Ceramic material property



The valve has the exceeding high wear-proofcapability,corrosion resising, enduring capability, good heat insulation,small thermal expansion all aparts that contact the media are mede of structural ceramics with extremely high chemical stability and hardness(HRC90)only inferior to diamond.



Manufacture process



The ball is processed by advanced polishing equipment that can ensure high circularity, accuracy, good surface quality.The self-lubricating capability of ZrO2,ensure the good sealing performance. This makes hard seal valve totally free from the defects such as having big torque, non-corrosion-resistant and the sealing works badly.



Scope of application

The valve fits in granule medium of high hardness, or medium with erosive soft granule. It is also the only valve suitable for this type of medium. They are widely used in petroenemical industry, metallurgy, mining, power station, medicine and papermaking and so on.