Borosilicate tubular redlined heavy wall gage glass has the highest pressure rating of any tubular gage glass manufactured and is available in clear or redline. Heavy wall gage glass is commonly used in liquid level gage and sight flow indicator applications that exceed the temperature and pressure of high tubular gage glass.
Gage Flat Glass | Gage Sight Glass
Clear Heavy Wall Tubular | Clear High Pressure Tubular | Redlined Heavy Wall Tubular | Redlined High Pressure Tubular
| Gage Glass Redlined: Heavy Wall | |||
| Size OD/Wall Inches | Length Inches | Temperature up to 150° F No Corrosion | Steam Boiler Service Up to 425° F |
| 5/8" OD + 1/64", -3/64" | 12 | 600 | 340 |
| 16 | 600 | 325 | |
| 20 | 600 | 315 | |
| 3/16" Wall + 3/64", -0 | 24 | 580 | 300 |
| 30 | 550 | NOT RECOMMENDED | |
| 36 | 500 | NOT RECOMMENDED | |
| 48 | 340 | NOT RECOMMENDED | |
| Gage Glass Redlined: Heavy Wall | |||
| 3/4" OD + 1/64", -3/64" | 12 | 600 | 340 |
| 7/32" Wall + 1/16", -0 | 16 | 600 | 325 |
| 20 | 600 | 315 | |
| 24 | 580 | 300 | |
| 30 | 550 | NOT RECOMMENDED | |
| 36 | 500 | NOT RECOMMENDED | |
| 48 | 340 | NOT RECOMMENDED | |
Key Notes: