SERIES: AMPTB & AMPTBR
Series AM200 is single coil spring seal with rubber bellow mainly for use in waste water treatment plants in the sewage application. The rubber bellow protects the shaft/sleeve from fretting. The bellows are not subjected to any tensional stress. Torque transmission is through out the spring and spring holder. Self aligning features accommodate abnormal shaft run out and primary sealing wear. The single coil spring will avoid effluent particles.
a) Series PTPTB
Seal faces are not replaceable. Glass field PTFE face is composite molded with flexible PTFE bellow.
a) Series PTPTBR
Seals faces are replaceable and can be supplied with hard materials suitable for abrasive services.
Seal Characteristics
- Single Seal
- Outside Mounted
- Helical Coil spring
- Independent of direction of rotation
Applications
- Extremely Corrosive application
Operating Limits
- Shaft Diameter - d1 : 18…100mm
- Pressure - p : 6 bar (max)
- Temperature - t : -45…120°C
- Velocity - v : 20m/sec
Materials
- Seal Faces : GFT, Ceramic, SIC, Tungsten Carbide
- Metal Parts : SS304, SS316, Hast-C
- PTFE Bellow