Standard No.:	GB/T 21403-2008
English Name:	Irrigation equipment - Differential pressure Venturi-type liquid additive injectors
Chinese Name:	喷灌设备文丘里式差压液体添加射流器
Chinese Classification:	B91    Farming machinery and tools
Professional Classification:	GB    National Standard
ICS Classification:	65.060.35 65.060.35    Irrigation and drainage equipment 65.060.35
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-02-03
Implemented on:	2008-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	100.0
Delivery:	via email in 1~3 business day

本标准规定了文丘里式差压液体添加射流器的设计、操作须知及测试方法。这种文丘里式差压液体添加射流器是灌溉系统中用来向系统注入可溶性化学物，包括液体肥料、水溶性液体肥料、酸类、腐蚀性溶液、杀虫剂、除草剂以及其它液态添加剂。本标准不含向饮用水供水系统中回流防止装置，接近文丘里式射流器的安装装置被包含在防水措施细则中。