This kind of Mechanical seal be with long service life and only one moving part.

Applications:
Shaft Size =20 ～ 100mm,
Pressure: 1.0 Mpa
Temperature: -20 ～ 180 ℃
Speeds: 25m/s

Materials:
Rotary Ring: Carbon/SiC/TC
Stationary Ring: Ceramic/SiC/TC
Secondary Seals: NBR/FPM/EPDM/Neoprene
Spring & Other Parts: SS304/SS316/SS316Ti