Operating conditions: Temperature: -20°C to +120°C; Pressure: ≤1.0MPa; Speed: ≤15m/s. 固定座:T11. Materials: Rotating ring: Carbon/SiC/TC; Stationary ring: 99% Ceramic/SiC/TC; O-ring: VITON, NBR, EPDM; Springs and metal parts: SUS304/SUS316.