狠狠拍香蕉电影_体内射精在线视频_韩国毛片午夜精品_精品.性.xx_黄片久久久久久久久久久久久无码_天堂av中文Www_亚洲精品无码3d_韩国三级日本三级少妇黄色_丁香七月色婷婷综合_黄页在线视频免费_又大又粗插入视频_99re16精品视频在线播放_久久久久无码国产精品._国产中年熟女对白91_美女三级久久精品一区

The center is directly on the nozzle is installed in the same distribution box with a number of universal DC nozzle, when these nozzles the same specifications, the jet of water posture majestic straight; when the nozzle size is not exactly the same, the size of the nozzle layout, the water jet Pose sturdy powerful, structured, prominent themes, is a major fountain essential main nozzle. The nozzle is also called the central water column.

Sprinkler model	The main performance				Connecting pipe		Installation dimensions（mm）
	Water pressure （kpa）	Flow （m3/h）	Spray high （m）	Spray diameter DN（mm）	Diameter DN（mm）	Connection type	A	B
SZ-310	100-150 200-250	19-23 25-28	3-5 6-11	1.0-1.3 1.4-1.6	50	Internal thread	220	+120
SZ-212	150-250 250-450	29-38 52-60	7-10 11-16	1.6-1.8 2.0-2.5	65	Internal thread	280	+120