ISO 9635-1:2014规定了阀门的结构和性能要求以及试验方法，这些阀门拟在温度不超过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。 它适用于直径为8mm或更大的灌溉阀，设计为在完全打开和完全关闭的位置运行，但也可以在任何中间位置长时间运行。

ISO 9635-1:2014 specifies construction and performance requirements and test methods for 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 irrigation valves of 8 mm 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.