Model: 82712.
Overview
The DIN7081 Standard Reflex Gauge Glass Plate for Liquid Level Gauge is supplied as a sight / viewing glass made from Borosilicate Glass. Listed geometry: plate shape. Optical / electrical data: sheet resistance ≤16 MPa. Temperature High Temperature Resistance. Listed for Liquid level observation of steam boilers applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate Glass |
|---|---|
| Shape | Plate |
| Application | Liquid level observation of steam boilers, |
| Model NO. | 82712 |
| Head Code | Plate |
| Connection | Sealing |
| Materials | Borosilicate Glass |
| Temperature | High Temperature Resistance |
| Max Pressure Resistance | ≤16 MPa |
| Max Temperature Resistance | ≤450℃ |
| Width 44mm | 186*50*22mm |
| Width 34mm | 218*40*33mm |
| Width 50mm | 280*34*22mm |
| Supplier | Jinan Everest Glass Company Limited. |
Technical data
| 17mm Thickness Series (Width: 34mm) | 22mm Thickness Series | 33mm / 34mm Thick High-Pressure Series | |
| 140*34*17mm | Width 44mm: | 186*50*22mm | 140*40*33mm |
| 165*34*17mm | 160*44*22mm | 190*50*22mm | 165*40*33mm |
| 190*34*17mm | 165*44*22mm | 216*50*22mm | 190*40*33mm |
| 218*34*17mm | 186*44*22mm | Width 34mm: | 218*40*33mm |
| 250*34*17mm | 190*44*22mm | 190*34*22mm | 218*43*34mm |
| 280*34*17mm | 218*44*22mm | 218*34*22mm | |
| 320*34*17mm | Width 50mm: | 280*34*22mm | |
| 340*34*17mm | 120*50*22mm | 320*34*22mm | |
| 370*34*17mm | 160*50*22mm | ||
| 400*34*17mm | 165*50*22mm |
What to specify when you request a quote
- Glass type and thickness — listed as “Borosilicate Glass”; name the glass and thickness.
- Temperature and pressure — listed as “High Temperature Resistance”; give working temperature, thermal shock and any pressure rating.
- Strengthening and safety — state tempering, lamination or the safety standard.
- Outline and edges — listed as “Plate”; send a drawing with outline, holes and edge finish.
Engineering guides for this part
For material grades and coating options, see Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in How Borosilicate Glass Is Sandblasted for Matte Surface Processing. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is AR Anti-Reflection Optical Window.


