HM42

详细说明

Design Features：

n  Conform to API 682 Standard;

n  Metal bellows, balanced, static structure;

n  Mainly used as the inner seal and outer seal of unpressurized or pressurized FB combination (commonly known as tandem arrangement);

n  Precision lapping of the sealing ring has a high degree of smoothness and excellent flatness;

n  Single seal and dual seal arrangement can be adopted, but dual seal arrangement is adopted for higher safety (recommended);

n  Three curvature and 45 ° angle of special designs, can make the stress of the bellows better, longer life;

n  Flexible graphite (or expanded graphite) is used as auxiliary sealing ring;

n  Simple and reliable structure, easy to install and disassemble.

Performance Capability:

n  Shaft diameter: 20-150mm;

n  Temperature: -75℃-425℃;

n  Pressure: vacuum ~ 2.0mpa (single layer), vacuum ~ 6.9mpa (double layer);

n  Speed: 0-50 m/s;

n  Media: high temperature oil, high temperature hydrocarbon, aqueous solution, corrosive chemical products and some acids, etc.

Application:

Chemical process, oil refining, petrochemical, paint and ink, pulp and paper industries.