Fixed the centre automatically in the common orbit when the The eccentric semiball valve use double
eccentric body, eccentric ball, seat and stem swivel, then it is getting tight when closed, the seal will
turn to good. The body gets away the seat completely, clean the damage of seal ring, then it avoids the
problems that exist the damage between traditional ball seat and body seal. the nonmetal flexible
material is embedded to metal seat ,the seat metal face is protected .The product is suitable to use in the
steel, the aluminum fiber, tiny rigid granules, pulp, sewage, slurry, coal ash and petroleum gas etc.
The semiball is made by bimetal, the body is welded by different alloy, seat also will be treated by special
way according to the requirements ,the sealing has anticorrosive, antifriction so that it fits to different
requirements.
Sealing tight, it will be zero leakage to transfer the noxious gas.