Female-Threaded Rotary Spray Ball — Short Neck

A short-neck rotary spray ball with a female-threaded inlet and slotted head openings. The compact threaded connection is suited to layouts where the inlet-to-head position matters, with SS304 and SS316L listed as material options.

Connection	Female threaded socket connection (short neck)
Material	SS304, SS316L
Spray head structure	Compact short-neck rotating head with slotted jet orifices
Listed series size range	0.5"–2.5" (DN15–DN65)
Series designations	3A / SMS / DIN / ISO / RJT

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Compact female-threaded inlet

The female-threaded socket is incorporated into a short inlet neck close to the rotary head. Confirm its thread designation and engagement dimensions against the mating supply fitting. A compact neck changes the installed envelope but does not identify the complete thread or size configuration.

Slotted rotary construction

The threaded inlet feeds cleaning liquid to the moving slotted head. Specify the head and inlet as a complete assembly, checking the required liquid supply and installed position for the cleaning process. The female connection gives a threaded mounting arrangement while the short neck keeps the inlet close to the head.

Layout and threaded assembly access

Plan the inlet position with regard to the vessel opening and adjacent equipment. Leave room to turn the threaded assembly during fitting and removal, as well as clearance for the head itself. The removal route can be as important as the compact installed height.

Material and size comparison

Series options include SS304/SS316L and nominal sizes from ½ to 2½ inches, DN15–DN65. Confirm the selected thread dimensions and total assembly envelope when ordering or replacing the spray ball. Inspect the inlet connection, moving head and slots during maintenance, and evaluate coverage requirements in the complete vessel layout.

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