Special sealing products

Special Sealing Products

Stuffing Box Packings


Our products in detail

FST Stopfbuchspackungen Stuffing Box Packings Alchem

Merkel Alchem 6375

Universal valve packing for use in the chemical industry.
FST Stopfbuchspackungen Stuffing Box Packings Arochem

Merkel Arochem S 6216

Special pump packing; especially suited to abrasive media and high shaft speeds.
FST Stopfbuchspackungen Stuffing Box Packings Arolan

Merkel Arolan II 6215

Universal pump packing; especially suited to abrasive media and shaft runout.
FST Stopfbuchspackungen Stuffing Box Packings Arostat

Merkel Arostat 6204

Wear-resistant universal packing for valves and static applications.
FST Stopfbuchspackungen Stuffing Box Packings Carbosteam

Merkel Carbosteam 6550 A

Valve packing for high temperatures.
FST Stopfbuchspackungen Stuffing Box Packings G-Spezial

Merkel G-Spezial 6560

Universal repair packing for high-temperature steam valves.
FST Stopfbuchspackungen Stuffing Box Packings G-Spezial

Merkel G-Spezial S 6565

High-performance service packing for pumps and valve.
FST Stopfbuchspackungen Stuffing Box Packings Grafiflex6501

Merkel Grafiflex 6501

Packing rings for high-temperature valves.
FST Produktvariante

Merkel Grafiflex Deckeldichtung

Packing rings for high-pressure application.
FST Stopfbuchspackungen Stuffing Box Packings Kombilon

Merkel Kombilon 6742

Ideal for pumps and mixers in the paper and chemical industry.
FST Stopfbuchspackungen Stuffing Box Packings Ramilon

Merkel Ramilon 4586

Packing with a very good price-value ratio – ideal for water pump applications.
FST Stopfbuchspackungen Stuffing Box Packings Unichem

Merkel Unichem 6313

Universal pump packing for applications in the chemical industry.
FST Stopfbuchspackungen Stuffing Box Packings Uniflex

Merkel Uniflex 6588

The ideal packing for all pump applications.
FST Stopfbuchspackungen Stuffing Box Packings Unistat

Merkel Unistat 6303

Ideal for regulating valves and plunger pumps.
FST Stopfbuchspackungen Stuffing Box Packings Unival

Merkel Unival 6323

Universal pump packing; specially suited to high shaft speeds and high temperatures.
FST Stopfbuchspackungen Stuffing Box Packings Univerdit

Merkel Univerdit 7000

Special high-density pump and valve packing.

Play by your own rules

Freudenberg Sealing Technologies stuffing box packings for pumps and armatures

Special parameters require special seals. So-called stuffing box packings have been tried-and-tested for extremely high temperatures and chemical resistance in pump and valve applications. They offer an excellent sealing effect while maintaining constant elasticity. Stuffing box packings are firmly pressed into the installation space and remain elastic even with steady changes in temperature and pressure. Freudenberg Sealing Technologies packings have been proven to be flexible in other ways as well. For rapid repairs, rings can simply be cut from the roll and mounted. A long service life, high extrusion stability and dry-run capabilities round out the profile of these seals.

The ideal stuffing box packing for every kind of static or dynamic application – that is the goal of Freudenberg Sealing Technologies product developers. To meet this requirement, the company’s standard portfolio already includes a wide variety of different materials and designs. 

Special stuffing box packings for the process industry

Stuffing box packings are found in many applications in the chemical industry. In these cases, they are especially well suited for use in solvents and concentrated acids and alkaline media, or at very high temperatures. This special product line, including the PTFE-impregnated packing nonwoven Valtec, leaves nothing to be desired, even when it comes to FDA approvals for the food industry

 

Relevant market segments

Freudenberg Sealing Technologies Chemical Plant

Chemical

Aggressive, sometimes toxic media, high pressures as well as extreme temperatures and temperature fluctuations – seals face special challenges in the extraction...

Freudenberg Sealing Technologies Commercial Marine

Commercial Marine

Ships are the largest movable man-made structures. Accordingly, their requirements are substantial and multifaceted. Freudenberg Sealing Technologies provides…

Freudenberg Sealing Technologies Distribution

Distribution

Freudenberg Sealing Technologies proceeds just as systematically in the selection of its strategic distribution partners as it does with seal quality. Its global...

Freudenberg Sealing Technologies Fluid Power

Fluid Power

Our customers already know they can depend on the quality and performance they get from Freudenberg Sealing Technologies: Whether it's in their hydraulic cylinders…

Freudenberg Sealing Technologies Mining

Mining

Safety is the highest priority when it comes to working underground. At the same time, operating efficiency plays a key role in this industry as well...

Freudenberg Sealing Technologies Pharmaceutical

Pharmaceutical

The bar has been set especially high for pharmaceuticals when it comes to cleanliness and hygiene. For the highly-sensitive aseptic field, Freudenberg Sealing...

Freudenberg Sealing Technologies Power Generation

Power Generation

Large diesel engines must run reliably and efficiently even under the most adverse operating conditions. This can only happen with first-class seals. Low-friction…

Freudenberg Sealing Technologies Pulp Paper

Pulp & Paper

Seals from Freudenberg Sealing Technologies even withstand extremely high speeds and severe temperature fluctuations. For customers in the pulp and paper industry...