This "Spiral Design" nozzle was designed for an agricultural application to operate at 40-60psi water pressure. It's spray pattern produces a full cone (15' diameter) and is typically mounted from 8-10' ceilings to provide cooling/washing/soaking in agricultural facilities.
Uploaded to Thingiverse in the case it could be useful for your applications or possibly another purpose all together. Enjoy!
Can easily be tested with a Gardena adapter that can be found here
https://www.thingiverse.com/thing:2872340
2_McKay_Nozzle.stl | 1.0MB |