Operating conditions: Temperature: -20°C to +180°C; Pressure: ≤ 2.5 MPa; Speed: ≤ 15 m/s. 固定座:24DINL. Materials: Rotating ring: Carbon/SiC/TC; Stationary ring: 99% Ceramic/SiC/TC; O-ring: VITON, NBR, EPDM; Springs and metal parts: SUS304/SUS316.