Glass-Trac Welding Pad Gauges are used when standard tank connections cannot be used or when the liquid has solids in suspension. The gauge becomes an integral part of the vessel because it is welded right onto the outer wall. Reflex or Transparent glass is used in any of nine standard lengths. Standard covers are 3⅛” wide.
Notes: Welding pad gauges to be used on vessels less than 36” in diameter must be special ordered. The welding pad body must be machined to allow proper fit up. When ordering, add WP to gauge size number.
Size No. | Dimensions In Inches | Cap Screws | ||
---|---|---|---|---|
Glass Size | No. Sect. | Overall Length | Visible Glass | |
1 | 1 | 5-1/4” | 3-3/4” | 6 |
2 | 1 | 6-1/4” | 4-3/4” | 8 |
3 | 1 | 7-1/4” | 5-3/4” | 10 |
4 | 1 | 8-1/4” | 6-3/4” | 10 |
5 | 1 | 9-3/8” | 7-7/8” | 12 |
6 | 1 | 10-5/8” | 9-1/8” | 14 |
7 | 1 | 11-3/4” | 10-1/4” | 16 |
8 | 1 | 13-3/8” | 11-7/8” | 16 |
9 | 1 | 14-1/8” | 12-5/8” | 16 |
3 | 2 | 14-1/2” | 13” | 16 |
4 | 2 | 16-1/2” | 15” | 20 |
5 | 2 | 18-3/4” | 17-1/4” | 20 |
6 | 2 | 21-1/4” | 19-3/4” | 24 |
7 | 2 | 23-1/2” | 22” | 28 |
8 | 2 | 26-3/4” | 25-1/4” | 32 |
9 | 2 | 28-1/4” | 26-3/4” | 32 |
6 | 3 | 31-7/8” | 30-3/8” | 36 |
7 | 3 | 35-1/4” | 33-3/4” | 42 |
8 | 3 | 40-1/8” | 38-5/8” | 48 |
9 | 3 | 42-3/8” | 40-7/8” | 48 |
7 | 4 | 47” | 45-1/2” | 56 |
8 | 4 | 53-1/2” | 52” | 64 |
9 | 4 | 56-1/2” | 55” | 64 |
7 | 5 | 58-3/4” | 57-1/4” | 70 |
8 | 5 | 66-7/8” | 65-3/8” | 80 |
9 | 5 | 70-5/8” | 69-1/8” | 80 |
Chamber | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L |
---|---|---|
Gasket | Non-Asbestos Fiber | |
Glass | Tempered Borosilicate | |
Cushion | Garlock IFG 5500 | |
Cover | Carbon Steel A-108 1018 | Stainless Steel ASTM 276 316L |
Bolt/U-Bolt | Carbon Steel ASTM A 193 Grade B7 Rust Proof | |
Nut | 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 |
---|---|---|
Weld Pad Overview | Product Literature | |
110-00 | Glass-Trac Training Manual | Technical Documents |
120-08 | Weld Pad Dimensional Drawing | Technical Documents |
110-01 | Glass Trac ISA Data Sheet | Data Sheet, Glass-Trac |
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