Installation Precautions for Mechanical Seals on Reactor Vessels

1. Check the Mechanical Seal Before Installation
* Inspect all seal components carefully to ensure there is no damage, contamination, or deformation.
* Verify that the seal model, size, materials, and operating parameters match the reactor requirements.
2. Cleanliness During Installation
* Keep the working area clean and dust-free during installation.
* Clean the shaft, seal chamber, and all sealing surfaces before assembly.
* Avoid touching the seal faces with dirty hands or tools.
3. Shaft and Equipment Inspection
* Check the shaft or sleeve surface for scratches, corrosion, or excessive wear.
* Ensure the shaft runout and alignment are within the specified tolerance.
* Confirm that the seal chamber dimensions meet the mechanical seal requirements.
4. Installation of Seal Faces
* Handle the seal faces carefully to prevent scratches or impact damage.
* Do not apply excessive force during installation.
* Ensure the rotating and stationary faces are correctly aligned and fully seated.
5. O-Ring and Elastomer Installation
* Check O-rings and elastomer parts for damage before installation.
* Use a suitable lubricant compatible with the process medium when installing O-rings.
* Avoid twisting, cutting, or overstretching elastomer components.
6. Spring and Rotating Parts Assembly
* Ensure springs move freely without blockage.
* Confirm the correct installation direction of rotating components.
* Tighten all screws evenly according to the recommended torque.
7. Flushing and Cooling System
* For high-temperature reactor applications, ensure the cooling or heating circulation system is properly connected.
* Confirm that flushing liquid is clean and flowing before operation.
* Avoid dry running of the mechanical seal.
8. Vacuum and Pressure Conditions
* For vacuum reactor applications, check the seal design is suitable for negative pressure operation.
* Perform a pressure and leakage test before starting the equipment.
9. Initial Operation Check
* Rotate the shaft manually before startup to confirm smooth movement.
* Start the reactor at low speed and monitor for abnormal vibration, noise, or leakage.
* Check seal temperature and operating conditions during the first hours of operation.
10. Maintenance Recommendations

* Regularly inspect leakage, vibration, temperature, and lubrication conditions.
* Replace worn sealing components in time to prevent equipment damage.
* Always follow the mechanical seal manufacturer’s installation instructions.

Important:
A mechanical seal is a precision component. Proper installation, clean working conditions, and correct operating parameters are essential to achieve reliable sealing performance and long service life

Jiaxing Burgmann Mechanical Seal Co., Ltd

Email: doris@mechanicalseal.com.cn

Mob: 86-15381220188

WhatsApp: 8615381220188

Website: www.industrial-mechanicalseals.com

Add: A-5 Wanyangzhongchuangcheng, Ganyao Town, Jiashan county, Jiaxing, Zhejiang, China. 314107