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江苏工学院排灌机械研究所等单位研制的“PY2型金属摇臂式喷头”通过了机械电子工业部工程农机司的科技鉴定,且河南驻马店喷灌机厂已销售PY2型中的40PY2型喷头数万只。 PY2型喷头有六个系列:50PY2、40PY2、30PY2、20PY2、15PY2、10PY2,共48个型号293个规格。在三个系列中每个系列有三种喷头仰角,30°、22.5°、157°;另三个系列中每个系列有两种喷头仰角为27°、23.5°。整个系列均有单、双喷嘴,可作全圆或扇形喷洒。
Jiangsu Institute of Irrigation and Drainage Machinery and other units developed by the “PY2-type metal rocker nozzle” adopted by the Ministry of Machinery and Electronic Engineering Division of Agricultural Science and Technology appraisal, and Henan Zhumadian plant irrigation PY2 type 40PY2 type nozzle tens of thousands only. PY2-type nozzle has six series: 50PY2, 40PY2, 30PY2, 20PY2, 15PY2, 10PY2, a total of 48 models 293 specifications. There are three nozzle elevation angles for each of the three series, 30 °, 22.5 °, 157 °; for each of the other three series, there are two nozzle elevation angles of 27 °, 23.5 ° for each series. The entire series has a single, dual nozzle, for full circle or fan-shaped spray.