China Flange Butterfly Valve and Double Flange Butterfly Valve - Manufacturers, Suppliers, Factory from China
China Flange Butterfly Valve and Double Flange Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .
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1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
The center line butterfly valve adopts the center line sealing structure, and the butterfly plate sealing center line of the butterfly valve is consistent with the center line of the valve body and...
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