China Worm - China Manufacturers, Suppliers, Factory

China Worm, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Butterfly valves: Difference between Wafer and Lug

Wafer type + Lighter + Cheaper + Easy installation - Pipe flanges required - More difficult to centre - Not suitable as end valve In the case of a Wafer-style butterfly valve, the body is annular ...
What is valve cavitation? How to eliminate it?

What is valve cavitation? How to eliminate it? Tianjin Tanggu Water-Seal Valve Co., Ltd Tianjin，CHINA 19th，June，2023 Just as sound can have a negative effect on the human body, certain frequenci...
‌Heat Treatment Process for WCB Castings‌

WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mechanical properties, dimensional stability, and res...
What is a butterfly valve?

The butterfly valve was invented in the United States in the 1930s. It was introduced to Japan in the 1950s and was not widely used in Japan until the 1960s. It was not popularized in my country un...
A factory in the United States purchased TWS soft seal butterfly valve

A factory in the United States purchased TWS Valve Factory Double flange concentric butterfly valve Case brief Project Name: A factory in the United States purchased double flange but...
Emerson introduces SIL 3-certified valve assemblies

Emerson has introduced the first valve assemblies that meet the design process requirements of Safety Integrity Level (SIL) 3 per the International Electrotechnical Commission’s IEC 61508 standard....