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  • TWS livestream- Flanged Static Balancing Valve & Slight Resistance Non-return backflow preventer

    TWS livestream- Flanged Static Balancing Valve & Slight Resistance Non-return backflow preventer

    Tianjin Tanggu Water-seal Valve Co., Ltd is a leading manufacturer of high-quality valves and fittings. Our products are used in a diverse range of industries, including water treatment, power generation, oil and gas, and more. We take pride in our extensive product line and our commitment to pro...
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  • TWS Group Livestream

    TWS Group Livestream

    As we all know, live streaming has become very popular recently. This is a trend no business should ignore – certainly not TWS Group.  TWS Group, also known as Tianjin Tanggu Water Seal Valve Co., Ltd., has joined the live streaming bandwagon with its latest innovation: TWS Group Live. In t...
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  • TWS Group participated in 2023 Valve World Asia

    TWS Group participated in 2023 Valve World Asia

    (TWS) Tianjin Tanggu Water Seal Valve Co., Ltd. is pleased to announce its participation in the  World Valve Exhibition in Suzhou. The exhibition is one of the most popular events in the valve industry as it brings together the world’s leading manufacturers, suppliers, distributors and end ...
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  • Valve World Asia Expo & Conference 2023

    Valve World Asia Expo & Conference 2023

    Tianjin Tanggu Water-seal valve participated in the Suzhou Valve World Exhibition on April 26-27, 2023.   It may be due to the impact of the epidemic in the past two years that the number of exhibitors is smaller than in previous years, but to a certain extent, we have gained a lot from thi...
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  • Casting Technology of Large Butterfly Valve

    Casting Technology of Large Butterfly Valve

    1. Structural analysis (1) This butterfly valve has a circular cake-shaped structure, the inner cavity is connected and supported by 8 reinforcing ribs, the top Φ620 hole communicates with the inner cavity, and the rest of the valve is closed, the sand core is difficult to fix and easy to deform....
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  • 16 Principles In Valve Pressure Testing

    16 Principles In Valve Pressure Testing

    Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets the requirements of production regulations. In TWS, the soft seated butterfly valve, it must be carri...
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  • Where check valves are applicable

    Where check valves are applicable

    The purpose of using a check valve is to prevent the reverse flow of the medium, and a check valve is generally installed at the outlet of the pump. In addition, a check valve is installed at the outlet of the compressor. In short, in order to prevent the reverse flow of the medium, check valves ...
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  • How to choose concentric flanged butterfly valve?

    How to choose concentric flanged butterfly valve?

    How to choose flanged concentric butterfly valve? Flanged butterfly valves are mainly used in industrial production pipelines. Its main function is to cut off the flow of medium in the pipeline, or to adjust the flow of medium in the pipeline. Flanged butterfly valves are widely used in productio...
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  • A factory in the United States purchased TWS soft seal butterfly valve

    A factory in the United States purchased TWS soft seal butterfly valve

    A factory in the United States purchased TWS Valve Factory Double flange concentric butterfly valve   Case brief   Project Name: A factory in the United States purchased double flange butterfly valve from Tianjin Tanggu Water-seal Valve Co., Ltd   Customer name: A factory in the Un...
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  • Why do gate valves require upper sealing devices?

    Why do gate valves require upper sealing devices?

    When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device. When the gate valve, globe valve and throttle valve are in the closed state, because the medium flow direction of the globe valve and the throttle valve flo...
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  • The difference between globe valve and gate valve, how to choose?

    The difference between globe valve and gate valve, how to choose?

    Let’s introduce what is the difference between a globe valve and a gate valve. 01   Structure   When the installation space is limited, pay attention to the selection:   The gate valve can rely on the medium pressure to tightly close the sealing surface, so as to achieve the ...
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  • Gate valve encyclopedia and common troubleshooting

    Gate valve encyclopedia and common troubleshooting

    Gate valve is a relatively common general-purpose valve with a wide range of uses. It is mainly used in water conservancy, metallurgy and other industries. Its wide range of performance has been recognized by the market. In addition to the study of the gate valve, it also made a more serious and ...
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