发布时间:2023-07-18 13:47:30
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本标准规定了用于农业灌溉系统中输水铝管的性能要求和试验方法,使用温度不超过50℃。 本标准适用于手动牵引管,固定或临时安装的管道。 本标准不适用于整体联接式管道,适用于这种管道的标准是本标准今后的研究内容
Agricultural irrigation equipment.Aluminium irrigation tubes
本标准规定了以聚氯乙烯树脂为主要原料,经挤出成型的低压输水灌溉用硬聚氯乙烯管材(以下简称管材)的产品分类、技术要求、试验方法及检验规则、标志、包装、运输、贮存。 本标准适用于公称压力为0.4MPa及以下的低压输水灌溉用管材
Unplasticized poly(vinyl chloride) (PVC-U) pipes for low-pressure conveyance in irrigation
本标准规定了用于灌溉中通过阀门供给和分配低压灌溉水的未增塑聚氯乙烯(PVC)管的技术要求。 本标准适用于管径范围为50mm~315mm低压室外用PVC管
Agricultural irrigation equipment.PVC above-ground low-pressure pipe for surface irrigation.Specifications and test methods
本标准规定了以聚氯乙烯树脂为主要原料,经挤出成型的低压输水灌溉用硬聚氯乙烯管材(以下简称管材)的产品分类、技术要求、试验方法及检验规则、标志、包装、运输、储存。 本标准适用于公称压力0.32MPa以下的低压输水灌溉用管材
Thin wall unplasticized polyvinyl chloride(PVC-U) pipes for low-pressure conveyance in irrigation
Contains minimum requirements and test methods for aluminium tubes intended for use in agricultural irrigation systems at temperatures not exceeding
Agricultural irrigation equipment - Aluminium irrigation tubes
1 Scope This document specifies the requirements and certification procedures for water meters , irrespective of the design technologies used
Agricultural irrigation equipment. Meters for irrigation water
本标准规定了水动灌溉阀(以下简称水动阀)的结构、技术要求和试验方法。该水动阀用于水温不超过50℃,水中可含有农业常用类型和浓度的肥料和化学物的灌溉系统。 本标准适用于公称尺寸大于等于15mm的水动阀。该水动阀的设计工作状态为全开和全闭,但也可以在任意中间状态工作
Agricultural irrigation equipment.Hydraulically operated irrigation valves
Agricultural Irrigation Water Quotas
Agricultural Irrigation Water Quotas
Irrigation equipmpent. Polyethylene tubes for micro-irrigation equipment. Specifications.
This part of ISO 9635 specifies construction and performance requirements and test methods for control valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Control valves
This part of ISO 9635 specifies construction and performance requirements and test methods for air valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Air valves
This part of ISO 9635 specifies construction and performance requirements and test methods for check valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Check valves
This part of ISO 9635 specifies construction and performance requirements and test methods for isolating valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Isolating valves
Agricultural irrigation equipment. Irrigation valves. Isolating valves
本标准规定了用于农业灌溉系统中输水铝管的性能要求和试验方法,使用温度不超过50℃。 本标准适用于手动牵引管,固定或临时安装的管道。 本标准不适用于整体联接式管道,适用于这种管道的标准是本标准今后的研究内容
Agricultural irrigation equipment.Aluminium irrigation tubes
本标准规定了以聚氯乙烯树脂为主要原料,经挤出成型的低压输水灌溉用硬聚氯乙烯管材(以下简称管材)的产品分类、技术要求、试验方法及检验规则、标志、包装、运输、贮存。 本标准适用于公称压力为0.4MPa及以下的低压输水灌溉用管材
Unplasticized poly(vinyl chloride) (PVC-U) pipes for low-pressure conveyance in irrigation
本标准规定了用于灌溉中通过阀门供给和分配低压灌溉水的未增塑聚氯乙烯(PVC)管的技术要求。 本标准适用于管径范围为50mm~315mm低压室外用PVC管
Agricultural irrigation equipment.PVC above-ground low-pressure pipe for surface irrigation.Specifications and test methods
本标准规定了以聚氯乙烯树脂为主要原料,经挤出成型的低压输水灌溉用硬聚氯乙烯管材(以下简称管材)的产品分类、技术要求、试验方法及检验规则、标志、包装、运输、储存。 本标准适用于公称压力0.32MPa以下的低压输水灌溉用管材
Thin wall unplasticized polyvinyl chloride(PVC-U) pipes for low-pressure conveyance in irrigation
Contains minimum requirements and test methods for aluminium tubes intended for use in agricultural irrigation systems at temperatures not exceeding
Agricultural irrigation equipment - Aluminium irrigation tubes
1 Scope This document specifies the requirements and certification procedures for water meters , irrespective of the design technologies used
Agricultural irrigation equipment. Meters for irrigation water
本标准规定了水动灌溉阀(以下简称水动阀)的结构、技术要求和试验方法。该水动阀用于水温不超过50℃,水中可含有农业常用类型和浓度的肥料和化学物的灌溉系统。 本标准适用于公称尺寸大于等于15mm的水动阀。该水动阀的设计工作状态为全开和全闭,但也可以在任意中间状态工作
Agricultural irrigation equipment.Hydraulically operated irrigation valves
Agricultural Irrigation Water Quotas
Agricultural Irrigation Water Quotas
Irrigation equipmpent. Polyethylene tubes for micro-irrigation equipment. Specifications.
This part of ISO 9635 specifies construction and performance requirements and test methods for control valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Control valves
This part of ISO 9635 specifies construction and performance requirements and test methods for air valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Air valves
This part of ISO 9635 specifies construction and performance requirements and test methods for check valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Check valves
This part of ISO 9635 specifies construction and performance requirements and test methods for isolating valves, intended for operation in irrigation
Agricultural irrigation equipment - Irrigation valves - Isolating valves
Agricultural irrigation equipment. Irrigation valves. Isolating valves