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钢制闸门由橡胶水封,锁紧梁和闸门框滑块组成

网址:www.qibiji58.com   2020-11-21  作者:admin    阅读:

钢制闸门由橡胶水封,锁紧梁和闸门框滑块组成,除密封水外,门的左右两端均设有锁定梁。当需要维护时,门被支撑在插槽中。滑块由油性尼龙制成,具有良好的耐腐蚀性和摩擦系数,仅为钢的三分之一。
The steel gate is composed of rubber water seal, locking beam and sliding block of gate frame. In addition to sealing water, locking beams are set at both left and right ends of the gate. When maintenance is required, the door is supported in the slot. The slide block is made of oil-based nylon, which has good corrosion resistance and friction coefficient, which is only one third of that of steel.
钢制闸门内件主要是指阀门关闭件的密封面和阀杆、衬套(上密封座),内件材料的选用原则是根据主体材料的情况、介质特性、结构特点以及零件所起的作用、受力情况综合考虑的。对于常规的通用阀门,已规定了内件材料或规定了几种材料由设计者根据具体情况选用,对于一些有特殊要求的阀门,如高温、高压、介质有腐蚀等工况条件,则需按钢制闸门工况条件选择内件材料。
Steel gate internals mainly refer to the sealing surface, valve stem and bushing (upper seal seat) of valve closure parts. The selection principle of internal parts material is based on the main material, medium characteristics, structural characteristics and the role and stress of parts. For conventional general-purpose valves, the internal parts materials have been specified or several materials have been specified to be selected by the designer according to the specific conditions. For some valves with special requirements, such as high temperature, high pressure, medium corrosion and other working conditions, the internal material shall be selected according to the working conditions of steel gate.
关闭件即闸板(阀瓣)、阀座,关闭件的密封面是阀门的主要工作面之一。材料选择是否合理以及它的质量状况直接影响阀门的功能和使用寿命。
The sealing surface of the closing part is one of the main working faces of the valve. Whether the material selection is reasonable and its quality directly affects the function and service life of the valve.

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