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When installing a tube furnace, how can I ensure that the flanges are tightened evenly?

Time：2024-07-10

　　
To ensure uniform tightening of the flange when installing a tube furnace, you can take the following steps:

1. Choose the right tools
- Use a torque wrench to control the tightening force and ensure that each bolt is tightened to the same degree.

2. Mark the bolt positions
- Number or mark the bolts on the flange so that they can be tightened in a certain order.

3. Use a diagonal tightening sequence
- Tighten the diagonal bolts first, and then tighten the adjacent bolts. For example, tighten bolts 1 and 3 first (assuming the bolts on the flange are numbered 1 - 8 clockwise), then tighten 2 and 4, and so on.

4. Tighten in steps
- Do not tighten the bolts in place at once, but increase the tightening force gradually in multiple times. Generally, it can be divided into 2-3 steps, and each tightening is done to a certain degree before the next tightening.

5. Apply force evenly
- When tightening the bolts, keep the wrench perpendicular to the bolts and apply force evenly to avoid uneven tightening due to deflection.

6. Check and adjust
- After completing the initial tightening, check the tightness of all bolts again. If there is obvious unevenness, make appropriate adjustments.

7. Follow the manufacturer's instructions
- Strictly follow the requirements and parameters for flange tightening in the installation manual provided by the tube furnace manufacturer.

The above methods can effectively ensure that the flange is tightened evenly when installing the tube furnace, and improve the sealing and safety of the tube furnace.

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When installing a tube furnace, how can I ensure that the flanges are tightened evenly?

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