Glass-Trac Transparent Gauges use clear, see- through glass on both sides so that both the color and the interface of liquids can be viewed. Electric lighted gauge illuminators are available for use on Transparent Gauges and provide easy viewing of liquid levels in dimly lighted areas. Transparent Gauges are made in three pressure series (maximum 3000 psig @ 100ºF) and are tapped for ½” or ¾” NPT connections. The standard Glass- Trac level gauges are designed for -20ºF service.
On Glass-Trac Transparent Close Hook-up Gauges with ½” NPT connections, the center-to-center dimensions is the same as the overall length on standard gauges.
On Close Hook-up Gauges with ¾” NPT connections, the center-to-center dimensions is the same as the overall length on standard gauges plus ⅜”.
| Low Pressure Gauge** | |||||||
|---|---|---|---|---|---|---|---|
| Glass Size | 100º | 200º | 300º | 400º | 500º | 600º | 700º |
| 1 | 2000 | 1935 | 1870 | 1790 | 1660 | 1480 | 1260 |
| 2 | 1815 | 1750 | 1690 | 1620 | 1510 | 1340 | 1150 |
| 3 | 1630 | 1580 | 1520 | 1460 | 1360 | 1210 | 1050 |
| 4 | 1440 | 1390 | 1340 | 1290 | 1200 | 1060 | 900 |
| 5 | 1250 | 1210 | 1170 | 1120 | 1040 | 920 | 790 |
| 6 | 1065 | 1030 | 995 | 950 | 890 | 790 | 680 |
| 7 | 875 | 845 | 815 | 785 | 730 | 645 | 550 |
| 8 | 690 | 665 | 645 | 620 | 575 | 510 | 440 |
| 9 | 500 | 480 | 465 | 445 | 415 | 370 | 320 |
| Maximum Saturated Steam 350 WSP | |||||||
| Mid Pressure Gauge** | |||||||
| Glass Size | 100º | 200º | 300º | 400º | 500º | 600º | 700º |
| 1 | 2500 | 2420 | 2340 | 2240 | 2080 | 1850 | 1580 |
| 2 | 2315 | 2250 | 2170 | 2090 | 1940 | 1720 | 1470 |
| 3 | 2130 | 2060 | 1990 | 1910 | 1770 | 1575 | 1340 |
| 4 | 1940 | 1875 | 1810 | 1740 | 1620 | 1435 | 1230 |
| 5 | 1750 | 1690 | 1630 | 1570 | 1460 | 1295 | 1100 |
| 6 | 1565 | 1510 | 1460 | 1400 | 1305 | 1160 | 990 |
| 7 | 1375 | 1330 | 1280 | 1230 | 1145 | 1015 | 870 |
| 8 | 1190 | 1150 | 1110 | 1065 | 990 | 880 | 750 |
| 9 | 1000 | 970 | 935 | 895 | 835 | 740 | 630 |
| Maximum Saturated Steam 750 WSP with Mica Shield | |||||||
| High Pressure Gauge** | |||||||
| Glass Size | 100º | 200º | 300º | 400º | 500º | 600º | 700º |
| ALL | 3000 | 2920 | 2850 | 2780 | 2600 | 2310 | 1890 |
* Glass-Trac standard gauge glass is made of borosilicate glass, good to 600 degrees F. For temperatures exceeding 600, aluminosilicate glass can be supplied up to 800 degrees F. Above 800 degrees F consult factory.
| Part | Low Pressure Series | Medium Pressure Series | High Pressure Series | |||
|---|---|---|---|---|---|---|
| Chamber | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L |
| Gasket | Garlock IFG 5500 | Garlock IFG 5500 | Garlock IFG 5500 | |||
| Glass | Tempered Borosilicate | Tempered Borosilicate | Tempered Borosilicate | |||
| Cushion | Garlock IFG 5500 | Garlock IFG 5500 | Garlock IFG 5500 | |||
| Cover | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L |
| Bolt/U-Bolt | Carbon Steel ASTM A 193 Grade B7 Rust Proof | Carbon Steel ASTM A 193 Grade B7 Rust Proof | Carbon Steel ASTM A 193 Grade B7 Rust Proof | |||
| Nut | Carbon Steel ASTM A 194 2H | Carbon Steel ASTM A 194 2H | Carbon Steel ASTM A 194 2H | |||
| Gasket Material | Minimum Temperature | Maximum Temperature | Rating Factor |
|---|---|---|---|
| Garlock IFG® -5500 | -40°F (-40°C) | 550°F (288°C) | 100% |
| 25% Glass Filled TFE | -328°F (-200°C) | 500°F (260°C) | 100% |
| Grafoil® | -328°F (-200°C) | 800°F (426°C) | 100% |
| PCTFE (Kel-F®) Shield | -400°F (-268°C) | 302°F (150°C) | 50% |
| Glass Type | Temperature Rating |
|---|---|
| Borosilicate | Up to 600°F (316°C) |
| HP Borosilicate | Up to 600°F (316°C) |
| Aluminosilicate | Up to 800°F (426°C) |
| Document | Title | Category |
|---|---|---|
| 100-00 | Glass-Trac Liquid Level Gauges and Valves Catalog | Brochures, Product Line Brochure |
| 110-00 | Glass-Trac Training Manual | Technical Documents |
| 110-01 | Glass-Trac Specification Guide | Glass-Trac, Product Literature, Technical Documents |
| 130-01 | Glass Trac IOM | IOMs, Product Literature |
| Transparent Level Gauges | Product Literature | |
| 110-02 | Crossover Sheets | Glass-Trac, Technical Documents, Tele-Trac Webinar |
| Daniel Acquisition Announcement | ||
| 110-01 | Glass Trac ISA Data Sheet | Data Sheet, Glass-Trac |
| Viewing Angle Specification | Data Sheet, Steam-Trac | |
| Glass Cover Removal Instructions | Product Literature |
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