Catalog excerpts
(cup mounted stationary seat) A rubber bellow seal bidirectional with the drive of the rotating part made by the friction (o-ring mounted stationary seat) between the shaft and inside diameter of the rubber bellow. The common materials for the faces are Carbon/Ceramic/NBR and SiC/SiC/ FPM. It is used mainly on water pumps for light applications. The metal parts are supplied in stainless steel 304. MAX. WORKING CONDITIONS Dimensions in mm. These depend on: ø shaft, pressure, speed, temperature and fluid to be sealed. See page 74.
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