BIA mechanical seal is one of the most commonly used. They are pre-loaded on the shaft by means of a rubber bellows which grips the shaft and makes tight contact with the holder. The holder in turn drives sealing face by means of the driving sleeve.

The equivalent seals, like Japan type EA560 seals, USA type 43 seals, Crane type 21 seals or type 521 seals, etc., are available on request.

Operating limits
Shaft diameter: 8 - 100mm
Pressure: <=1.0 Mpa
Temperature: - 10 - 150ºC
Linear velocity: <=10m/s