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| Stainless steel knife gate valve makes city gas more convenient |
| 发布日期：2022-04-21 22:07:00 点击数：756 次 新闻来源： |
| Stainless steel knife gate valve series city gas quick opening and closing gate valve, suitable for medium: blast furnace gas, coke oven gas, producer gas, water gas, oil gas and other dirty gas, and liquefied gas, natural gas, mine gas and other clean gas. Mainly used in coal-to-gas, metallurgy, coking and other industries for gas production and urban gas transmission and distribution network. The transmission thread of the stainless steel knife gate valve dark stem gate valve is located inside the body. During the opening and closing process, the valve stem only rotates, and the gate plate rises and falls in the valve body. Therefore, the height of the valve is small. Concealed stem gate valve is usually equipped with an opening and closing position indicator above the bonnet, which is suitable for environments with small space and high dust content such as ships and pipe trenches. Features of stainless steel knife gate valve: 1. There is a sewage box at the bottom of the valve, which is convenient for cleaning dirt and impurities, and can pass through the pipeline cleaner smoothly. 2. The valve stem is driven by a large lead thread, which can realize rapid opening and closing. 3. It adopts high-performance packing with minimal friction assist, automatic lubrication, and resistance to gas and various corrosive gases, with flexible operation and reliable sealing. 4. Excellent sealing performance, can automatically remove the dirt on the sealing surface during operation, and maintain a tight seal. 5. The fluid resistance is small. The medium channel inside the gate valve body is straight, and the medium does not change its flow direction when it flows through the gate valve, so the flow resistance is small. 6. Opening and closing is more labor-saving. When opening and closing, the movement direction of the gate is perpendicular to the flow direction of the medium. Compared with the globe valve, the opening and closing of the gate valve is more labor-saving. 7. The flow direction of the medium is generally not restricted. The medium can flow in any direction from both sides of the gate valve, and can achieve the purpose of connecting or cutting off. Easy to install, suitable for pipelines where the flow direction of the medium may change. |
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