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HW - Heavy Wall Clear 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" HW1208 8 12 390 300
+0 HW1210 10 12 370 295
-1/64" HW1212 12 12 360 295
HW1214 14 12 345 290
HW1216 16 12 335 285
HW1218 18 12 325 280
Wall HW1220 20 12 310 280
5/64" HW1224 24 12 280 270
+/- 1/64" HW1230 30 12 250 **
HW1236 36 12 215 **
HW1248 48 12 175 **
HW1260 60 12 135 **
HW1272 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" HW5808 8 12 360 280
+0 HW5810 10 12 340 275
- 1/64" HW5812 12 12 330 275
HW5814 14 12 320 270
HW5816 16 12 310 265
HW5818 18 12 300 260
Wall HW5820 20 12 285 250
6/64" HW5824 24 12 260 250
+/- 1/64" HW5830 30 12 230 **
HW5836 36 12 200 **
HW5848 48 12 160 **
HW5860 60 12 125 **
HW5872 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" HW3408 8 12 360 280
+0 HW3410 10 12 340 275
- 1/64" HW3412 12 12 330 275
HW3414 14 12 320 270
HW3416 16 12 310 265
HW3418 18 12 300 260
Wall HW3420 20 12 285 250
7/64" HW3424 24 12 260 250
+/- 1/64" HW3430 30 12 230 **
HW3436 36 12 200 **
HW3448 48 12 160 **
HW3460 60 12 125 **
HW3472 72 12 90 **

Maximum Recommend Working Pressure, PSI
Diameter Item ID Length pcs/cs Service
up to 150℉		 Boiler Service
up to 425℉
1" HW0124 24 12 390 300
+0 HW0136 36 12 370 295
-1/64" HW0148 48 12 360 295
HW0160 60 12 345 280
Wall 1/8"
+/- 1/64"		 HW0172 72 12 335 275

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