Sapphire Products >> Sapphire Tubes >> Sapphire thermocouple tube
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Sapphire tube for thermocouple sheath |
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Single crystal sapphire features unique physical and chemical properties, e.g. exceptional chemical stability and corrosion resistance, 100% gas tightness, high melting temperature of 2030 °C, excellent thermal conductivity and heat resistance. Sapphire tube is ideal material for the protection of thermocouples in corrosive environment. |
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The super reliability of sapphire protection tube significantly improve life expectancy of the thermocouple and reduce interruptions and shutdowns in operation. |
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Specifications of Sapphire thermocouple tube |
- Inner Diameter: 15mm
- Outer Diameter: 18mm
- Length: 280mm
- Dimension Tolerance: ±0.05mm
- Concentricity: ±0.05mm
- Surface finish: as-grown
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| Key properties |
| 1. 100% gas tightness, sapphire tube provides environmental insulation and protects the thermocouple from the diffusion of ambient atmosphere. |
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High melting temperature of 2030 °C, sapphire protection tube covers most of high temperature applications of thermocouple. |
| 3. Extremely hard, strong and wear resistant, sapphire tubes can be used in hostile environments to protect thermocouple against pressure and mechanical abuse. |
| 4. Exceptional chemical stability and corrosion resistance, sapphire tube prevents possible damage of thermocouples. |
| 6. Superior dielectric material with a high dielectric constant |
| 7. High Purity 99,995%, |
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