Yup. At GE Aerospace in pre-CPVC days, I think we did a di-electric union (or flanges) on either side of the wall.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Travis Mack, SET Sent: Thursday, November 04, 2010 1:55 PM To: [email protected] Subject: Re: NON-METALLIC COUPLING It is concrete wall. The detail on the contract drawings shows the coupling at 6" inside of the secure area. I think what we have will serve the purpose. On 11/4/2010 10:53 AM, Brad Casterline wrote: > True, in my case they did, but if they just specified coupling on Travis' > job, maybe they know the break will avoid the entire system being one > huge antenna. Hopefully the wall is not metal stud! > > -----Original Message----- > From: George Church [mailto:[email protected]] > Sent: Thursday, November 04, 2010 12:48 PM > To: [email protected] > Subject: RE: NON-METALLIC COUPLING > > And it may be they need non-metallic the length of the wall thickness > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Brad > Casterline > Sent: Thursday, November 04, 2010 1:38 PM > To: [email protected]; [email protected] > Subject: RE: NON-METALLIC COUPLING > > Good deal-- Ron F. idea of di-electric would probably work > physically-- stop the flow of electrons-- but they are not 'non-metallic'. > > -----Original Message----- > From: Travis Mack, SET [mailto:[email protected]] > Sent: Thursday, November 04, 2010 12:32 PM > To: [email protected] > Subject: Re: NON-METALLIC COUPLING > > I was able to calc it down with a short piece of 3" CPVC pipe. Then > just use the CPVC x Grooved adapters. Hopefully this will fly. It is > all light hazard. > > On 11/4/2010 10:30 AM, Ron Greenman wrote: >> 3" max on CPVC. >> >> On Thu, Nov 4, 2010 at 10:00 AM, Brad Casterline >> <[email protected]> wrote: >>> Do you mean the room is some kind of secure communications? I did >>> one >>> recently- No metallic PENETRATION of the walls- (like an antenna) - >>> I > guess >>> a non metallic coupling would be like breaking the antenna- I went >>> steel > up >>> to the wall, steel to cpvc, cpvc through the wall, then back to >>> steel. Is > 4" >>> cpvc made? >>> >>> -----Original Message----- >>> From: Travis Mack, SET [mailto:[email protected]] >>> Sent: Thursday, November 04, 2010 11:07 AM >>> To: [email protected] >>> Subject: NON-METALLIC COUPLING >>> >>> I am working on a military project. I have to provide a >>> non-metallic coupling on one side of wall. It is a penetration into a secured area. >>> Any ideas on what to use as a non-metallic coupling for 4" sch 40 pipe? >>> >>> -- >>> Please feel free to call if you have any questions or comments. >>> >>> Sincerely, >>> >>> Travis Mack, SET >>> MFP Design, LLC >>> 2508 E Lodgepole Drive >>> Gilbert, AZ 85298 >>> Office (480) 505-9271 >>> Fax (866) 430-6107 >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >>> >>> For Technical Assistance, send an email to: >>> [email protected] >>> >>> To Unsubscribe, send an email >>> to:[email protected] >>> (Put the word unsubscribe in the subject field) >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >>> >>> For Technical Assistance, send an email to: >>> [email protected] >>> >>> To Unsubscribe, send an email >>> to:[email protected] >>> (Put the word unsubscribe in the subject field) >>> >> > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
