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"ISO Standard Thermostatic Bi-metal Spring for Auto"
Wuhu Boton Automobile Parts Factory is a professional manufacturer with Boton brand and self-developement capacity. Our core competencies is thermostatic bimetal components, thermometer, jumping disc toys, heating chamber for engine carburetors, auto generator regulars,various auto glass lifter motor protector.
Theromsatic bi-metal spring (also called bimetal spring ,bimetallic coil) consists of two or more metallic strips with different thermal expansion bonded together. When heated up, it bends in a pre-determined manner and can be used to monitor, measure and regulate temperature.
Coiling of the thermostatic bimetal achieves greater “active length” within a small space, thus maximizing the possible displacement.
One end of the spiral /helical coil is permanently fixed .the loose end describes a rotary path in response to a change in temperature.
The choice between a spiral or a helical coil depends on the intended application.
Spirals are preferred for measuring ambient temperatures (room temperature, sauna thermometer).
| Brand : TB 208/110 | |
| Composition | MnCu18 NI10/ FeNi36 |
| Specific thermal curvature/ flexivity (20 to 130℃) | K=39.0 10-6 / K ± 5% |
| Specific thermal deflection (20 to 100 ℃) | α=20.8 10-6/ K |
| Electrical resistivity | ρ=1.10μΩm±5% |
| Linearity range | -20 to 200°C |
| Useful deflection temperature range | -70 to 250°C |
| Recommended maximum operating temperature | 350°C |
| Density(at 20°C) | γ=7.7g/cm2 |
Vickers hardness : high expansion side low expansion side
| HV=180 to 260 HV=190 to 270
|
| Modulus of elasticity (at 20°C) | E=145000MPa |
| Permissible bending stress (at 20°C) | σperm =200 MPa |
| Thermal conductivity (at 20°C) | λ=6W/m K |
| Specific heat capacity (at 20°C) | C=0.46 KJ/Kg K |
1. 16 years experiences and professional R&D team provides you professional development proposal and customized product.
2. 1.000.000 times fatigue testing ensures the reliable performance
3. From beginning to end, from sample to shipping, we can handle your entire project, which makes your business easier.
4. ISO certified, Supplier of Kohler CO, Exclusive supplier of China FAW Group Corporation, this is how we keep good quality and reliable cooperaion for global valued customers.
Welcome to Wuhu Boton Automobile Parts Factory!
We will always here and try our best to provide you great service.
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