regulations hydraulic fittings

[mariom]

hello to all
I wanted to ask you a simple question, but there is a regulation (one ) regarding the holeodynamic ringing, as there is for the vines, if you would know where I can see it??

 

[radio]

on the sites of producers such as cast, racfluid, parker, for, find catalogues of fittings built according to various norms, with references to the same; also find the designs of threaded seats, rigid tubes prepared to match the various types of raccorres etc.
The information you find should be enough.
Bye.

 

[mariom]

ok thanks of the information I will go to see the sites you have indicated me