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Products > petroleum pipeline > Weidouli Valves Co.,Ltd | Similar Products
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petroleum pipeline

" found 2 Products from Weidouli Valves Co.,Ltd, China
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(1-2 out of 2)

Control Plug Valves

Control Plug Valves
pipeline rises abnormally all of a sudden. Third layer：Wedge type packing or flexible graphite packing seal. Wedge type packing seal can effectively prevent packing pressure point displacement and ...

Control Butterfly Valves

Control Butterfly Valves
bolt of gland flange to prevent an abnormal change of pressure and temperature in the pipeline. The belleville spring can automatically compensate for and protective sealing. Related Rotary Motion ...
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