1 1 2 Butterfly Valve - China Manufacturers, Suppliers, Factory

1 1 2 Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Detailed explanation of the correct way to operate the valve

Preparation before operation Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clear about the flow direction of the gas, you should ...
Which type of butterfly valve to be specified (Wafer,Lug or Double-flanged)?

Butterfly valves have been used extensively for several years in many projects all over the world and proved its capability in performing its function because they are less expensive and easy to in...
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What are the advantages and disadvantages of butterfly valve and the key points of installation and maintenance?

Butterfly valve refers to the closing part (valve disc or butterfly plate) as a disc, around the valve shaft rotation to reach the opening and closing of a valve, in the pipe mainly cut off and thr...
What should be do during valve installation - part two

Today we continue to talk about valve installation precautions: Taboo 7 When pipe welding, the wrong mouth after the pipe is not on a center line, no gap in the pair, the thick wall pipe does not s...
Valve diameter Φ, diameter DN, inch" Can you distinguish these specification units?

There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...