Running data

Shaft diameterφ40-φ120mm

Medium: liquid with coal, ash, sand and other solid particles

Construction freature

Single end face

Multiple springs

Spring protection

Balance type

Static type

To protect spring effectively by outside construction, which separate it from medium.  offset ring and spring can not rotate but can bear larger load suction and evacuation.

Easy to install without dismantling seal casing.

pump seal for the slurry pumps