Freudenberg Sealing Technologies Heavy Industry Metal Processing
Freudenberg Sealing Technologies Metal Processing

Heavy Industry

Metal Processing

To strike while the iron’s hot

Sealing solutions for the metal processing industry

An extremely contaminated environment, strong radiant heat or special, flame retardant media – in the iron and steel industry, there are particularly pronounced demands on people, material and technology. Freudenberg Sealing Technologies provides compact sealing systems that seal reliably even in such extremely harsh conditions accompanied by high operating life requirements.

They make a contribution to:
  • Better output with regard to quantity and quality accompanied by declining costs
  • Higher performance with more compact equipment
  • Less downtime
  • Longer maintenance cycles

Merkel Radiamatic RPM 41

Freudenberg Sealing Technologies Heavy Industry Metal Processing Merkel RPM41

Work rolls in cold or hot rolling mills are one example of the excellent performance that customers expect. The highest priority here is maximum protection for expensive antifriction bearings. Freudenberg Sealing Technologies has developed a special Radial Shaft Seal especially for this purpose: Merkel Radiamatic RPM 41.

The RPM 41 offers other decisive advantages in addition to the maximum sealing effect:
  • Standard profiles in customer-specific dimensions
  • Fast availability for repair needs – within 24 hours when necessary
  • Improved durability and better self-retaining sealing ring seat
  • Suited to open and closed installation spaces
  • Smooth installation/dismantling due to elastomer seat
  • With no pretensioning spring on the seal lip

Freudenberg Sealing Technologies offers sealing solutions for a wide variety of applications in the iron and steel industry, including: roller adjusting cylinders (HAGC), backup/work rolls, ladle turrets, electrical arc furnaces (EAF), continuous casting equipment, transmission/drive shafts, cylinders for lifting, positioning, balancing, bending, winding and coiling.

Relevant products and applications in this market segment

FST Dynamische Dichtungen Dynamic Seals
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Dynamic Seals

Portfolio Freudenberg Sealing Technologies

Führungen

Guide Rings

Guide Rings have the task of guiding the rods and pistons of pneumatic and hydraulic cylinders and preventing direct metallic contact with the cylinder housing.

Dynamic Seals

Rod Seals

Rod Seals are primarily used in pneumatic and hydraulic cylinders and have the task of sealing the incoming and outgoing cylinder rod.

Dynamic Seals

V-Ring Seals and Deflectors

V-Ring Seals and Deflectors must withstand a great deal. So Freudenberg Sealing Technologies had to come up with something special to meet heavy industry's often high expectations in this area.

Dynamic Seals

Radiamatics

The requirements are high. Freedom from leakage is not only a "must" for drive shafts in shipping. Cleanliness is also of utmost importance in the paper industry with its high-speed rolls.

FST Dynamische Dichtungen Dynamic Seals Kolbendichtungen Piston Seals

Piston Seals

Piston Seals in pneumatic and hydraulic cylinders have the task of sealing the piston against the cylinder tube.

FST Dynamische Dichtungen Dynamic Seals Dreh-/Schwenkdichtungen Pivoting Motion

Rotary and Swivel Seals

It is the combination of operating conditions that put Rotary and Swivel Seals to the test. They must withstand pressure loads similar to those in hydraulic cylinders.

Dynamic Seals

Wipers

Wipers in pneumatic and hydraulic cylinders protect the interior of the cylinder from the penetration of external contaminants when the rod is retracted.

FST Static Seals Statische Dichtungen
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Static Seals

Portfolio Freudenberg Sealing Technologies

FST Static Seals Statische Dichtungen O-Ringe O-rings

O-Rings

Endless O-Rings with a circular cross-section: O-Rings are among the sealing classics par excellence.

FST Deckeldichtungen Cover Seals

Cover Seals

Even if machine elements under pressure are firmly bolted to one another, there is still a so-called static seal gap that must be sealed.

FST Applications
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Maximum protection

The sealing system with the innovative radial shaft seal ring Merkel Radiamatic RPM 41 combined with the newly developed deflector invariably comes into use when excellent protection is needed for the antifriction bearing and rapid replaceability is required for service work.

The sealing system with the innovative radial shaft seal ring Merkel Radiamatic RPM 41 combined with the newly developed deflector invariably comes into use when excellent protection is needed for the antifriction bearing and rapid, uncomplicated replaceability is required for service work. If desired, this sealing system can be delivered within 24 hours. The self-retaining RPM 41 does without a pretensioning element at the seal lip and any external, metallic components as well. This protects the installation space. Disruptions of the antifriction bearing from any metallic parts have become a thing of the past.


› Further information

FST Applications
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Precision under load

An exemplary sealing system for HAGC cylinders in hot rolling mills consists of the Merkel Omegat OMS-S rod seal, Merkel PT 2 deflector, Merkel Omegat OMK-S piston seal and Merkel Guivex guide rings.

An exemplary sealing system for HAGC cylinders in hot rolling mills consists of the Merkel Omegat OMS-S rod seal, Merkel PT 2 deflector, Merkel Omegat OMK-S piston seal and Merkel Guivex guide rings. This sealing system offers outstanding functionality and longevity even under heavy loads. It was especially developed for short strokes and high frequencies and stands for low friction and excellent stick-slip behavior.
FST Applications
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When the going really gets tough

Traditional, tried-and-tested sealing systems continue to be used. A system with V-packing seal sets (Merkel ESV, EKV and Merkel P 6 deflectors) offers a long service life even when the extending rod is not protected and subjected to strong stresses.

Traditional, tried-and-tested sealing systems continue to be used. A system with V-packing seal sets (Merkel ESV, EKV and Merkel P 6 deflectors) offers a long service life even when the extending rod is not protected and subjected to strong stresses. In addition, the system can be mounted open, which offers key advantages for maintenance. The reason: the complications and cost of complete disassembly can be avoided.