Ultra-high vacuum inserted valve suitable for high vacuum andultra-high vacuum system, used to cut off and on air, is one of theimportant components in vacuum system. It is widely used in variousfields, like electronics, metallurgy, coating, scientific research,and other vacuum technology fields. The vacuum valve board use thearm roller bearing moving, which is stable and reliable. The valveplate force support is even, high strength, can realize in anydirection installation. Seal uses stainless steel bellows seal,sealed performance is reliable. The body is stainless steelwelding, features small volume, light weight. It is applicable tomedium like clean air and non-corrosive gas.