Glass Products
Flate Plate Glass Read more...

Glass Products
Flat Plate Glass

The Papailias Company maintains a large inventory of annealed and tempered circularglass 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.

Type
.
.

MAXIMUM RECOMMENDED WORKING PRESSURE
STEAM BOILER NO MICA
STEAM BOILER MICA PROTECTED
NONSTEAM SERVICE -150F (101C) TO 150F (65C)
Length
Size Inches PSIG PSIG PSIG
Plain
Width 1 5/16"
(33mm) Thickness 11/16"
(17mm)
Flatness 0.005"
(0.1mm)
1 4 1/2 400 1000 2500
2 5 1/2 400 1000 2500
3 6 1/2 400 1000 2500
4 7 1/2 400 1000 2500
5 8 5/8 400 1000 2500
6 9 7/8 400 1000 2500
7 11 400 1000 2500
8 12 5/8 400 1000 2500
9 13 3/8 400 1000 2500
High Pressure
Width 1 5/16"
(33mm) Thickness 11/16"
(17mm)
Flatness 0.002"
(0.05mm)
1 4 1/2 400 1500 5000
2 5 1/2 400 1500 5000
3 6 1/2 400 1500 5000
4 7 1/2 400 1500 5000
5 8 5/8 400 1500 5000
6 9 7/8 400 1500 5000
7 11 400 1500 5000
8 12 5/8 400 1500 5000
9 13 3/8 400 1500 5000
Reflex
Width 1 5/16"
(33mm) Thickness 11/16"
(17mm)
Flatness 0.005"
(0.1mm)
1 4 1/2 400
Mica
not used
with
Reflex
Glass
2500
2 5 1/2 400 2500
3 6 1/2 400 2500
4 7 1/2 400 2500
5 8 5/8 400 2500
6 9 7/8 400 2500
7 11 400 2500
8 12 5/8 400 2500
9 13 3/8 400 2500


Glass Cylinders

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.


245 Pegasus Ave.
Northvale, NJ 07647
201-767-4027
sales@papailias.com