China API609 Butterfly Valve and Ss Butterfly Valve - Manufacturers, Suppliers, Factory from China

China API609 Butterfly Valve and Ss Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Sand casting of valves

Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
‌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...
Good quality gate valve from TWS Valve

With over 20 years of experience in manufacturing and exporting valves, TWS Valve has become a leading manufacturer in the industry. Among its flagship products, gate valves stand out and demonstra...
What defects are prone to valve castings?

1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Reasons for using electric valves and issues to consider

In pipeline engineering, the correct selection of electric valves is one of the guarantee conditions to meet the use requirements. If the electric valve used is not selected properly, it will not o...
TWS’s Structural Characteristics of Flange Butterfly Valve

Body Structure: The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficient strength and rigidity to withstand the pressur...