Sealing elements for rotary shaft seals, O-rings, ring sets, known by different names such as bellows seal.In most cases, the preventive element of any substance oozing from moving or stationary machinery.Oil seal (rotating shaft seal), rotational motion, or in some special cases, linear (low tides), the movement, the fluid in two separate environments to avoid interfering with each other, the oil in other words oil that environment is a machine element used it in order to ensure that it remains in the environment.
