Type | John Crane 59U,59B,58U,58B Mechanical seal |
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Structure:Single seal,independent of direction of rotation,conform to EN12756(DIN24960),multi-spring. Application:oil,water,organic solvent and weak causticity medium. Operating limits:59U,58U Unbalanced pressure: less than or equal to1.6MPa 59B,58B Balanced pressure less than or equal to3.0 MPa Temperature=- 50 to 220 Degrees Celsius speed less than or equal to20m/s |