ISO 9635-2:2014规定了隔离阀的结构、性能要求和试验方法，用于在温度不超过60°C的灌溉系统中运行，其中可能含有肥料和农业中使用的其他类型和浓度的化学品。 它适用于直径大于等于DN 8的隔离灌溉阀，设计用于在全开和全关位置运行，但也可在任何中间位置长时间运行。

ISO 9635-2:2014 specifies construction and performance requirements and test methods for isolating valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture. It is applicable to isolating irrigation valves of DN 8 in diameter or greater, designed to operate in the fully open and fully closed positions, but which can also operate for extended time periods in any intermediate position.