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...
Unveiling Excellence: A Journey of Trust and Collaboration
Yesterday, a new client, a renowned player in the valve industry, embarked on a visit to our facility, eager to explore our range of soft...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
Shanghai, China – April 2025 – TWS VALVE, an experienced manufacture in rubber seated butterfly valve, e.g., “sustainable technology and environmental solutions”, is pleased to announ...
In the critical arena of global water management, the infrastructure that supports our cities, industries, and ecosystems depends on a single, vital element: reliable flow control. As we navigate t...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...