The Papailias Company maintains a large inventory of annealed and tempered circular glass discs of various diameters and thicknesses cut from borosilicate and soda lime plate materials. Discs can also be supplied in quartz or Vycor® if needed. Rectangles and special shapes to a customer's specification are available. All flat glass shapes can be provided with drilled holes, edge beveling and polishing, silk screening and many other enhancements to meet your requirements.
Material
Standard Thicknesses
1/16
1/8
3/16
1/4
5/16
3/8
1/2
5/8
3/4
1
1 1/4
Soda Lime
.
Borosilicate
.
Vycor®
Quartz
.
.
.
.
.
.
Material
As Required
Glass for Armored Gauges
These glass lenses are designed for use in reflex or transparent style armored liquid level gauges. The maximum recommended working pressure indicated may exceed rating of armored liquid level gauge. Therefore, consult gauge manufacturer for actual rating.
Cylinders are cut from borosilicate heavy wall tubing. Cylinders are available in lengths to 48". Cylinders can be supplied with graduation marks to indicate volume, height, etc. Consult factory for pressure rating.
DIAMETER
WALL THICKNESS
DIAMETER
WALL THICKNESS
1 1/2
5/32
3 1/2
3/16
1 3/4
5/32
4
1/4
2
3/16
4 1/2
1/4
2 1/4
3/16
5
1/4
2 1/2
3/16
5 1/2
1/4
2 3/4
3/16
6
1/4
3
3/16
6 1/2
1/4
3 1/4
3/16
7
3/8
Cold Working Pressures
Recommended for flat circular annealed borosilicate discs at ambient temperature with ground and chamfered edges.