The metal bellows mechanical seal is that one moving ring rotates with the rotating part, the other is that the stationary ring is fixed in the stationary part, and the two parts contact and seal along the axial direction. Generally, the moving ring is made of wear-resistant material. A sealing block is arranged on the stationary ring, which is always in contact with the follower ring by jacking up with spring or water pressure. Product Origin: China Shipping Port: Shanghai/Nanjing Lead Time: 6 Wks