Re: Stus-List Mixing Elbow - 2GM20F
Yeah maybe it was short sided to use tape but the point was to lubricate the threads and allow a tight enough connection. It is in fact tight enough because my air filter now stays clean. Like i said, I may play hell getting it apart should the need arise. As for fumes, i haven't noticed any Josh On Jun 23, 2015 7:40 AM, Bill Bina - gmail via CnC-List cnc-list@cnc-list.com wrote: I know That teflon tape is not used in fuel oil heating system lines because the fuel dissolves teflon tape. Bill Bina On 6/23/2015 12:38 AM, Russ Melody via CnC-List wrote: Hi Josh, Good point made regarding tapered thread sealing qualities and the lube aids to obtaining a good mechanical seal. I'm a little dismayed that you used Teflon tape on the exhaust fittings. This is probably the worst application for the product (second being any system with a pump in it). It is best used in domestic water situations. At about 660 degrees F Teflon tape decomposes and emits a toxic fume. Fatal to birds in the home when the frying pan gets too hot and probably not good for humans in a small space either. I whole heartedly support the use of high temp anti-seize. It might stink a wee bit on the first couple of runs but it probably won't harm you. Cheers, Russ *Sweet *35 mk-1 At 04:08 AM 22/06/2015, you wrote: Most if not all pipe dopes and Teflon tape sealers are not really there to seal the threads of a NPT fitting from leaking. They are simply there to lubricate the threads so a sufficiently tight connection can be made. The lubricant may also help in disassembly. By design the mechanical compression as a result of the tapered threads is what is actually supposed to prevents leaks. Yes, you can use all manner of sealants which may help but a proper NPT connection shouldn't need it. That being said, I used Teflon tape on my exhaust (3GM35F). Just 2 wraps. I may have difficulty getting the joint apart, who knows. I also used a bench vice to provide enough counter-torque. As a suggestion I would give high temp anti-seaze a try. It is usually copper colored and most auto parts stores should carry it. If you've ever replaced an O2 sensor they include a small tube. Josh Muckley S/V Sea Hawk 1989 CC 37+ Solomons, MD ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
I know That teflon tape is not used in fuel oil heating system lines because the fuel dissolves teflon tape. Bill Bina On 6/23/2015 12:38 AM, Russ Melody via CnC-List wrote: Hi Josh, Good point made regarding tapered thread sealing qualities and the lube aids to obtaining a good mechanical seal. I'm a little dismayed that you used Teflon tape on the exhaust fittings. This is probably the worst application for the product (second being any system with a pump in it). It is best used in domestic water situations. At about 660 degrees F Teflon tape decomposes and emits a toxic fume. Fatal to birds in the home when the frying pan gets too hot and probably not good for humans in a small space either. I whole heartedly support the use of high temp anti-seize. It might stink a wee bit on the first couple of runs but it probably won't harm you. Cheers, Russ /Sweet /35 mk-1 At 04:08 AM 22/06/2015, you wrote: Most if not all pipe dopes and Teflon tape sealers are not really there to seal the threads of a NPT fitting from leaking. They are simply there to lubricate the threads so a sufficiently tight connection can be made. The lubricant may also help in disassembly. By design the mechanical compression as a result of the tapered threads is what is actually supposed to prevents leaks. Yes, you can use all manner of sealants which may help but a proper NPT connection shouldn't need it. That being said, I used Teflon tape on my exhaust (3GM35F). Just 2 wraps. I may have difficulty getting the joint apart, who knows. I also used a bench vice to provide enough counter-torque. As a suggestion I would give high temp anti-seaze a try. It is usually copper colored and most auto parts stores should carry it. If you've ever replaced an O2 sensor they include a small tube. Josh Muckley S/V Sea Hawk 1989 CC 37+ Solomons, MD ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
I stopped using teflon tape in the 80's after finding the threads of tape caught inside valves downstream. I saw many failures when teflon tape or teflon pipe dope was used on diesel fuel lines. Some pipe dopes (read the directions) require the joint sit for 24 hrs before charging the system w fuel. I recommend Hercules Megalok, it's a light blue pipe dope that works on everything, oil, gasoline, diesel fuel, water, oxygen, natural gas, propane, etc, without waiting. I've been using the same can of dope for so long, I can't read the label. Good stuff. http://www.oatey.com/doc/megaloc.pdf Chuck Resolute 1990 CC 34R Broad Creek, Magothy River, Md - Original Message - From: Josh Muckley via CnC-List cnc-list@cnc-list.com To: CC List cnc-list@cnc-list.com Cc: Josh Muckley muckl...@gmail.com Sent: Tuesday, June 23, 2015 10:37:48 AM Subject: Re: Stus-List Mixing Elbow - 2GM20F Yeah maybe it was short sided to use tape but the point was to lubricate the threads and allow a tight enough connection. It is in fact tight enough because my air filter now stays clean. Like i said, I may play hell getting it apart should the need arise. As for fumes, i haven't noticed any Josh On Jun 23, 2015 7:40 AM, Bill Bina - gmail via CnC-List cnc-list@cnc-list.com wrote: I know That teflon tape is not used in fuel oil heating system lines because the fuel dissolves teflon tape. Bill Bina On 6/23/2015 12:38 AM, Russ Melody via CnC-List wrote: blockquote Hi Josh, Good point made regarding tapered thread sealing qualities and the lube aids to obtaining a good mechanical seal. I'm a little dismayed that you used Teflon tape on the exhaust fittings. This is probably the worst application for the product (second being any system with a pump in it). It is best used in domestic water situations. At about 660 degrees F Teflon tape decomposes and emits a toxic fume. Fatal to birds in the home when the frying pan gets too hot and probably not good for humans in a small space either. I whole heartedly support the use of high temp anti-seize. It might stink a wee bit on the first couple of runs but it probably won't harm you. Cheers, Russ Sweet 35 mk-1 At 04:08 AM 22/06/2015, you wrote: blockquote Most if not all pipe dopes and Teflon tape sealers are not really there to seal the threads of a NPT fitting from leaking. They are simply there to lubricate the threads so a sufficiently tight connection can be made. The lubricant may also help in disassembly. By design the mechanical compression as a result of the tapered threads is what is actually supposed to prevents leaks. Yes, you can use all manner of sealants which may help but a proper NPT connection shouldn't need it. That being said, I used Teflon tape on my exhaust (3GM35F). Just 2 wraps. I may have difficulty getting the joint apart, who knows. I also used a bench vice to provide enough counter-torque. As a suggestion I would give high temp anti-seaze a try. It is usually copper colored and most auto parts stores should carry it. If you've ever replaced an O2 sensor they include a small tube. Josh Muckley S/V Sea Hawk 1989 CC 37+ Solomons, MD /blockquote ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com /blockquote ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
I use Nickel AntiSeize (not the standard Zinc based AntiSeize). - Paul E. 1981 CC Landfall 38 S/V Johanna Rose Carrabelle, FL On Jun 22, 2015, at 9:07 AM, cnc-list-requ...@cnc-list.com wrote: 2GM20F - I?m about to replace the mixing elbow - got the part. There?s a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? I?ve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
I used muffler cement for pipe dope on that part on mine. Whatever had been used originally, it had failed, and there was soot underneath the asbestos header wrap. By the way, if you have the asbestos wrap header wrap on yours, it should be handled wet. Steve Thomas CC27 MKIII Port Stanley, ON - Original Message - From: Curtis via CnC-List To: cnc-list@cnc-list.com Cc: Curtis Sent: Sunday, June 21, 2015 23:06 Subject: Re: Stus-List Mixing Elbow - 2GM20F No. Not sealer. Use the high temperature grey pipe dope On Jun 21, 2015 9:56 PM, Sam Salter via CnC-List cnc-list@cnc-list.com wrote: 2GM20F - I’m about to replace the mixing elbow - got the part. There’s a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? I’ve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
Most if not all pipe dopes and Teflon tape sealers are not really there to seal the threads of a NPT fitting from leaking. They are simply there to lubricate the threads so a sufficiently tight connection can be made. The lubricant may also help in disassembly. By design the mechanical compression as a result of the tapered threads is what is actually supposed to prevents leaks. Yes, you can use all manner of sealants which may help but a proper NPT connection shouldn't need it. That being said, I used Teflon tape on my exhaust (3GM35F). Just 2 wraps. I may have difficulty getting the joint apart, who knows. I also used a bench vice to provide enough counter-torque. As a suggestion I would give high temp anti-seaze a try. It is usually copper colored and most auto parts stores should carry it. If you've ever replaced an O2 sensor they include a small tube. Josh Muckley S/V Sea Hawk 1989 CC 37+ Solomons, MD On Jun 21, 2015 9:56 PM, Sam Salter via CnC-List cnc-list@cnc-list.com wrote: 2GM20F - I’m about to replace the mixing elbow - got the part. There’s a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? I’ve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
Hi Josh, Good point made regarding tapered thread sealing qualities and the lube aids to obtaining a good mechanical seal. I'm a little dismayed that you used Teflon tape on the exhaust fittings. This is probably the worst application for the product (second being any system with a pump in it). It is best used in domestic water situations. At about 660 degrees F Teflon tape decomposes and emits a toxic fume. Fatal to birds in the home when the frying pan gets too hot and probably not good for humans in a small space either. I whole heartedly support the use of high temp anti-seize. It might stink a wee bit on the first couple of runs but it probably won't harm you. Cheers, Russ Sweet 35 mk-1 At 04:08 AM 22/06/2015, you wrote: Most if not all pipe dopes and Teflon tape sealers are not really there to seal the threads of a NPT fitting from leaking. They are simply there to lubricate the threads so a sufficiently tight connection can be made. The lubricant may also help in disassembly. By design the mechanical compression as a result of the tapered threads is what is actually supposed to prevents leaks. Yes, you can use all manner of sealants which may help but a proper NPT connection shouldn't need it. That being said, I used Teflon tape on my exhaust (3GM35F). Just 2 wraps. I may have difficulty getting the joint apart, who knows. I also used a bench vice to provide enough counter-torque. As a suggestion I would give high temp anti-seaze a try. It is usually copper colored and most auto parts stores should carry it. If you've ever replaced an O2 sensor they include a small tube. Josh Muckley S/V Sea Hawk 1989 CC 37+ Solomons, MD On Jun 21, 2015 9:56 PM, Sam Salter via CnC-List mailto:cnc-list@cnc-list.comcnc-list@cnc-list.com wrote: 2GM20F - Iâm about to replace the mixing elbow - got the part. Thereâs a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? Iâve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta ___ Email address: mailto:CnC-List@cnc-list.comCnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.comhttp://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
Permatex high temp is what my diesel mechanic recommended and that is what I used. No leaks.___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Re: Stus-List Mixing Elbow - 2GM20F
No. Not sealer. Use the high temperature grey pipe dope On Jun 21, 2015 9:56 PM, Sam Salter via CnC-List cnc-list@cnc-list.com wrote: 2GM20F - I’m about to replace the mixing elbow - got the part. There’s a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? I’ve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com ___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
Stus-List Mixing Elbow - 2GM20F
2GM20F - I’m about to replace the mixing elbow - got the part. There’s a pipe joint between the mixing elbow and the exhaust elbow that screws into both parts. Do I screw this piece in dry or (more likely) use some sort of sealant? If I need sealant - what do you guys suggest? I’ve got a tube of high temp silicone left over from installing my garage heater, is this stuff OK? If not - what??? sam :-) CC 26 Liquorice Ghost Lake Alberta___ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
