ISO 9635-4:2006 农业灌溉设备 灌溉阀 第4部分：空气阀

标准编号：ISO 9635-4:2006

中文名称：农业灌溉设备 灌溉阀 第4部分：空气阀

英文名称：Agricultural irrigation equipment — Irrigation valves — Part 4: Air 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 air valves,intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can containfertilizers and other chemicals of the types and concentrations used in agriculture.It is applicable to hydraulically operated air irrigation valves of DN 15 (1/2 inch) diameter or greater,designed to be directly operated, i.e. the force is applied to the obturator by the float, either directly or via amechanical linkage. The valves can be operated by a force applied through an adjustable pilot valve.

标准预览图