News
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What should I do if I encounter non-fusion and non-penetration defects after valve welding?
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 refers to the phenomenon that the root of the welded joint is not completely penetrated. Both non-fu...Read more -
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 of metals is mainly caused by chemical corrosion and electrochemical corrosion, and the corrosion of ...Read more -
TWS VALVE- Composite High Speed Air Release Valve
Tianjin Tanggu Water Seal Valve follows the business philosophy of “all for users, all from innovation”, and its products are constantly innovated and upgraded, with ingenuity, exquisite craftsmanship and excellent production. Let’s learn about the product with us. Functions and...Read more -
TWS VALVE 2024 Corporate Annual Meeting Ceremony
At this beautiful moment of saying goodbye to the old and welcoming the new, we stand hand in hand, standing at the intersection of time, looking back on the ups and downs of the past year, and looking forward to the infinite possibilities of the coming year. Tonight, let us open the gorgeous cha...Read more -
Valve performance testing
Valves are indispensable equipment in industrial production, and their performance directly affects the stability and efficiency of the production process. Regular valve testing can find and solve the problems of the valve in time, ensure the normal operation of the valv...Read more -
The main classification of pneumatic butterfly valves
1. Stainless steel pneumatic butterfly valve classified by material: made of stainless steel, with excellent corrosion resistance and high temperature resistance, suitable for a variety of corrosive media and high temperature environments. Carbon steel pneumatic butterfl...Read more -
Why choose TWS valves: the ultimate solution for your fluid control needs
**Why choose TWS valves: the ultimate solution for your fluid control needs** For fluid control systems, choosing the right components is critical to ensure efficiency, reliability and longevity. TWS Valve offers a comprehensive range of high-quality valves and strainers, including wafer-type but...Read more -
Rubber Seated Butterfly Valve with EPDM Sealing: A Comprehensive Overview
**Rubber-seated butterfly valves with EPDM seals: a comprehensive overview** Butterfly valves are essential components in various industrial applications, providing effective flow control in pipelines. Among the different types of butterfly valves, rubber seated butterfly valves stand out due to ...Read more -
TWS Valve wishes you a Merry Christmas
As the holiday season approaches, TWS Valve would like to take this opportunity to extend our warmest wishes to all our customers, partners and employees. Merry Christmas to everyone at TWS Valve! This time of year is not only a time for joy and reunion, but also an opportunity for us to reflect ...Read more -
Gate valve encyclopedia and common troubleshooting
Gate valve is a more common general valve, widely used, mainly used in water conservancy, metallurgy and other industries, its wide range of performance has been recognized by the market, TWS in the quality and technical supervision and testing work for many years, in addition to the detection of...Read more -
What does the CV value mean? How to select a control valve by Cv value?
In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through the valve per unit time and under the test conditions when the pipe is kept at a constant pressure. That is, the flow capacity of the valve. ...Read more -
TWS Valve will attend the Aquatech Amsterdam from March 11th to 14th,2025
Tianjin Tanggu Water-seal Valve will be participating in the Aquatech Amsterdam from March 11th to 14th,2025. Aquatech Amsterdam is the world’s leading trade exhibition for process, drinking and wastewater. You are welcome to come and visit. TWS main products include butterfly valve, Gate ...Read more
