标准编号：ISO 9635-5:2006
中文名称：农业灌溉设备 灌溉阀 第5部分：控制阀
英文名称：Agricultural irrigation equipment — Irrigation valves — Part 5: Control valves
发布日期：2006-11
标准范围
This part of ISO 9635 specifies construction and performance requirements and test methods for controlvalves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which cancontain fertilizers and other chemicals of the types and concentrations used in agriculture.It is applicable to hydraulically-operated control irrigation valves of DN 15 (1/2 inch) diameter or greater,designed to operate in any position, from fully open to fully closed. The valves can either be directly operated(i.e. the force applied via a spring or diaphragm to the obturator), or pilot-operated (i.e. the force is appliedthrough an adjustable pilot valve via a diaphragm).
立即下载标准文件