ISO 7186:2011 污水管道用球墨铸铁产品

标准编号：ISO 7186:2011

中文名称：污水管道用球墨铸铁产品

英文名称：Ductile iron products for sewerage applications

发布日期：2011-07

标准范围

ISO 7186:2011规定了适用于建筑外排水沟和下水道施工用球墨铸铁管、配件、附件及其接头的要求和试验方法:-通过单独系统或组合系统输送地表水（如雨水）、生活污水和/或某些类型的工业废水；-无压运行（重力下水道）或正压或负压运行；-用于安装在地下或地上。ISO 7186:2011包含管道、配件和附件的材料、尺寸和公差、机械性能和标准涂层规范。它还提供了包括接头在内的所有部件的性能要求。ISO 7186:2011适用于通过任何类型的铸造工艺铸造或通过铸造组件制造制造的管道、配件和附件，以及尺寸范围为DN 80至DN 2600（含）的相应接头。适用于采用承插端、法兰端或插口端（接头设计和垫圈形状不在ISO 7186:2011范围内）制造的管道、配件和附件，通常在内部和外部进行涂覆。

ISO 7186:2011 specifies the requirements and test methods applicable to ductile iron pipes, fittings, accessories and their joints for the construction of drains and sewers outside buildings:- to convey surface water (e.g. rainwater), domestic waste water and/or certain types of industrial effluents, either in separate systems or in combined systems;- operating without pressure (gravity sewers) or with positive or negative pressure;- for installation below or above ground.ISO 7186:2011 contains specifications for materials, dimensions and tolerances, mechanical properties and standard coatings of pipes, fittings and accessories. It also gives performance requirements for all components including joints.ISO 7186:2011 is applicable to pipes, fittings and accessories cast by any type of foundry process or manufactured by fabrication of cast components, as well as corresponding joints, in the size range DN 80 to DN 2600 inclusive.It is applicable to pipes, fittings and accessories which are manufactured with socketed, flanged or spigot ends (joint design and gasket shape are outside the scope of ISO 7186:2011) and normally delivered internally and externally coated.

标准预览图