try and find this one out.

[Jim_Ferer]

200 bar is slightly over 7,250 psi! That's a hell of a lot of pressure and a big design challenge.

[thunderbeam63]

200 bar is slightly over 7,250 psi! That's a hell of a lot of pressure and a big design challenge.

you got that right

[AllSafe]

HLS sirens use from 2000- to 6,000 psi compressed air from a 15hp compressor to generate their sound output. It would require twice its motor horsepower to generate their rated sound output with an ordinary siren. That makes them possibly the most efficient electromechanical sirens in the world.