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0引言本标准ISO7749/1论及农业和园艺灌溉用的旋转式喷头。 ISO7749/2叙述用于旋转式喷头水量分布均匀性试验的条件和方法。 1 应用范围本标准ISO7749/1规定了作为灌溉设备的喷头和喷嘴的设计和操作要求及其试验方法。用于试验装配在灌溉管路网络中和在制造厂家推荐的压力下运行的喷头。
0 Introduction This standard ISO7749 / 1 deals with rotary nozzles for agricultural and horticultural irrigation. ISO7749 / 2 describes the condition and method for the uniformity test of water distribution of rotary nozzles. 1 Scope of application This standard ISO7749 / 1 specifies the nozzle and nozzle design and operation requirements and test methods for irrigation equipment. Used to test the assembly of the nozzle in the irrigation pipeline network and at the manufacturer’s recommended pressure.