On Fri, 16 Jun 1995 hoo@in*.ne* wrote:

> The 200 and 300 bar fittings are so that you can use a 300 bar reg on a 200 
> bar tank, but not the opposite.  The 300 is deeper/longer, so if you try to 
> screw a 200 male in a 300 female, he's gonna have ego problems cuz his gun is 
> not gonna be big/long enough for the touch down.  On the other hand  a 200 
> female will be pretty happy with a 300 male.

The fittings on compressors are so designed that a 200 bar outlet can fill
both 200 and 300 bar tanks, but the 300 bar outlet has a "stud" in the end
that fitts in a ca 8 to 10 mm hole in the 300 bar tank valve. this stud
make it impossible to get a seal when fittid in a 200 bar valve.

               DIN 477 air fittings, threads ISO G5/8

         W                               W
 O==wwwwwW                       O=wwwwwwW
====     W-hose-hose-hose        ==      W-hose-hose-hose
 O==mmmmmW                       O=mmmmmmW
         W                               W

    300 bar filling                 200 bar filling

O=O-ring  m&w=thread   "="=fixed part   W=handwheel (turns m&w)

/Sten Meyer                   m87stme@mt*.ch*.se*

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