BM20B/BM21B Multi Spring Balanced

Seal Type BM20B/BM21B

Multi Spring Balance Seals is pusher type unbalanced seals used for general Purpose and Universal High-Pressure application. Their compact design permits their use in all types of Rotating equipment, Centrifugal Pumps, Mixers, Agitators, and Compressors. Multi Spring balanced seals can be easily assembled or disassembled through circlip provided and Lower Inventory maintained since all parts are interchangeable with Multi Spring Unbalanced seals except Seal Ring.

Features :
  • Balanced Pusher Seal.
  • Single Acting.
  • Inside mounted
  • Independent of Direction of rotation.
  • Variant with Secondary Seal O-ring (BM20B) or PTFE Wedge (BM21B)
  • Available as Single, Dual, and tandem arrangement.
Operating Limits :
  • Shaft Dia. : 15mm to 100mm
  • Pressure : UP to 10BAR
  • Temperature : -20°C to +260°C
Material :
  • Seal Face : Carbon/SIC/TC
  • Seat Face : SIC/TC/Ceramic
  • 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, Reactors, Mixers
  • Water and Wastewater technology.
  • Hot Water Application.
  • Process Industries.