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Introduction to the Classification of Gate Valves and Analysis of Their Advantages
2019-02-19
A gate valve uses a wedge-shaped gate as its closing member, with the gate’s vertical movement—driven by the stem’s up-and-down motion—enabling the valve to open or shut. The gate moves perpendicular to the fluid flow direction. Importantly, gate valves are designed strictly for full-open or fully-closed positions and cannot be used for throttling or flow regulation. They are suitable for a wide range of media, including water, steam, oils, nitric acid, acetic acid, oxidizing agents, urea, and more. This imported gate valve market is categorized by material into options such as imported cast steel gate valves, imported cast iron gate valves, and imported stainless steel gate valves. By flange standards, it includes imported American-standard gate valves and imported Japanese-standard gate valves. Additionally, based on connection types, it’s divided into imported internal-threaded forged steel gate valves and imported high-temperature, high-pressure power plant gate valves (welded).
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