With built-in type, single seal face and single spring, U-ring is used for rotating ring auxiliary seal, high reliable seal, fitting for high-pressure petrochemical process pump. 内装式、单端面、单弹簧、平衡型,动环辅助密封采用U形密封圈,密封可靠,适合高压石油化工流程泵。
Construction of the Large Built-in Fitting for the Deep Beam Structure of Concrete Frame 混凝土框架深梁结构大型预埋件施工
Based on the author's working experience in the construction of waste water treatment plant, the article discusses the antisepsis technique selection of steel pipe in built-in fitting work and the guarantee of construction measure. 文章根据作者在建设污水处理工程的工作实践,对埋地管道的钢管防腐工艺选择及施工措施的保证进行了探讨。
Built-in fitting played an important role for building curtain wall base. 预埋件作为建筑幕墙的基础,发挥着重要的作用。