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Single Spring Unbalanced Seal

Rubber Bellow Unbalanced Seal

Single Spring Unbalanced Seal

STS-21 Seal is more suitable for application where crystallizing solution are handled. It is simple in construction and easy to install. Due to its unique positive drive lug it's direction rotates independently. These seals are simple, reliable & rugged enough for the clogging type application.

  • Materials
  • Operating Limit
  • Salient Features

  • Hardware : SS 316/S304/Al loy 20 / Hostel loy c
    Seal Ring : Carbon / SIC / TC
    Mating Ring : Ceramic / SIC / TC
    Secondary seal : PTFE / lTV / FKM / NBR / EPR

  • Pressure : Upto 16 kg/cm2
    Temperature : 20°C to 280°c
    (Depending on elastometer)
    Speed : 4500 RPM

  • • High performance
    • Low maintenance cost
    • Easy to install