556	LMX2071556	Ø 30 x 12 mm	din7080-150	150	2071622	LMX2071622
Ø 50 x 10 mm	din7080-25	25	2071558	LMX2071558	Ø 30 x 15 mm	din7080-200	200	2071533	LMX2071533
Ø 50 x 12 mm	din7080-40	40	2071561	LMX2071561	Ø 31.6 x 12.75 mm	din7080-150	150	2071598	LMX2071598
Ø 60 x 10 mm	din7080-16	16	2071560	LMX2071560	Ø 33 x 14 mm	din7080-150	150	2071557	LMX2071557
Ø 60 x 12 mm	din7080-25	25	2071562	LMX2071562	Ø 34 x 17 mm	din7080-200	200	2071552	LMX2071552
Ø 60 x 15 mm	din7080-40	40	2071563	LMX2071563	Ø 40 x 10 mm	din7080-40	40	2071624	LMX2071624
Ø 63 x 10 mm	din7080-16	16	2071566	LMX2071566	Ø 40 x 12 mm	din7080-50	50	2071555	LMX2071555
Ø 63 x 12 mm	din7080-25	25	2071567	LMX2071567	Ø 44 x 10 mm	din7080-40	40	2071603	LMX2071603
Ø 63 x 15 mm	din7080-40	40	2071569	LMX2071569	Ø 44 x 12 mm	din7080-50	50	2071564	LMX2071564
Ø 80 x 12 mm	din7080-16	16	2071573	LMX2071573	Ø 55 x 6.5 mm	din7080-6	6	2071626	LMX2071626
Ø 80 x 15 mm	din7080-25	25	2071575	LMX2071575	Ø 55 x 10 mm	din7080-25	25	2071559	LMX2071559
Ø 80 x 20 mm	din7080-40	40	2071576	LMX2071576	Ø 60 x 20 mm	din7080-95	95	2071604	LMX2071604
Ø 100 x 15 mm	din7080-16	16	2071578	LMX2071578	Ø 63 x 8 mm	din7080-8	8	2071565	LMX2071565
Ø 100 x 20 mm	din7080-25	25	2071579	LMX2071579	Ø 65 x 10 mm	din7080-12	12	2071629	LMX2071629
Ø 100 x 25 mm	din7080-40	40	2071580	LMX2071580	Ø 65 x 10 mm	din7080-40	40	2071606	LMX2071606
Ø 125 x 15 mm	din7080-10	10	2071581	LMX2071581	Ø 70 x 12 mm	din7080-16	16	2071568	LMX2071568
Ø 125 x 20 mm	din7080-16	16	2071582	LMX2071582	Ø 70 x 15 mm	din7080-25	25	2071570	LMX2071570
Ø 125 x 25 mm	din7080-25	25	2071583	LMX2071583	Ø 75 x 12 mm	din7080-16	16	2071607	LMX2071607
Ø 135 x 25 mm	din7080-25	25	2071644	LMX2071644	Ø 80 x 10 mm	din7080-10	10	2071571	LMX2071571
Ø 150 x 20 mm	din7080-16	16	2071586	LMX2071586	Ø 86 x 12 mm	din7080-10	10	2071610	LMX2071610
Ø 150 x 25 mm	din7080-16	16	2071587	LMX2071587	Ø 90 x 10 mm	din7080-8	8	2071572	LMX2071572
Ø 150 x 30 mm	din7080-25	25	2071588	LMX2071588	Ø 92 x 10 mm	din7080-8	8	2071625	LMX2071625
Ø 175 x 20 mm	din7080-10	10	2071589	LMX2071589	Ø 94 x 12 mm	din7080-8	8	2071671	LMX2071671
Ø 175 x 25 mm	din7080-16	16	2071590	LMX2071590	Ø 95 x 10 mm	din7080-6	6	2071694	LMX2071694
Ø 175 x 30 mm	din7080-25	25	2071591	LMX2071591	Ø 95 x 15 mm	din7080-16	16	2071574	LMX2071574
Ø 200 x 20 mm	din7080-8	8	2071592	LMX2071592	Ø 100 x 10 mm	din7080-7	7	2071642	LMX2071642
Ø 200 x 25 mm	din7080-10	10	2071593	LMX2071593	Ø 100 x 12 mm	din7080-10	10	2071644	LMX2071644
Ø 200 x 30 mm	din7080-16	16	2071594	LMX2071594	Ø 105 x 10 mm	din7080-10	10	2071662	LMX2071662
Ø 250 x 25 mm	din7080-8	8	2071595	LMX2071595	Ø 110 x 12.5 mm	din7080-16	16	2071674	LMX2071674
Ø 250 x 30 mm	din7080-10	10	2071596	LMX2071596	Ø 110 x 15 mm	din7080-25	25	2071613	LMX2071613
Ø 265 x 30 mm	din7080-8	8	2071628	LMX2071628	Ø 113 x 10 mm	din7080-10	10	2071672	LMX2071672
					Ø 115 x 10 mm	din7080-10	10	2071612	LMX2071612
					Ø 120 x 10 mm	din7080-4	4	2071611	LMX2071611
					Ø 120 x 10 mm	din7080-15	10	2071630	LMX2071630
					Ø 120 x 18 mm	din7080-16	16	2071663	LMX2071663
					Ø 125 x 30 mm	din7080-40	40	2071584	LMX2071584
					Ø 130 x 15 mm	din7080-10	10	2071643	LMX2071643
					Ø 135 x 15 mm	din7080-8	8	2071615	LMX2071615
					Ø 140 x 15 mm	din7080-8	8	2071666	LMX2071666
					Ø 150 x 10 mm	din7080-2	2	2071664	LMX2071664
					Ø 150 x 15 mm	din7080-8	8	2071585	LMX2071585
					Ø 160 x 20 mm	din7080-12	12	2071617	LMX2071617
					Ø 170 x 15 mm	din7080-5	5	2071645	LMX2071645
					Ø 170 x 20 mm	din7080-10	10	2071670	LMX2071670
					Ø 210 x 25 mm	din7080-10	10	2071621	LMX2071621
					Ø 250 x 20 mm	din7080-4	4	2071673	LMX2071673

KEY FEATURES

Thermal Stability

High resistance to thermal shock for extreme temperature environments

High Mechanical Strength

Suitable for pressure-loaded industrial systems

Chemical Resistance

Stable performance in corrosive chemical environments

Excellent Transparency

Clear visibility for process monitoring

Precision Manufacturing

Accurate dimensions and polished sealing surfaces

Custom Design Support

OEM / ODM customization available

Custom Manufacturing Service

We provide tailor-made solutions according to drawings or technical requirements.

Custom diameter
Custom thickness
Special pressure design
Edge polishing
Optical finishing
OEM / ODM support
Custom packaging

TYPICAL APPLICATIONS

Pressure Vessels
Chemical Reactors
Boilers & Steam Systems
Pipeline Sight Glass Assemblies
Pharmaceutical Equipment
Food & Beverage Processing
Industrial Observation Ports

FAQ

What material is used for DIN 7080 sight glass?

A: The standard material is thermally toughened Borosilicate Glass 3.3, known for its excellent thermal and chemical resistance.

Q: Can you produce custom sizes?

A: Yes, based on drawings or specifications.

Q: What temperature can DIN 7080 glass withstand?

A: DIN 7080 borosilicate sight glass is suitable for temperatures up to approximately 280°C under standard operating conditions.

Q: Can DIN 7080 sight glass be used under pressure?

A: Can DIN 7080 sight glass be used under pressure?

Q: Can you provide material certificates?

A: Yes. EN 10204 3.1 certificates, material test reports, dimensional inspection reports, and traceability documents are available upon request.

Need Custom Certified DIN 7080 Sight Glass Disc | High-Pressure Borosilicate Glass up to 200 Bar Solutuions?

Send us your drawings or technical requirements for fast quotation and engineering support.