Application: Observing Liquid Levels in Boiler. Model: JSV-SG.
Overview
Thermal Tempered Round Circular Glass Disc Lens: an optical lens made from Glass. Listed geometry: size 115*34*17mm, flat strip shape. It is used in Observing Liquid Levels in Boiler. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Reflex |
| Shape | Flat Strip |
| Size | 115*34*17mm |
| Application | Observing Liquid Levels in Boiler |
| Model NO. | JSV-SG |
| Head Code | Round |
| Connection | Gasket |
| Color | Clear |
| Feature | Heat Resistant, High Pressure Resistant |
| Processing | Grinding, Tempering |
| Toughen | Tempered |
| Supplier | Jinan JSV Industrial Co., Ltd. |
Technical data
| Product Name | Gauge Glass | |
| Material | Borosilicate glass, quartz glass | |
| Shape | Tubular, flat, round, strip | |
| Packing | Carton, pallet, wooden crate | |
| Dimension | Type: ReflexSize:115*34*17mm140*34*17mm165*34*17mm190*34*17mm218*34*17mm250*34*17mm280*34*17mm300*34*17mm320*34*17mm340*34*17mm370*34*17mm400*34*17mm | Type: ReflexSize:115*30*17mm140*30*17mm165*30*17mm190*30*17mm218*30*17mm250*30*17mm280*30*17mm300*30*17mm320*34*17mm340*30*17mm370*30*17mm400*30*17mm |
| Type: TransparentSize:115*34*17mm140*34*17mm165*34*17mm190*34*17mm218*34*17mm250*34*17mm280*34*17mm300*34*17mm320*34*17mm340*34*17mm370*34*17mm400*34*17mm | Type: TransparentSize:115*30*17mm140*30*17mm165*30*17mm190*30*17mm218*30*17mm250*30*17mm280*30*17mm300*30*17mm320*34*17mm340*30*17mm370*30*17mm400*30*17mm |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass or crystal.
- Geometry — listed as “115*34*17mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Why Quartz Glass Components Excel in Coffee Heating Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).


