News
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Classification of Air Valves
Air valves GPQW4X-10Q are applied to the pipeline exhaust in independent heating systems, centralized heating systems, heating boilers, central air conditioners, floor heating systems, solar heating systems, etc. Since water usually dissolves a certain amount of air, and the solubility of air dec...Read more -
How to Select the Valve Electric Actuator of the Electrically Adjustable Wafer Butterfly Valve D67A1X-10ZB1
The butterfly valve with electric actuator D67A1X-10ZB1 is an important driving force for the electrically adjustable resilient seated wafer butterfly valve, and its model selection determines the actual on-site operation of the product. At the same time, there are some specific selection criteri...Read more -
Features of D371X Manual Operated Soft Seal Butterfly Valve
Tianjin Tanggu Water-seal Valve was established in 1997, which is a professional manufacture that integrates design and development, production, installation, sales and service. The main products include TWS YD7A1X-16 Wafer Butterfly Valve, Gate valve, Check valve,GL41H Flanged type Y strainer, ...Read more -
Selection of surfacing materials for valve sealing surfaces
The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve) is generally manufactured by (TWS valve )surfacing welding. The materials used for valve surfacing are divided into 4 major categories according to the alloy type, namely cobalt-based alloys, nickel-based al...Read more -
Leading Intelligence, Shaping Water Future—TWS VALVE
Leading Intelligence, Shaping Water Future—TWS VALVE Shines at 2023~2024 International Valve & Water Technology Expo From 15th to 18th, Nov., 2023, Tianjin Tanggu Water-seal valve Co.,ltd made a remarkable appearance at the WETEX in DUBAI. From 18th to 20th Sep, 2024, TWS valve participated i...Read more -
Collaborative Achievement in Water Supply System—TWS Valve Factory
Collaborative Achievement in Water Supply System—TWS Valve Factory Completes Soft-Sealed Butterfly Valve Project with a Leading Water Supply Company | Background & Project Overview Recently, TWS Valve Manufacturing Factory successfully collaborated with a leading water supply company on a ma...Read more -
Welcome to TWS Valve Booth 03.220 F on Aquatech Amsterdam 2025
Tianjin Tanggu Water Seal Valve Co., Ltd. (TWS Valve) is pleased to announce that we will be attending Aquatech Amsterdam 2025! From March 11th to 14th, we will be showcasing innovative water solutions and connecting with industry leaders. More information of resilient seated butterfly valve, g...Read more -
Lantern Festival Day-TWS Valve
The Lantern Festival, also known as the Shangyuan Festival, the Little New Year’s Month, the New Year’s Day or the Lantern Festival, is held on the fifteenth day of the first lunar month every year. The Lantern Festival is a traditional Chinese festival, and the formation of Lantern F...Read more -
TWS Valves-Tips for turning the heating valve on and off
Tips for turning the heating valve on and off For many families in the north, heating is not a new word, but an indispensable necessity for winter life. At present, there are many different functions and different types of heating on the market, and they have a variety of design styles, compared ...Read more -
TWS valves – the connection between valves and pipes
The connection between the valve and the pipe The way in which the valve is connected to the pipe (1) Flange connection: Flange connection is one of the most common pipe connection methods. Gaskets or packings are usually placed between the flanges and bolted together to form a reliable seal. Suc...Read more -
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
