With continuous innovation, knowledge and reason in the field of industrial automation control system and involves many engineering, complete sets of products, instrument pipe fittings of them adopt pipe connector of cutting sleeve type. Its advantage is not only reliable sealing, but also disassembling quick and convenient. To this, this article will focus on the sealing principle, production quality, material selection, installation and other issues were discussed and analyzed.%伴随着知识与理念的不断革新,在工业自动化控制系统领域里涉及很多的工程、成套产品,它们中的仪器仪表管接件均采用卡套式管接头。其优点是不仅密封可靠,而且拆装快捷、方便。对此,本文将着重对密封原理、生产品质、材料选择、安装过程等问题进行探讨和分析。
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