Ductile Iron Non Return Check Valve - China Manufacturers, Suppliers, Factory

Ductile Iron Non Return Check Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Machinery fans opened the museum, more than 100 large machine tool collections are open for free

Tianjin North Net News: In the Dongli Aviation Business District, the city’s first individual-funded machine tool museum has officially opened a few days ago. In the 1,000-square-meter museum...
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...
What is the difference between clip butterfly valve and flange butterfly valve?

Wafer butterfly valve and Double Flange butterfly valve are two common types of butterfly valves. Both types of valves are rubber seated butterfly valves. The application range of the two kinds of ...
Cause analysis of common valve faults

(1) The valve does not operate. The fault phenomenon and its causes are as follows: 1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...