BS ISO 9635-4-2006 农业灌溉设备.灌溉阀.空气阀

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标准号:BS ISO 9635-4-2006
中文标准名称:农业灌溉设备.灌溉阀.空气阀
英文标准名称:Agricultural irrigation equipment - Irrigation valves - Air valves
标准类型:B91;J16
发布日期:2007/2/28 12:00:00
实施日期:2007/2/28 12:00:00
中国标准分类号:B91;J16
国际标准分类号:65.060.35
适用范围: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 contain fertilizers 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 a mechanical linkage. The valves can be operated by a force applied through an adjustable pilot valve.

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