Keystone 221 Butterfly Valve - China Factory, Suppliers, Manufacturers

Keystone 221 Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

History of the Development of China's Valve Industry (2)

The initial stage of the valve industry (1949-1959) 01Organize to serve the recovery of the national economy The period from 1949 to 1952 was the period of my country’s national economic reco...
TWS Spring Festival Holiday(February 12 to February 22)

TWS Valve Factory Will Close several days from February 12 to February 22 to celebrate our Spring Festival,We will back then and during the holidays,There maybe some delay for reply your emails,Hop...
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...
How to solve valve leakage?

1. Diagnose the cause of the leak First of all, it is necessary to accurately diagnose the cause of the leak. Leaks can be caused by a variety of factors, such as frayed sealing surfaces, de...
Introducing the excellent quality of TWS Valve lug butterfly valve

Quality is crucial when selecting the right valve for an industrial or commercial application. With over 20 years of experience in valve production and exporting, TWS Valve is proud to offer a rang...
Basic knowledge and precautions of valve corrosion

Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to consider. Valve corrosion form The corrosion o...