TIn mixing technology, a reliable sealing of the mixing vessel can be ensured only by means of a complete mechanical seal system. Careful selection of suitable hydraulic and installation components is at least as important as the safe construction of the mechanical seal itself. The supply of seal liquid is of primary safety-related importance because the physical processes in the sealing gap and on the sealing surfaces are very sensitive to high temperatures.
Product Details
EKATO hydraulic components and sealing systems from one single supplier
The sealing technology and hydraulic components were specially developed for agitators
Precisely adapted to every application
The best solution for any special sealing problem
Individual hydraulics tailored to customer requirements
Storage Vessels
Storage Vessels VG
Storage vessel for seal liquid with side windows
Contents 1.5 l
Cooling of the seal liquid by cooling jacket (water jacket)
Application up to 10 bar (abs)
Storage Vessel VGS
Storage vessel for seal liquid with float magnetic switch and level indicator for monitoring of the fill level
Contents 1.5 l
Application up to 10 bar (abs)
Installation of a level limit switch (Liquiphant) for redundant monitoring in ATEX Zone 0
Storage Vessel VGL
Large storage vessel for seal liquid with float magnetic switch and level indicator for monitoring of the fill level
Contents 6 l
Cooling of the barrier liquid by integrated cooling coil
Application up to 16 bar (abs)
Accessories for Storage Vessels
Hand pump for refilling the seal liquid
Pressure gauge and safety valve for pressure overlay
Water jacket or cooling coil for cooling of the seal liquid
Magnetic float switch with min–min alarm and switch amplifiers for ATEX Zone 1
Level switch for redundant monitoring at ATEX Zone 0
Pressure Compensators
Pressure compensator VGD
With storage vessel including manometer and safety valve
Cooling of the barrier liquid by cooling jacket (water jacket)
Application up to 40 bar (abs) – Volumes 0.3 l
Monitoring of the level via proximity switch – ATEX Zone 1
Pressure compensator VD 120
For high pressure seals
Application up to 70 bar (abs) – Volumes 0.8 l
In combination with VD120PS pressure splitter, can be used up to 100 bar
Proximity switch for monitoring the fill level
High pressure compensator VDH
Installation of “overhead” for automatic ventilation
Volume 0.8 l
Magnetic roller display for fill level monitoring and automatic refilling
Application up to 100 bar (abs)
Sterile System
Special requirements for mechanical seals occur in the operation of sterile processes, such as food processing, in the pharmaceutical industry and in the biotechnology. Therefore EKATO offers a complete sterile system consisting of a mechanical seal and a sterile installation. These sterile systems are used when the vessel / process needs be sealed from any biomass by the mechanical seal.
The EKATO sterile system is an ideal solution for the process demand of a hot and completely sterile seal liquid, where biomass can not grow. On the other hand it serves the mechanical seal demand of cool seal liquid for seal face lubrication and cooling.
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Step 1: Flow-through sterilization Cleaning and sterilization of all parts with fresh steam during standstill of the agitator
Step 2: System-filling Filling the system with sterile condensate during standstill of the agitator
Step 3: Continuous loop-operation Cyclical sterilization of the condensate by fresh steam and seal liquid condensate cooling by the heat exchanger during operation
Features – sterile system
Complete sterile system, mechanical seal and sterile installation out one hand (less interfaces)
Self regulating system with very low energy consumption
Optimized mechanical seal design without gaps (ESD34S / ESD44S)
Sterile conditions in the storage vessel during operation: no microbe growth
Constant circulation and continuous sterilization of the condensate
Overpressurized system due to steam pressure: no entry of extern contaminations
Sterilization of the condensate after exiting the seal by inflowing fresh steam
Sealing liquid condensate cooled by plate heat exchanger
Sealing liquid condensate with ideal operating temperature: extended seal lifetime
Related Topics
You may also be interested in these topics
Double‑Acting Mechanical Seals
Double‑acting liquid‑lubricated mechanical seals are the most common for mixing applications. They can be used under nearly all operating conditions.
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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