Hester mechanical seal

The HZHST series of mechanical seals produced by Bian Ambu are mainly used in Swiss Hister HIDROSTAL pumps, especially submersible pumps are widely used in the sewage industry.

 

One pump has 2 sets of mechanical seals, respectively impeller end and motor end, rubber bellows structure and balanced multi-spring structure.

 

Standard size: 15.88mm-100mm / 7/8 "-3".

 

 

 

Material:

 

Stator and stator ring: silicon carbide, tungsten carbide.

 

Auxiliary seal: NBR, Viton.

 

Spring and structural parts: 304,316