- Lumistar Special Glass Technology Co., Ltd.
-
Nanjing, Jiangsu, China
- Main products: sight glass, industrial glass, vacuum window, spotlight
Home > Products > Cicle Sight Glass > DIN7080 Borosilicate Sight Glass Disc (Borofloat 33) — Tempered Borosilicate Circular Sight Glass, OEM Supplier
DIN7080 Borosilicate Sight Glass Disc (Borofloat 33) — Tempered Borosilicate Circular Sight Glass, OEM Supplier
- Nanjing
- T/T
- 7 days
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Product Details
| Certification | CE, Other, ISO9001 | Shape | Other, circle | |
| Warranty | 1 year | Material | Other, borosilicate glass | |
| After-sales Service | 1 year | Head Code | Other, circle | |
| Temperature | -100℃-280℃ | Pressure | 10,16,25,40Bar | |
| Transport Package | by carton | Specification | Customizable | |
| Trademark | LUMIGLAS | Origin | NANJING |
Product Description
DIN7080 Borosilicate Sight Glass
Our DIN7080 Borosilicate Sight Glass (Borofloat 33) discs provide reliable visual inspection for high-pressure and high-temperature applications. Manufactured from high borosilicate glass and tempered to improve mechanical strength, these circular sight glass discs are compatible with MAXOS? and other DIN7080 mounting systems.
Key Features
Standard: DIN7080 certified dimensions and tolerances.
Material: Borosilicate glass (Borofloat 33 / high borosilicate).
Types: Tempered borosilicate glass; available as borosilicate round sight glass / circular sight glass/disc sight glass.
Compatibility: Designed to replace Lumiglas / Klinger / MAXOS DIN7080 style sight windows.
Sizes: ?[fill range] mm; Thickness: [fill options] mm; Custom sizes on request.
Applications: Boilers, pressure vessels, level gauges, petrochemical visual windows, food & pharma sight ports.
Quality: Each disc is inspected and tested; certificates and test reports are available on request.
Application
Petrochemical Sight Glass / Boiler Sight Glass / Pressure Vessel Sight Glass / Paper Making / Pharmaceutical / Food / Biopharmaceutical / Water Treatment (requiring pressure resistance, heat resistance, and visible liquid level detection).
Data Sheet
| Temperature resistance | -100℃/+280℃ |
| Pressure-Resistant Performance | 10,16,25,40Bar |
| Thermal Shock | ≥230℃ |
| Burst Strength | ≥100N/mm 2 |
| Water Resistance | DIN ISO 719 HBG 1 |
| Acid Resistance | DIN ISO695:A2 |
| Bending Strength | Untempered about 40N/mm 2,Tempered >100N/mm 2 |
| Surface Quality | No bubbles, stripes, stones, impurities |
| Execution Standards | DIN7080-2005(Provide EN10204-3.1 certificate) |
| Coefficient of Expansion | ≤5.0*10-6k?1 |
| d1 x s (mm) | Inspection aperture d2 (mm) | Permissible pressure in bar | Dimensions d1 x s (inch) | Inspection aperture d2 (inch) | Permissible pressure in psi |
|---|---|---|---|---|---|
| 45x10 | 32 | 40 | 1.772 x 0.394 | 1.26 | 580 |
| 45x12 | 32 | 50 | 1.772 x 0.472 | 1.26 | 725 |
| 50 x10 | 35 | 25 | 1.969 x 0.394 | 1.378 | 363 |
| 50 x12 | 35 | 40 | 1.969 x 0.472 | 1.378 | 580 |
| 60 x10 | 45 | 16 | 2.362x 0.394 | 1.772 | 232 |
| 60 x12 | 45 | 25 | 2.362 x 0.472 | 1.772 | 363 |
| 60x15 | 45 | 40 | 2.362 x 0.591 | 1.772 | 580 |
| 63 x10 | 48 | 16 | 2.362x 0.394 | 1.89 | 232 |
| 63 x 12 | 48 | 25 | 2.480x0.472 | 1.89 | 363 |
| 63 x15 | 48 | 40 | 2.480x0.591 | 1.89 | 580 |
| 80 x12 | 65 | 16 | 3.150 x 0.472 | 2.559 | 232 |
| 80 x15 | 65 | 25 | 3.150 x 0.591 | 2.559 | 363 |
| 80x20 | 65 | 40 | 3.150 x 0.787 | 2.559 | 580 |
| 100 x15 | 80 | 16 | 3.937 x 0.591 | 3.15 | 232 |
| 100x20 | 80 | 25 | 3.937 x 0.787 | 3.15 | 363 |
| 100x25 | 80 | 40 | 3.937 x 0.984 | 3.15 | 580 |
| 125x15 | 100 | 10 | 4.921 x 0.591 | 3.937 | 145 |
| 125x20 | 100 | 16 | 4.921x0.787 | 3.937 | 232 |
| 125x25 | 100 | 25 | 4.921x 0.984 | 3.937 | 363 |
| 135x25 | 110 | 25 | 5.315 x 0.984 | 4.331 | 363 |
| 150x20 | 125 | 10 | 5.906x0.787 | 4921 | 145 |
| 150x25 | 125 | 16 | 5.906x0.984 | 4.921 | 232 |
| 150x30 | 125 | 25 | 5.906 x 1.181 | 4.921 | 363 |
| 175x20 | 150 | 10 | 6.890 x 0.787 | 5.906 | 145 |
| 175x25 | 150 | 16 | 6.890 x0.984 | 5.906 | 232 |
| 175x30 | 150 | 25 | 6.890 x1181 | 5.906 | 363 |
| 200x20 | 175 | 8 | 7874x0.787 | 6.89 | 116 |
| 200x25 | 175 | 10 | 7.874x0.984 | 6.89 | 145 |
| 250x30 | 225 | 10 | 9.843 x1181 | 8.858 | 145 |
| Other sizes can be customized according to drawings | |||||
Packing & Delivery
Packing: Each piece of glass is individually packed and in cartons
MOQ: 10 pieces.
Delivery time: 7 days.
Sample policy: Samples available.
Why Choose Us
Lumistar Special Glass Technology Co., Ltd. is a national high-tech enterprise mainly engaged in the research and development, design, manufacturing, and processing of various types of ultra-high pressure glass windows and safety protection equipment, including high temperature and high pressure glass, ultra-high pressure glass tubes, ultra-high pressure glass mirrors, ultra-low temperature glass, oil well ultra-high pressure glass blasting discs, sapphire glass, microcrystalline ceramic glass, pipeline mirrors, pressure vessel mirrors, high vacuum observation windows, ultra-high pressure alkali resistant mica glass mirrors, high pressure level gauge aluminum silicon glass, explosion-proof spotlights, bulletproof and explosion-proof glass, sintered mirrors, bulletproof security posts, and bulletproof transparent materials.
Safety-first materials & testing — for reliable visual windows.
Engineering-ready — CAD, datasheets, and clear dimensions provided.
Reduce downtime — correct specs and fast technical support.
Honest pricing & practical MOQ — minimize your procurement risk.
Responsible packing & on-time delivery — parts arrive ready to install.
Contact Us
- Lumistar Special Glass Technology Co., Ltd.
- Contact nameChen Yudong Chat Now
- AddressBuilding 22, No. 8 Kangzheng Road, Longchi Street，Luhe District,Nanjing, Jiangsu Province, Nanjing, Jiangsu
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