Rotary Shaft Seal WC


Rotary Shaft Seal WC

Rotary shaft seal in standard design with a metal outer surface, a metal insert and a spring-energised sealing lip made of elastomer. In addition, the standard model is also available with a protective lip (WCS) on the air side.

Catalog Rotary Shaft Seal WC Download View Design Housing Download View Installation Download View Sealing Mechanism Download View

Product group: Rotary shaft seal
Design: C = outer surface metal and stiffening ring
Seal material: NBR 70 
Colour: black metal cage/
Stiffening ring: non-alloy steel according to DIN EN 10139
Tension spring: non-alloy spring steel according to DIN EN 10270-1

Areas of application
Heavy engineering, e.g. agricultural and forestry machinery, wind energy converters and rolling mills. 
As a result of its greater rigidity the WC/WCS is particularly suitable for larger dimensions as well as difficult installation conditions and severe operating conditions.

The WC is a single-action rotary shaft seal for rotating or pivoting shafts with optional protective lip sealing ­action (WCS) on the side facing away from the medium, against dirt accumulation from the outside. The additional metal insert gives the rotary shaft seal more rigidity and the metal outer casing guarantees tight and accurate fitting. The WB model has limited sealing action with thin fluid or gaseous media and with split housings. 
To guarantee a high degree of static sealing on the outer surface, better surface treatment of the housing bore is required or an additional coat of paint should be applied to the metal outer casing.

Good chemical resistance to various mineral oils and greases.

Operational application limits
Pressure (Mpa/bar): ≤ 0.05/0.5
Temperature (°C): -40 to +100
Peripheral speed (m/s): ≤ 12

Suitable tools should be used for installation. It is recommended that the installation housing is designed to provide the rotary shaft seal with axial support.

The nominal widths mentioned on the following pages represent the standard dimensions. They are generally in stock or can be delivered at short notice.

Other dimensions and different designs, e.g. double dust protection lip, spiral on the sealing lip, spring or metal insert made of other steel grades can be produced as well as all kinds of special designs. WC/WCS are available with an additional coat of paint. Minimum quantities may be obligatory for dimensions outside of the standard.

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