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Products > automatic change > Weidouli Valves Co.,Ltd | Similar Products
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automatic change

" in Other Manufacturing & Processing Machinery found 2 Products from Weidouli Valves Co.,Ltd, China
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(1-2 out of 2)

Control Plug Valves

Control Plug Valves
changed from the special material to the stainless steel, which saves the special material and reduces the cost. Spring loaded to compensate seal automatically The belleville spring is used to load ...

Control Butterfly Valves

Control Butterfly Valves
automatically The belleville spring is used to load the connecting bolt of gland flange to prevent an abnormal change of pressure and temperature in the pipeline. The belleville spring can ...
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