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PTFE sandwich gasket is made by asbestos rubber plate, wrapped with PTFE which possesses such features as anti-corrosion.
Features
PTFE sandwich spacer is made by asbestos rubber plate wrapped with PTFE which possesses such features as anti-corrosion, and not reaction with dense acid, alkaline, and other oxidant.
Specification
Nominal(Dg) | insaidedia(mm) | outsidedia(mm) | height(mm) | Nominal(Dg) | insaidedia(mm) | outsidedia(mm) | height(mm) | |
10 | 15 | 40 | 1-3 | 65/70 | 76 | 120 | 1-5 | |
15 | 18 | 45 | 1-3 | 80 | 89 | 138 | 1-5 | |
20 | 25 | 58 | 1-3 | 100 | 108 | 158 | 3-5 | |
25 | 32 | 68 | 1-3 | 125 | 133 | 188 | 3-5 | |
32 | 38 | 78 | 1-3 | 150 | 162 | 218 | 3-5 | |
40 | 45 | 85 | 1-5 | 200 | 215 | 271 | 3-5 | |
50 | 55 | 100 | 1-5 | 250 | 273 | 326 | 3-5 | |
Welding structure is applied for F4when diameter is larger than 250. | ||||||||
Main property
Properties | Unit | Result |
working temperature | C | -10~250C |
medium pressure | MPa | 0-6.4 |
ratio of leakage(<;70MPa) | cm3/sec | 1?0-3 |
Applications
Used as sealing materials for pipes, flanges, reaction vessels, valves, and other containers.
