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GL - GreenLine® Heavy Wall Gauge Glass Tubing
Maximum Recommend Working Pressure, PSI
Diameter Item ID Length pcs/cs Service
up to 150℉		 Boiler Service
up to 425℉
1/2” GL1208 8 12 390 300
+ 0 GL1210 10 12 370 295
- 1/64” GL1212 12 12 360 295
GL1214 14 12 345 290
GL1216 16 12 335 285
GL1218 18 12 325 280
Wall GL1220 20 12 310 280
5/64" GL1224 24 12 280 270
+/- 1/64" GL1230 30 12 250 **
GL1236 36 12 215 **
GL1248 48 12 175 **
GL1260 60 12 135 **
GL1272 72 12 100 **

Maximum Recommend Working Pressure, PSI
Diameter Item ID Length pcs/cs Service
up to 150℉		 Boiler Service
up to 425℉
5/8” GL5808 8 12 360 280
+0 GL5810 10 12 340 275
-1/64" GL5812 12 12 330 275
GL5814 14 12 320 270
GL5816 16 12 310 265
GL5818 18 12 300 260
Wall GL5820 20 12 285 250
6/6" GL5824 24 12 260 250
+/- 1/64" GL5830 30 12 230 **
GL5836 36 12 200 **
GL5848 48 12 160 **
GL5860 60 12 125 **
GL5872 72 12 90 **

Maximum Recommend Working Pressure, PSI
Diameter Item ID Length pcs/cs Service
up to 150℉		 Boiler Service
up to 425℉
3/4" GL3408 8 12 360 280
+0 GL3410 10 12 340 275
-1/64" GL3412 12 12 330 275
GL3414 14 12 320 270
GL3416 16 12 310 265
GL3418 18 12 300 260
Wall GL3420 20 12 285 250
7/64" GL3424 24 12 260 250
+/- 1/64" GL3430 30 12 230 **
GL3436 36 12 200 **
GL3448 48 12 160 **
GL3460 60 12 125 **
GL3472 72 12 90 **

Maximum Recommend Working Pressure, PSI
Diameter Item ID Length pcs/cs Service
up to 150℉		 Boiler Service
up to 425℉
1" GL0124 24 12 390 300
+0 GL0136 36 12 370 295
-1/64" GL0148 48 12 360 295
GL0160 60 12 345 280
Wall 1/8"
+/- 1/64"		 GL0172 72 12 335 275

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