China Butterfly Valve and Lug Butterfly Valve - China Factory, Suppliers, Manufacturers

China Butterfly Valve and Lug Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Butterfly valve knowledge discussion

In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
The difference between OS&Y gate valve and NRS gate valve

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 ...
Do you understand the six taboos of valve installation?

Valve is the most common equipment in chemical enterprises. It seems easy to install valves, but if not following the relevant technology, it will cause safety accidents. Today I would like to shar...
How to repair the damaged valve stem?

① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth or...
ECWATECH 2016 of Moscow Russia

We attended ECWATECH 2016 of Moscow Russia from April 26~28,our booth no is E9.0.
What are the selection conditions for electric butterfly valve and pneumatic butterfly valve?

Advantages and uses of electric butterfly valves Electric butterfly valve is a very common device for pipeline flow regulation, which has a wide range of uses and involves many fields, such ...