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Tubular Gage Glass - Redline High Pressure

Schott Duran®
Redline Gage Glass - Redline Glass Code 7740. 
Borosilicate tubular gage glass has a red line between two white lines which, in the presence of a colorless liquid, magnifies the red line.  The bold red line makes it easier to read the liquid level.  Redline tubular gage glass is widely used in tanks, reservoirs and low pressure boiler applications.

Note: Each piece of Duran® tubular gage glass of standard length and in case quantities has the following identification imprinted on the glass.

Prices are per Piece.  12 Pieces per Case. Please note: Standard $35 Dollar Minimum

Please note: Standard $35 Dollar Minimum

Gauge Glass Box Fees Box Fees may apply. Click here for details.

Gauge Glass Selection GuideInstallation Guide
Size Length Temperature Up to 150°F
No Corrosion
Steam Boiler Service
Up to 425°F
Price per Piece
1/2" O.D.
±0, -1/32

5/64" Wall
± 1/64"

8 390 300 $7.60
10 370 295 $9.37
12 360 295 $11.86
14 345 290 $13.64
16 335 285 $15.24
18 325 280 $17.97
20 310 280 $19.33
24* 280 270 $24.36
30 250 NOT RECOMMENDED $29.97
36* 250 NOT RECOMMENDED $36.80
48* 175 NOT RECOMMENDED $48.80
60 135 NOT RECOMMENDED $62.24
72 100 NOT RECOMMENDED $77.62
Size Length Temperature Up to 150°F
No Corrosion
Steam Boiler Service
Up to 425°F
Price per Piece
5/8" O.D.
±0, -1/32

3-32" Wall
± 1/64"

8 370 285 $9.37
10* 345 280 $11.28
12* 335 280 $13.64
14* 325 275 $15.57
16* 315 265 $17.73
18* 305 265 $19.64
20 290 265 $23.02
24* 265 255 $27.35
30* 235 NOT RECOMMENDED $33.93
36* 205 NOT RECOMMENDED $40.48
48* 165 NOT RECOMMENDED $53.84
60 125 NOT RECOMMENDED $67.88
72 90 NOT RECOMMENDED $85.15
Size Length Temperature Up to 150°F
No Corrosion
Steam Boiler Service
Up to 425°F
Price per Piece
3/4" O.D.
±0, -1/32

7/64" Wall
± 1/64"

8 390 280 $9.95
10* 340 275 $12.82
12* 330 275 $15.24
14 320 270 $17.53
16 310 265 $19.64
18 300 260 $21.68
20 285 260 $25.68
22 270 250 $31.24
24* 260 250 $32.28
30* 230 NOT RECOMMENDED $38.95
36* 200 NOT RECOMMENDED $45.80
48 160 NOT RECOMMENDED $60.40
60 125 NOT RECOMMENDED $77.62
72 190 NOT RECOMMENDED $98.86
Size Length Temperature Up to 150°F
No Corrosion
Steam Boiler Service
Up to 425°F
Price per Piece
1" O.D.
±0, -1/32

1/8" Wall
± 1/64"

24 230 NOT RECOMMENDED $49.24
30 210 NOT RECOMMENDED $60.60
36 195 NOT RECOMMENDED $73.02
48 160 NOT RECOMMENDED $97.71
60 125 NOT RECOMMENDED $126.91
72 90 NOT RECOMMENDED $133.04
 
* Also Available in sizes 1 1/8" to 6" - Priced upon request

 *Note: *  Indicates standard factory stocked lengths.  All items are packaged (12) pieces per case when ordered in standard stock factory lengths unless otherwise indicated, or ordered cut to length or ordered in less than case quantities.


 Disclaimer: PPI holds no responsibility for misprints. Prices subject to change.

 

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