TWS Valve mainly produce rubber seated butterfly valve, such as wafer butterfly valve, lug butterfly valve, flange butterfly valve. Besides, gate valves, check valves and ball valves are also their...
Classification and working principle of valve limit switch
June 12th, 2023
TWS Valve from Tianjin, China
Key Words: Mechanical limit switch; Proximity limit switch
1. Mechanical limit switch
Usuall...
Butterfly valve refers to the closing part (valve disc or butterfly plate) as a disc, around the valve shaft rotation to reach the opening and closing of a valve, in the pipe mainly cut off and thr...
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...
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 solu...
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...
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