This might help. I have a large print of this hanging on the wall. https://ww2.gates.com/Turkey/file_save_common.cfm?thispath=Turkey%2Fdocuments%5Fmodule&file=50101%5FE2%5FCOUPL%5FIDENT%5FCHART%2Epdf
> On Mar 6, 2022, at 8:08 PM, gene heskett <[email protected]> wrote: > > Greetings all; > > I have obtained a couple 0-10 psi 3 wire sensors I'd like to use to > control a pwmgen to regulate the low air pressure a mister uses, as just > a couple lbs is plenty. Useing a 12 volt supply driving 5 of those teeny > compressors I bragged about finding. > > But it has an unusual (to me) feed arrangement to get the pressure into > it, seems to be a std in the auto world, but I've never seen it before. > The thread is not a tapered thread, measureing 12.95mm in the threads > major diameter, and quite close to 1mm pitch, maybe .98mm? There is a > reduced diameter area between the inner end of the thread, and a smooth > flat face beyond it, as if an O ring is intended to be sealed in position > by having its outside contained in a rim around the socket it screws > into. > > Has anyone a clue what this is known as in the trade? G1/4 seems to > relate somehow, but its nowhere near a 1/4 inch AMSTAN pipe thread for > pitch, and its not tapered like a pipe thread. > > Wikipedia.org wasn't much help as no common threads for about that size > are anywhere near that pitch. There is a fine thread metric 12mm at 1mm > pitch, but no 13mm seems to exist. > > Call me puzzled. > > Cheers, Gene Heskett. > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > > > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
