Wilsons Sandbox

>John Seim writes: > >You shouldn't need to use teflon sealant on hydraulic fittings, as they >should be self-sealing. Either a JIC fitting, Japanese metric, French >metric, german metric, swedish metric, SAE, double bubble for english >brake pipes, doubled flange for metric OR UNF brake pipes, should seal >without the need for a sealant. Teflon tape is a poor choice, as it >shreads on screw fittings, and the shards can cause problems in other >parts of the system. A brush on teflon sealant paste, like Loctite's PST >(Pipe sealant with Teflon) is designed for the taper fit pipe thread to >seal; it will seal other joints as well. Much better than teflon tape. > >John Seim >Irvine, CA > >digitaldon finds it interesting that Canton Racing specifies teflon tape on >all NPT fittings when installing an Accusump oil accumulator, and >specifically does not recommend liquid teflon, or all other methods, as pipe >dope, silicon, etc. On the other hand, teflon tape is a no-no when plumbing >fuel systems, as teflon fragments can get into carburettors and fuel >injectors. Same also applies to fuel oil piping in oil burning furnaces. > >Don >TC 7993 > > > > > >Yahoo! Groups Links > > > > > > > > >

----- Original Message ----- From: "Charles Hill" candahill@worldnet.att.net> To: mg-tabc@yahoogroups.com> Sent: Saturday, August 13, 2005 11:11 PM Subject: Re: [mg-tabc] Teflon sealants > My memory isn't what it used to be and its been over a year since I > completely rebuilt the brakes on my TC. So I may have forgotten > something but as I recall all the fittings are sealed with either a > taper fitting or copper sealing washers. If you trying to seal a > fitting with a sealant on the threads, something else is wrong. The > purpose of the thread is to hold the sealing surfaces together, not act > as the seal itself. > > Regards, > Charles Hill > > Donald Wilkinson wrote: > >>John Seim writes: >> >>You shouldn't need to use teflon sealant on hydraulic fittings, as they >>should be self-sealing. Either a JIC fitting, Japanese metric, French >>metric, german metric, swedish metric, SAE, double bubble for english >>brake pipes, doubled flange for metric OR UNF brake pipes, should seal >>without the need for a sealant. Teflon tape is a poor choice, as it >>shreads on screw fittings, and the shards can cause problems in other >>parts of the system. A brush on teflon sealant paste, like Loctite's PST >>(Pipe sealant with Teflon) is designed for the taper fit pipe thread to >>seal; it will seal other joints as well. Much better than teflon tape. >> >>John Seim >>Irvine, CA >> >>digitaldon finds it interesting that Canton Racing specifies teflon tape >>on >>all NPT fittings when installing an Accusump oil accumulator, and >>specifically does not recommend liquid teflon, or all other methods, as >>pipe >>dope, silicon, etc. On the other hand, teflon tape is a no-no when >>plumbing >>fuel systems, as teflon fragments can get into carburettors and fuel >>injectors. Same also applies to fuel oil piping in oil burning furnaces. >> >>Don >>TC 7993 >> >> >> >> >> >>Yahoo! Groups Links >> >> >> >> >> >> >> >> >> > > > > Yahoo! Groups Links > > > > > > >