Turn on or off underground pipelines.
Dark rod wedge gate valve is widely used in petroleum,chemical,pharmaceutical,power and ot
Picea wedge gate valve is installed on the working pressure is 0.6/1.0 or less Mpa,working
City gas quick open and close dark rod gate valve is used in coal gas,metallurgy,coking an
Turn on or turan off the pipelines where the nominal pressure is ≤1.0Mpa and the medium
Turn on or turan off the pipelines where the nominal pressure is≤1.0Mpa and the medium
Water seal gate valve is applicable to various pipes which only open and closed completely
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