| Pyrex Heavy Wall Gage Glass | |||||||||
| General Application: Crude oil, water or gas flowmeter. | |||||||||
| Ends Finish: Saw Cut | |||||||||
| WARNING | |||||||||
| (1) Improper installation or maintenace of tublar glass can cause innediate or delayed glass breakage resulting in bodily injury. To avoid | |||||||||
| breakage observe the Do's and Do Not's and Use and Care Instructions which are listed in the index, as well as tubular gage | |||||||||
| manufacturer's instructions. | |||||||||
| (2) If a gage glass breaks, contained substances can be released and glass can be blown out of the unit with great force. Always wear | |||||||||
| safety glasses when looking toward a gage or working on a gage glass assembly. Guard against the possibility of fire and explosion. | |||||||||
| (3) Protect glass from impact, scratches, other surface damage and sudden temperature changes. These can weaken or stress the glass | |||||||||
| and lead to breakage. | |||||||||
| (4) A good safety practice is to incorporate a protective guard or shield in the gage glass assembly, i.e., a shield between the user | |||||||||
| and the gage. Refer to the gage manufacturer's catalog. | |||||||||
| (5)Review in detail the Corrosives information which is listed in the index. | |||||||||
| (6) Review the disclaimer information which is listed in the index. | |||||||||
| (7) Clerical errors may exist in this chart. Please confirm information before relying on the data. | |||||||||
| Maximum Recommended | |||||||||
| Working Pressure, psi | |||||||||
| Std. | Temperatures | Steam Boiler | |||||||
| Diameter | Diameter | Wall | Wall | Length | Pcs. Per | Up To 150 degrees F | Service | ||
| Diameter | Tolerances (+) | Tolerances (-) | Wall | Tolerances (+) | Tolerances (-) | (Inches) * | Case | No Corrosion ** | Up To 425 degrees F | 
| 5/8" O.D. | 1/64" | -3/64" | 3/16" | + 3/64" | -0" | 8 | 12 | 600 | 350 | 
| (.625" O.D.) | (.016") | (.047") | (.188") | (+ .047") | -0" | 10 | 12 | 600 | 345 | 
| 12 | 12 | 600 | 340 | ||||||
| 14 | 12 | 600 | 335 | ||||||
| * | Intermediate lengths are available upon request | 16 | 12 | 600 | 325 | ||||
| 18 | 12 | 600 | 320 | ||||||
| ** | See the Corrosives information cited in the index | 20 | 12 | 600 | 315 | ||||
| 24 | 12 | 580 | 300 | ||||||
| *** | Maximum length for steam boiler is 24" | 30 | 12 | 550 | Not Recommended *** | ||||
| 36 | 12 | 500 | Not Recommended *** | ||||||
| 48 | 12 | 340 | Not Recommended *** | ||||||
| 3/4" O.D. | 1/64" | -3/64" | 7/32" | + 1/16" | -0" | 8 | 12 | 600 | 350 | 
| (.750" O.D.) | (.016") | (.047") | (.219") | (+ .063") | -0" | 10 | 12 | 600 | 345 | 
| 12 | 12 | 600 | 340 | ||||||
| 14 | 12 | 600 | 335 | ||||||
| * | Intermediate lengths are available upon request | 16 | 12 | 600 | 325 | ||||
| 18 | 12 | 600 | 320 | ||||||
| ** | See the Corrosives information cited in the index | 20 | 12 | 600 | 315 | ||||
| 24 | 12 | 580 | 300 | ||||||
| *** | Maximum length for steam boiler is 24" | 30 | 12 | 550 | Not Recommended *** | ||||
| 36 | 12 | 500 | Not Recommended *** | ||||||
| 48 | 12 | 340 | Not Recommended *** | ||||||
| 7/8" O.D. | 1/64" | -3/64" | 1/4" | + 1/16" | -0" | 8 | 12 | 600 | 350 | 
| (.750" O.D.) | (.016") | (.047") | (.250") | (+ .063") | -0" | 10 | 12 | 600 | 345 | 
| 12 | 12 | 600 | 340 | ||||||
| * | Intermediate lengths are available upon request | 14 | 12 | 600 | 335 | ||||
| 16 | 12 | 600 | 325 | ||||||
| ** | See the Corrosives information cited in the index | 18 | 12 | 600 | 320 | ||||
| 20 | 12 | 600 | 315 | ||||||
| *** | Maximum length for steam boiler is 24" | 24 | 12 | 580 | 300 | ||||
| 30 | 12 | 550 | Not Recommended *** | ||||||
| Please review the Do's and Do Not's before installation cited in the index | 36 | 12 | 500 | Not Recommended *** | |||||
| 48 | 12 | 340 | Not Recommended *** | ||||||
| 1" O.D. | 1/64" | -3/64" | 5/16" | + 1/16" | -0" | 8 | 12 | 600 | 350 | 
| (.750" O.D.) | (.016") | (.047") | (.313") | (+ .063") | -0" | 10 | 12 | 600 | 345 | 
| 12 | 12 | 600 | 340 | ||||||
| * | Intermediate lengths are available upon request | 14 | 12 | 600 | 335 | ||||
| 16 | 12 | 600 | 325 | ||||||
| ** | See the Corrosives information cited in the index | 18 | 12 | 600 | 320 | ||||
| 20 | 12 | 600 | 315 | ||||||
| *** | Maximum length for steam boiler is 24" | 24 | 12 | 580 | 300 | ||||
| 30 | 12 | 550 | Not Recommended *** | ||||||
| Please review the Do's and Do Not's before installation cited in the index | 36 | 12 | 500 | Not Recommended *** | |||||
| 48 | 12 | 340 | Not Recommended *** | ||||||
| Sources: Corning Incorporated brochure "Tubular Gage Glasses" | |||||||||
| Copyright 1991. | |||||||||