103 diameter valve can be widely used in water, sewage, construction, petroleum, chemical, food, pharmaceutical, textile, electric power, shipbuilding, metallurgy, energy systems and other fluid lines used as regulation and shut-off devices. [103 diameter rising stem valve product features resilient seated gate valve, petty valve overall compensation package of plastic deformation to achieve a good sealing effect, to overcome the general bad valve seals, leaking and rusting phenomenon more effectively save installation space