Dual seal, unbalanced, independent of direction of rotation
Design standard: IS03069, DIN24960
The push ring is stuck by the transmission coupler to prevent the spring from falling off, and the sealing ring is not tightly embedded, which is convenient to replace
The design of multiple small springs makes the force more uniform, and the spring is not in contact with the medium, so it is widely used.
Can provide the widest options of materials.