Temperature: -40～260℃;
Pressure: P≤10MPa;
Linear Speed: V≤150m/s;
Application Fields: CO2 compressor，Air compressor,N2 compressor and so on.
Applies to working conditions that a little quantity leakage of process gas is not harmful,the process gas from outlet can be used as sealing gas;
The little leakage of process can be vented to a high point;
The rotating ring floats axially,therefore it has good adaptability.