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From: "Chris Elmore" <chelmore@be*.ne*>
To: "Christian Gerzner" <christiang@in*.co*.au*>,
     "Patrick Shaw" ,
Subject: Re: First Stage DIN O-Rings
Date: Thu, 14 Aug 2003 08:45:48 -0400
"standard" may apply to the thread pitch, diameter, and length but the
o-rings vary. ScubaPro and Apek use different face dimensions and,
therefore, different o-rings.

----- Original Message ----- 
From: "Christian Gerzner" <christiang@in*.co*.au*>
To: "Patrick Shaw" <pat_shaw@te*.ne*>; <>
Sent: Thursday, August 14, 2003 5:15 AM
Subject: Re: First Stage DIN O-Rings

> Patrick Shaw wrote:
> >
> > Apologies for sending such a pedestrian message, but the list has been
> > slow for a while.....
> >
> > So, I saunter into the local dive shop that has more than the token bit
> > of "tech" equipment looking for a few first-stage DIN O-rings. You know
> > the ones...the O-ring on the exposed face of the fitting. The service
> > guy goes through his collection of O-rings, assures me that he hasn't
> > any, but also assures me that different manufacturers use different DIN
> > O-rings. Now, I only use a few brands of regs with DIN fittings
> > (Poseidon and Sherwood), but I did find it hard to believe that this
> > could be true. Of course, I usually hold service techs in the highest
> > regard, but this smacked of a trace of BS. Anyone out there know the
> DIN stands for Deutsche Industrie Normen, German Industrial Norms, but
> is today a universal standard and "DIN" is a universal description.
> Any, ANY, DIN fitting/requirement/engineered thingy has to be
> according to the standard and the standard allows no deviation. That's
> why it's a standard.
> You're right, the people in the shop are dead set wrong. Their BS is
> positively dangerous.
> Cheers,
> Christian
> -- 
> I haven't quite worked out the secret of life yet, but I just know it
> must have something to do with lunch.
> --
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