RS-609 Metal Bellow Seal

Single seal
Balanced
Independent of direction of rotation
Metal bellows
John Crane 609 seal replacement

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RS-609 metal bellow seal series is widely used for high temperature and high viscosity medium. Its rotating O-ring has no compensational function so that the bellows can move without damp. It can replace John Crane metal bellow seal type 609.

Operating limits

Specification: 16~200mm

Pressure: ≤2.5Mpa

(Double layer wave plate ≤5.0Mpa)

Temperature:-20℃~300℃

Linear speed: ≤15m/s

Axial movement: ±1.0mm

Combination of materials

Sealing face: Carbon, Silicon carbide, Tungsten carbide

Secondary sealing: NBR, FKM, EPDM, FFKM, Flexible graphite

Metal component: SS304, SS316, Hast.C, 4J42, Ti

Bellows: SS316, AM350, Hast.C, Alloy718

johncrane-609-drawing

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