Conical Spring Seals is single conical spring, unbalanced seal with O-ring provided for secondary sealing. Since the Torque transmission is done by the single coil springs the seals are dependent on the directions of rotation, which is seen from the drive end of the shaft. Conical spring Unbalanced seals has taper Spring of various type and dimension to suit lot of media.Right handed spring and left handed springs are provided for clockwise and anticlockwise rotating shafts respectively.