These B-21ST series of seals are used for plain shafts, these seals are compact, single coil unbalanced seals having elastomer bellows and are Independent of direction of rotation.

Design of bellow is pressure supported & eliminates creases or folds; Metal Lugs of these seals creates positive mechanical drive which protects elastomer bellows from overstressing.

Paint & ink, pulp & paper industries, Oil Pumps, Chilling Pump, Dewatering Pump, Sewage Pump, etc.