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BS30/BS31 Single Coil Spring Unbalance Seals

Seal Type BS30/BS31

BS30/BS31 Single Coil Spring Unbalance Seals used for general Purpose and Universal application. BS30/BS31 unbalanced seals are suitable for Dirty and Clogging Type application. Torque transmission from drive collar to spring holder and seal rings is done through sturdy drive lugs. Excellent torque transmission due to clutch drive between seal head and drive collar.

Features :
  • Unbalanced Single Spring Pusher Seal.
  • Single Acting.
  • Inside mounted
  • Independent of Direction of rotation.
  • Variant with Secondary Seal O-ring (BS32) or PTFE (BS33)
Operating Limits :
  • Shaft Dia. : 25mm to 100mm
  • Pressure : UP to 10BAR for unbalanced
  • Pressure : UP to 35BAR for Balanced
  • Temperature : -20°C to +220°C
Material :
  • Seal Face : Carbon/SIC/TC
  • Seat Face : SIC/TC
  • Secondary Seal : Viton, PTFE, GFT, NBR AND FFKM
  • MOC : SS 316, other Material on request.
Application :
  • Petrochemical Industry.
  • Chemical industry.
  • Refinery Technology
  • Pharmaceutical Industry.
  • Horizontal and Vertical Pumps
  • Water and Wastewater technology.
  • Hot Water Application.
  • Process Industries.
  • Food and Beverage Industries.
Product Range