Operating conditions: Temperature: -20°C to +180°C; Pressure: ≤1.2MPa; Speed: ≤10m/s. Sealing size: 42MM, 16MM. Material: rotating ring: Carbon/SiC/TC; stationary ring: Carbon/SiC/TC; O-ring: VITON, NBR, EPDM; spring and metal parts: SUS304.