RED LINE & HIGH PRESSURE TUBULAR GAUGE GLASSES ARE EASY TO READ

Kaufman Glass Company offers high quality Duran brand Red Line and High Pressure tubular gauge glass. Made to the highest standards from borosilicate glass for shock and thermal stress resistance, these glasses are engineered and designed for standard gauge assemblies. Striped with special paints that will not damage the surface of the glass, the bold red line makes it easy to read liquid levels, even from a distance. Our tubular gauge glasses are used widely throughout industry in tanks, reservoirs, and boiler applications. MAXIMUM RECOMMENDED WORKING PRESSURE psig   REDLINE HIGH PRESSURE Size (Inches) LENGTH* Temps Up to 150° F Steam Boiler Service Up to 425°F Temps Up to 150° F Steam Boiler Service Up to 425°F 1/2" O.D. +0, -1/32" WALL 5/64" ± 1/64" (Max. Length) 8" 10" 12" 14" 16" 18" 20" 24" 30" 36" 48" 60" 72" 390 370 360 345 335 325 310 280 250 215 175 135 100 300 295 295 290 285 280 280 270 *** *** *** *** *** 460 445 435 415 400 385 375 340 295 260 205 155 110 340 335 325 315 300 295 285 270 *** *** *** *** *** 5/8" O.D. +0, -1/32" WALL 3/32" ± 1/64" (Max. Length) 8" 10" 12" 14" 16" 18" 20" 24" 30" 36" 48" 60" 72" 370 345 335 325 315 305 290 265 235 205 165 125 90 285 280 280 275 270 265 265 255 *** *** *** *** *** 435 420 410 390 375 260 350 320 280 245 195 150 100 320 315 305 295 285 280 270 255 *** *** *** *** *** 3/4" O.D. +0, -1/32" WALL 7/64" ± 1/64" (Max. Length) 8" 10" 12" 14" 16" 18" 20" 24" 30" 36" 48" 60" 72" 360 340 330 320 310 300 285 260 230 200 160 125 90 280 275 275 270 265 260 260 250 *** *** *** *** *** 425 410 400 385 370 355 345 315 275 240 190 145 100 315 310 300 290 280 275 265 250 *** *** *** *** ***   REDLINE HIGH PRESSURE Size (Inches)  LENGTH*  Temps Up to 150° F Steam Boiler Service Up to 425°F  Temps Up to 150° F Steam Boiler Service Up to 425°F 7/8" O.D. +0, -1/32" WALL 7/64" ± 1/32" (Max. Length) 8" 10" 12" 14" 16" 18" 20" 24" 30" 36" 48" 60" 72" 315 310 305 300 285 275 285 265 240 225 185 145 100 This Size NOT Recommended in This Service 380 370 360 350 340 335 330 315 285 265 210 160 110 This Size NOT Recommended in This Service 1" O.D. +0, -1/32" WALL 1/7" ± 1/32" (Max. Length) 8" 10" 12" 14" 16" 18" 20" 24" 30" 36" 48" 60" 72" 275 270 265 260 250 245 240 230 210 195 160 125 90 This Size NOT Recommended in This Service 345 335 325 320 310 305 300 285 260 240 190 145 100 This Size NOT Recommended in This Service STANDARD STOCK FACTORY LENGTH - 12 PCS. PER CASE * Intermediate lengths are available upon request ** Consult distributor for corrosion data *** Maximum recommended length in service is 24" SPECIAL SIZES UPON REQUEST IMPORTANT NOTE: Never exceed liquid level gauge manufacturer or glass manufacturer's pressure or temperature rating, whichever is less.