Anybody know where to learn more about estimating pipe life? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ron Greenman Sent: Thursday, November 29, 2007 4:51 PM To: [email protected] Subject: Re: A Pipe's Life
Benjamin, Not the steel but the zinc reacts with the foam. What I've seen is something that looks like powdered metal mixed with axle grease forming a substantial plug. On Nov 29, 2007 1:43 PM, Benjamin Schrader <[EMAIL PROTECTED]> wrote: > Thanks for the info, Ron. Did you mean that the presence of AFFF causes the > breakdown of steel pipe? > Benjamin > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ron Greenman > Sent: Wednesday, November 28, 2007 5:35 PM > To: [email protected] > Subject: Re: A Pipe's Life > > Benjamin, > > First and foremost you cannot use galvanized with AFFF. Black steel > tends to swell, stratify and then de-laminate (there are some proper > and precise words to describe this but they're escaping me at the > moment). Stainless works well on ships. I don't have a clue about C.L. > ductile but sounds like it might work. > > On Nov 28, 2007 2:13 PM, Benjamin Schrader <[EMAIL PROTECTED]> wrote: > > An existing AFFF foam system, supplied by sea water, needs the pumps > > replaced. The pipe supplying the pumps, and from the pumps to the deluge > > valves, in diameters from 8" to 4", totals less than 200' in length. > > > > > > > > Our client is looking to us for guidance on what kind of pipe should be > used > > to replace the old pipe. The old pipe is black steel. How do you > determine > > the cost effectiveness of new steel pipe vs. ductile cement lined vs. > > galvanized vs. stainless steel? How do you estimate life of pipe? From > > your experience, what other concerns should be considered for this > decision? > > > > > > > > Thanks for the help. > > > > > > > > Benjamin Schrader > > > > Maine Fire Protection Systems > > > > 6 Dowd Rd > > > > Bangor, ME 04401 > > > > phone (207) 942-8809 > > > > fax (207) 941-1910 > > > > email [EMAIL PROTECTED] > > > > > > > > > > > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > > (Put the word unsubscribe in the subject field) > > > > > > -- > Ron Greenman > at home.... > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > -- Ron Greenman at home.... _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
