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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