The 57B, 58B, and 59B series mechanical seals are high-performance balanced single-end mechanical seals designed for a wide range of industrial applications. They feature a compact structure, multi-spring configuration, and internal flow design, ensuring stable performance, strong adaptability, and long service life under complex operating conditions.
Performance Parameters
- Pressure range: 0 – 6.2 MPa
- Temperature range: -40°C to 260°C
- Linear speed: ≤ 25 m/s
- Shaft diameter range: 14 – 100 mm
Design Features
- Internal installation with internal circulation flow design
- Single-end face, multi-spring, balanced structure for stable operation
- Transmission seat drive ensures reliable torque transfer
- Compact structure for easy installation and maintenance
- 57B/58B types use O-ring auxiliary sealing for general applications
- 59B type uses PTFE or flexible graphite wedge ring auxiliary sealing for enhanced chemical resistance
Applicable Media
- Acids
- Alkalis
- Salts
- Organic compounds and other corrosive media
This series is suitable for a wide range of chemical and industrial process conditions, offering reliable sealing performance, excellent corrosion resistance, and stable operation in demanding environments.
