Sealing technology

Applications

Rotating mechanical seals for pumps, agitator mechanisms and compressors; magnetic couplings, seal supply systems, gland-nut packing elements, static seals, sealing systems for revolving tubular kilns, seals for marine use, seals for use in the aerospace industry, shaft seals

Ranges of dimensions

AD min.: 50 mm, max.: 1,500 mm, ID min.: 25 mm, max. cast weight: 3.3 t, max. cast length: 5 m, max. length: 8 m (welded construction)

Components

Sealing rings, O-rings

Special requirements of the materials used

High wear-resistance

Material groups

Ferritic-carbide gravity casting, austenitic steels, ferritic and martensite steels, duplex steels

Materials

1.4138, K4122, 1.4408 (1.4401), 1.4409 (1.4404), 1.4470 (1.4462), 1.4581 (1.4571 / 1.4580)

* Materials listed in italics are those that consist of our material-matched forged alloys