Could be equivalent to SHARPE mechanical seals,Equivalent to the seals used on: following type of SHARPE Mixers
60SV35M-5.45
50SV30M-6.45
40SV30M-6.45
30SV25M-5.34

Specifications:
Total solid%: <35%
Temperature :< 75oC
Pressure: <1.6MPa
Line speed: <10m/s
Material: Stainless steel
Rotating ring: SiC
Suit to: media for much particulates of gypsum, limestone slurry, etc..
 
Figure & Descriptions:
Single face, balanced, Single Cartridge Mechanical Seals, with bearing
Easy to install and maintain
Multi-spring construction, will not touch media directly
No externally washing water
SiC seal ring with high intension and high temperature resistance