+49 521 9768-46


+49 511 97887-240

Find facility
Sealing technology

Sealing technology

Werthenbach offers the full range of seals. We keep a large selection of seals in our standard range from brand suppliers, such as NILOS Ring, Freudenberg, INA, SKF. To assist in selecting the right sealing product, our trained sales advisors are on hand to help.

Rotational seals: mechanical seals, cassette seals, combination seals, mechanical face seals, modular radial shaft seals, radial shaft sealing rings, and, as merchandise, radial shaft seal rings, original simmer rings, V-ring water deflectors, sealing covers, sealing caps, shaft protection sleeves

Hydraulics and pneumatics wipers: chevron seal sets, damping seals, seals for rotary and swivel movements, guides, piston seals, rod seals.

O-rings and clamp seals, static seals: Cover-Sea, flat and punched gaskets as per drawings, milk pipe threaded joint seals, O-rings, rectangular rings, support rings, Usit rings, X-rings

Special-purpose seals and bellows: mouldings, grippers and suction cups, micro or miniature parts, sheets, roll-type products, plug and seal connectors, profiles, cords and hoses, roll-type membranes, membranes, gland packings

NILOS rings: LSTO, LST-L rings, NILOS spacer rings, NILOS rings

Your local contact:










Radial shaft seal ring, Original Simmering's

Radial shaft seal ring, Original Simmering's

The Simmering is an universally usable sealing element. Its function is to seal a rotating shaft and a housing, to protect them against oil loss and to avoid the penetration of humidity and contamination at the same time. The Simmerring consists of an Elastomer part, a banding and a spring. The selection of the right seal depends on the existing operating conditions. The Simmering meets the German national standard DIN 3760.


Internal combustion motors, drive unit in agricultural and construction machinery as well as in passenger cars and commercial vehicles, industrial gears, hydro aggregates, heavy industry, machines in the food and chemical industry, compressor manufacture, household and industrial washing machines. Wind craft industry, ship building, rolling mills, as particularly big radial shaft seals.