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Z45X NRS resilient seat gate valve, the use of the gate integral plastic deformation compensation to achieve a good sealing effect, overcome the general poor seal gate valve, leakage and rust phenomenon, more effectively save installation space.It can be widely used as regulator and closure device in the fluid pipeline of tap water, sewage, construction, petroleum, chemical industry, food, medicine, light textile, electric power, ship, metallurgy, energy system, etc.