Mechanical Seals

HSS-20/21

Product Code: HSS-20/21

Product Overview

HSS-20/21 is a high-performance mechanical seal engineered for reliable sealing in demanding industrial pumps and rotating equipment. It is suitable for crystallizing slurry; suspended solids slurry; saturated chemical slurry and offers long service life with reduced maintenance. Seal characteristics: Single acting, unbalanced, inside mounted, independent of direction of rotation. The seal is manufactured using premium face materials and corrosion-resistant metal components to deliver dependable performance under challenging operating conditions.

Applications

Crystallizing Slurry Suspended Solids Slurry Saturated Chemical Slurry

Face Materials

  • Carbon
  • Ceramic
  • Silicon Carbide
  • Tungsten Carbide
  • Lecrolly

Metal Parts

  • SS316

Secondary Seal

  • HSS-20: Elastomers
  • HSS-21: PTFE/GFT

Operating Limits

Designed to deliver reliable sealing performance across demanding industrial applications.

Operating Shaft Diameter

0.875–3.5 in

Maximum Pressure

14 Bar

Temperature

-23 to 200°C

Velocity

20 m/s

Parameter Value
Operating Shaft Diameter 0.875–3.5 in
Maximum Pressure 14 Bar
Temperature -23 to 200°C
Velocity 20 m/s