Nearly half of the heat demand in Europe’s chemical industry is for processes exceeding 400°C. One of the most promising trends in the industry is polymer recycling, where customers aim to produce high-quality polymers from recycled plastics. These processes often involve depolymerization at extremely high temperatures, such as in pyrolysis, requiring reliable mechanical seal technology to handle temperatures between 500°C and 750°C.
We at EKATO take on these challenges and develop holistic temperature management concepts in which the required temperatures are set precisely only where necessary, and as much as required.
Technical Challenges in High Temperature Applications
Chemical and Mechanical Durability of Metallic Parts: Operating temperatures exceed the limitations of elastomeric sealing elements
Process Heating vs. Drive Cooling: Condensation inside the reactor reduces efficiency and output
Limited Specialized Component Suppliers: Numerous technical interfaces complicate the process
Frequent Maintenance Intervals: Material stress necessitates safe and reliable operation
Top-entry and side-entry agitators (e.g., EM 2000, ES 2000, MD/SD)
Solutions for storage tanks, open and closed vessels
Simple mechanical seals
Short delivery times, high cost-efficiency
On-site commissioning and service
What does “Number of sealing faces” mean?
Single-acting mechanical seals These seals have one sealing surface and only seal in one direction. They are generally simpler in design and are commonly used in applications where pressure is applied from only one side.
Double-acting mechanical seals These seals have two sealing surfaces and can seal in both directions. They are ideal for applications where pressure may come from both sides or where a higher sealing performance is required.
Triple-acting mechanical seals These are less common and used in specialized applications that require a more complex sealing setup. They offer additional sealing surfaces or mechanisms to ensure reliable sealing even in highly demanding environments.
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