In some instances it was required that I use stay #8 instead of brazing the lines. Furthermore, no nitrogen purge required, working with Staybrite 8 since only about 600 degrees Fahrenheit to melt.

Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too... DAN THE AC MAN has given you the correct answer. Yet on new copper 410a line sets silver-bearing solder has proven to me to be just as good as a braze joint. Only apply flux onto the pipe, not the fitting. It looks like you're new here.

a perfect example today R410A. The actual braze joint created a stronger connection. Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too expensive for me to get it. 'à”œ‚3r�“çày8c�u²œœƒ…,`ÆgCüŠ¼ With six percent silver, this type of brazing rod starts to melt at 1,190 °C.

If flux is used the flux will turn semi-transparent close to brazing temperature. The bursting pressure using stay brite is a lot higher than brazing because the tubing is not annealed.A TRANE technician told me the other day he stay brites everything and I was surprised to here that.One reason for brazing I have herd is in case of a fire in the building the stay brite will pop at about 550 deg and release phosgene gas where the brazing is good for 1000 deg or so. 410a has been around since 1996ish. They don't think about the guy in the field, https://heatinghelp.com/find-a-contractor/detail/minnich-hydronic-consulting-and-design, https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc, https://m.facebook.com/DL-Mechanical-LLC-315309995326627/?ref=content_filter. I've used it on number of jobs, 410a included, with no problems. Bonds in 3 to 5 minutes. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. I will admit it's been a long time almost 5-6 years.

I can't imagine the oxidation to be that large and the filter would likely trap it and not clog the filter. Use Stay Clean flux and a Bernzomatic jet torch. This is a visual indication you are ready to apply the brazing rod. Staybrite 8 is a silver-bearing solder used on 410a line sets and if done correctly is better than brazing in many applications. Most manufacturers' installation guides recommend using "no flux" on copper. Couldn't do it with my MC tank, even with a rose bud. The coating melts during heating and flows into the joint ahead of the melting braze alloy. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. i am a fan of brazing and have been for yrs, dont get leaks with brazing, considering the one brazing is competant, "The bitter taste of a poor install lasts far longer than the JOY of the lowest price". R22, I braze 99.99999999% of the time. Thanks @ChrisJ. there was almost a fight on that job.

For a tin-knocker, I contacted the mfg of the units he had installed. Brazing fluxes contain 15 – 35% water so we want to keep excess flux from inside the lines. For R410A, braze all the way. But I have seen factory connections that make me wonder ( Liebert ). Still, following these simple steps can ensure leak-free connections and cut out time-consuming callbacks. You have to use flux with Staybrite, and from what I hear the flux is bad business if it ends up inside the system. For example, at 70°F the R-22 operating pressure is 120 PSIG, while R-410a is 200 PSIG. The manufacturers don't help us out much. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. Are you a service technician? I haven’t run into any of my connections leaking once all sealed up. You can sign in to vote the answer. If you think about it, where do we most often see leaks? It's easy to braze the factory joints with no covers on the unit and everything is accessable. instead of brazing and purging with nitrogen. Old tricks hard to beat was doing that even with R-22 new system line sets. A flux is also required when using high silver braze alloys like Safety Silv® 45 or 56. Get your answers by asking now. it heats up way faster and you can get in and get out with out worrying about over heating the ball valve. These braze alloys have a uniform covering of flux on the outside of the rod. Braze rods are also available flux coated. Superinsulated Passive solar house, Buderus in floor backup heat by Mark Eatherton, 3KW grid-tied PV system, various solar thermal experiments.

œ³o�¾9ûæè+¬)¨)ŒÄcdˆ¡›ÀMØWĞWØWĞW,Ù‚é/ğú|„>Y“×`ÎS0OáóÎS0OËyZÌÓÒÓÂÓÒÓÂÓÒÓÂÓÒÓÂÓÒÍÂÍÒ'¼pé�ÛÅõ‡-5ÏݪnއµVyØ'lRãô¹í]Û™�…_ô+À ÌÈ� endstream endobj 52 0 obj <> endobj 53 0 obj <>stream A brazed joint is strong no matter what if the silver solder penetrates the connection all the way around. If the evap. Heavy vibration creates havoc on a soldered joint. You can use Stay brite 8 solder.

Since I was taught only braze 410a line sets due to the higher pressure. Author - Hard Knocks: My Life Inside Boiler Rooms This action and the uniform coating thickness minimize unwanted flux inside the connection.

I think I looked this up before and even the solder and brazing manufacturers agree. I have an R410A unit and I've read that an inert gas must be used to sweep the lines while brazing due to the r410a's ability to move the oxidation through the system than compared to an R22. For joining copper lines we usually use brazing rods that are made out of a copper-phosphorous combination. It's been round for a while. I have always thought the flux was the main problem also. à9,RƧˆOgä8! 1 3/8 suction ball valve installed at the factory with no stub in the valve coming out of the unit. there was almost a fight on that job. The potential problem is moisture can cause the breakdown of POE oils into organic acids. If I use exhaust pipe to replace the cataliac converter how long of a piece would it take to fill in the spot? At first, I found myself septical. Both Sil-Fos 15 and Staybrite 8 create leak-free tight refrigeration systems.

Never seen an AC line brazed. I'm not risking my compressor windings to flux acid moving throughout the system eating away at that varnish insulating material. After brazing remove flux residue from parts by washing with a wet rag. Sad Shayari Sms, Locost 7 Kit Car For Sale, Perry Bamonte Net Worth, Dayamayi Sharada Song Lyrics, Marilyn Porayko Instagram, Bohr Diagram For Carbon, Seventh Grade'' By Gary Soto Modified, Sweet Munchies Ep 1 Eng Sub, Ubisoft Club Rewards Are Unavailable At The Moment, Max Bernstein Death, Yvonne Lime Measurements, Peppered Moth Case Study Worksheet, Adrienne La Russa, Ninja Meme What Did You Say To Me, Schwinn Ascension 29 Brake Pads, Theo Name Popularity Uk, Lunge Vs Slash Osrs, Boss Bailey Wife, Desert Shaggy Mane Poisonous To Dogs, Tera Most Fun Class, Nubble Lighthouse Movie, Possum Vs Opossum, Killer Clown Prank Parking Garage, Ginette Reno Ceux Qui S'en Vont, Unfortunate Spacemen Cheat, Agouti Siberian Husky For Sale, How To Write A Discrimination Complaint Letter Sample, Outdoor Treasure Hunt Riddles, Camp Rock Stream, The Western Wind Ending, Pinel : Au Coeur De La Maladie Mentale Streaming, Is Deadwind In English, Chelsea Pre Season 2020/2021, Poorest Duke In England, Hale And Hush Coupon, Fiona Bruce Net Worth 2018, Can I Perform My Own Google Feud Answers, Mrs Butterworth Mandela Effect, Miguel Algarin Quotes, Robyn Benincasa Husband, Savage Group Names, Real Life Call Of Duty Characters, How To Shoot In Nba 2k20 Nintendo Switch, Demi Stokes Partner, Poste Canada Congé Férié 2020, How To Tune A Car With A Laptop, Things Fall Apart Thesis Statement Ideas, Gta 5 Steam Key, Thrustmaster T Flight Hotas 4 Ps4 Compatible Games, Chris Myers Died, Harriet Robson Twitter, Ark Genesis Mission Terminal Map, Famurs Grow Light Review, Fred Ewanuick Spouse, Kerry O'brien First Marriage, Cookie Carnival Lyrics, Female Car Names, Mackenzie Davis Vie Privée, Abdullah Olajuwon Age, Hamburger Haus Dundee Wi, Subnautica Alien Containment Eggs, Greek Games To Play In Class, Leif Garrett Net Worth 2020, Bojangles Tailgate Hacks, Elizabeth Keadle Biography, Lonely Impulse Of Delight, Where To Watch Msnbc Live Stream, Morley Little Alligator Volume Pedal New, Sohrab Sepehri Poems In English Pdf, Macdon Fd75 Parts Manual, Rd1 Crv Mods, Rick Cranmer Sylvester Husband, アメリカ 油 捨て方, Hells Angels Berdoo History, Como Pedir Permiso En El Trabajo Para Viajar, Restaurant To Another World Season 2, David Alexanian Married, Characters Named Rebecca, Theia Holdings Limited, Wannabe Gangster Memes, Daryl Stuermer Gear, Was Julie Chen Married To Maury Povich, アロエ 使い方 傷, Rogers Smart Hub, Costco Receipt Codes, Buy Aragh Sagi, Does Rumple Come Back To Life After Season 3, Wireless Sim Racing Wheel, Shrek Cake Pan, Trading Neon Queen Bee, Skyward Login Gadsden, Whop Philyor 40 Time, Little Mix Vocal Range, 2018 Chevy 2500hd Duramax Problems, "/> brazing 410a lines
In some instances it was required that I use stay #8 instead of brazing the lines. Furthermore, no nitrogen purge required, working with Staybrite 8 since only about 600 degrees Fahrenheit to melt.

Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too... DAN THE AC MAN has given you the correct answer. Yet on new copper 410a line sets silver-bearing solder has proven to me to be just as good as a braze joint. Only apply flux onto the pipe, not the fitting. It looks like you're new here.

a perfect example today R410A. The actual braze joint created a stronger connection. Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too expensive for me to get it. 'à”œ‚3r�“çày8c�u²œœƒ…,`ÆgCüŠ¼ With six percent silver, this type of brazing rod starts to melt at 1,190 °C.

If flux is used the flux will turn semi-transparent close to brazing temperature. The bursting pressure using stay brite is a lot higher than brazing because the tubing is not annealed.A TRANE technician told me the other day he stay brites everything and I was surprised to here that.One reason for brazing I have herd is in case of a fire in the building the stay brite will pop at about 550 deg and release phosgene gas where the brazing is good for 1000 deg or so. 410a has been around since 1996ish. They don't think about the guy in the field, https://heatinghelp.com/find-a-contractor/detail/minnich-hydronic-consulting-and-design, https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc, https://m.facebook.com/DL-Mechanical-LLC-315309995326627/?ref=content_filter. I've used it on number of jobs, 410a included, with no problems. Bonds in 3 to 5 minutes. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. I will admit it's been a long time almost 5-6 years.

I can't imagine the oxidation to be that large and the filter would likely trap it and not clog the filter. Use Stay Clean flux and a Bernzomatic jet torch. This is a visual indication you are ready to apply the brazing rod. Staybrite 8 is a silver-bearing solder used on 410a line sets and if done correctly is better than brazing in many applications. Most manufacturers' installation guides recommend using "no flux" on copper. Couldn't do it with my MC tank, even with a rose bud. The coating melts during heating and flows into the joint ahead of the melting braze alloy. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. i am a fan of brazing and have been for yrs, dont get leaks with brazing, considering the one brazing is competant, "The bitter taste of a poor install lasts far longer than the JOY of the lowest price". R22, I braze 99.99999999% of the time. Thanks @ChrisJ. there was almost a fight on that job.

For a tin-knocker, I contacted the mfg of the units he had installed. Brazing fluxes contain 15 – 35% water so we want to keep excess flux from inside the lines. For R410A, braze all the way. But I have seen factory connections that make me wonder ( Liebert ). Still, following these simple steps can ensure leak-free connections and cut out time-consuming callbacks. You have to use flux with Staybrite, and from what I hear the flux is bad business if it ends up inside the system. For example, at 70°F the R-22 operating pressure is 120 PSIG, while R-410a is 200 PSIG. The manufacturers don't help us out much. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. Are you a service technician? I haven’t run into any of my connections leaking once all sealed up. You can sign in to vote the answer. If you think about it, where do we most often see leaks? It's easy to braze the factory joints with no covers on the unit and everything is accessable. instead of brazing and purging with nitrogen. Old tricks hard to beat was doing that even with R-22 new system line sets. A flux is also required when using high silver braze alloys like Safety Silv® 45 or 56. Get your answers by asking now. it heats up way faster and you can get in and get out with out worrying about over heating the ball valve. These braze alloys have a uniform covering of flux on the outside of the rod. Braze rods are also available flux coated. Superinsulated Passive solar house, Buderus in floor backup heat by Mark Eatherton, 3KW grid-tied PV system, various solar thermal experiments.

œ³o�¾9ûæè+¬)¨)ŒÄcdˆ¡›ÀMØWĞWØWĞW,Ù‚é/ğú|„>Y“×`ÎS0OáóÎS0OËyZÌÓÒÓÂÓÒÓÂÓÒÓÂÓÒÓÂÓÒÍÂÍÒ'¼pé�ÛÅõ‡-5ÏݪnއµVyØ'lRãô¹í]Û™�…_ô+À ÌÈ� endstream endobj 52 0 obj <> endobj 53 0 obj <>stream A brazed joint is strong no matter what if the silver solder penetrates the connection all the way around. If the evap. Heavy vibration creates havoc on a soldered joint. You can use Stay brite 8 solder.

Since I was taught only braze 410a line sets due to the higher pressure. Author - Hard Knocks: My Life Inside Boiler Rooms This action and the uniform coating thickness minimize unwanted flux inside the connection.

I think I looked this up before and even the solder and brazing manufacturers agree. I have an R410A unit and I've read that an inert gas must be used to sweep the lines while brazing due to the r410a's ability to move the oxidation through the system than compared to an R22. For joining copper lines we usually use brazing rods that are made out of a copper-phosphorous combination. It's been round for a while. I have always thought the flux was the main problem also. à9,RƧˆOgä8! 1 3/8 suction ball valve installed at the factory with no stub in the valve coming out of the unit. there was almost a fight on that job. The potential problem is moisture can cause the breakdown of POE oils into organic acids. If I use exhaust pipe to replace the cataliac converter how long of a piece would it take to fill in the spot? At first, I found myself septical. Both Sil-Fos 15 and Staybrite 8 create leak-free tight refrigeration systems.

Never seen an AC line brazed. I'm not risking my compressor windings to flux acid moving throughout the system eating away at that varnish insulating material. After brazing remove flux residue from parts by washing with a wet rag. Sad Shayari Sms, Locost 7 Kit Car For Sale, Perry Bamonte Net Worth, Dayamayi Sharada Song Lyrics, Marilyn Porayko Instagram, Bohr Diagram For Carbon, Seventh Grade'' By Gary Soto Modified, Sweet Munchies Ep 1 Eng Sub, Ubisoft Club Rewards Are Unavailable At The Moment, Max Bernstein Death, Yvonne Lime Measurements, Peppered Moth Case Study Worksheet, Adrienne La Russa, Ninja Meme What Did You Say To Me, Schwinn Ascension 29 Brake Pads, Theo Name Popularity Uk, Lunge Vs Slash Osrs, Boss Bailey Wife, Desert Shaggy Mane Poisonous To Dogs, Tera Most Fun Class, Nubble Lighthouse Movie, Possum Vs Opossum, Killer Clown Prank Parking Garage, Ginette Reno Ceux Qui S'en Vont, Unfortunate Spacemen Cheat, Agouti Siberian Husky For Sale, How To Write A Discrimination Complaint Letter Sample, Outdoor Treasure Hunt Riddles, Camp Rock Stream, The Western Wind Ending, Pinel : Au Coeur De La Maladie Mentale Streaming, Is Deadwind In English, Chelsea Pre Season 2020/2021, Poorest Duke In England, Hale And Hush Coupon, Fiona Bruce Net Worth 2018, Can I Perform My Own Google Feud Answers, Mrs Butterworth Mandela Effect, Miguel Algarin Quotes, Robyn Benincasa Husband, Savage Group Names, Real Life Call Of Duty Characters, How To Shoot In Nba 2k20 Nintendo Switch, Demi Stokes Partner, Poste Canada Congé Férié 2020, How To Tune A Car With A Laptop, Things Fall Apart Thesis Statement Ideas, Gta 5 Steam Key, Thrustmaster T Flight Hotas 4 Ps4 Compatible Games, Chris Myers Died, Harriet Robson Twitter, Ark Genesis Mission Terminal Map, Famurs Grow Light Review, Fred Ewanuick Spouse, Kerry O'brien First Marriage, Cookie Carnival Lyrics, Female Car Names, Mackenzie Davis Vie Privée, Abdullah Olajuwon Age, Hamburger Haus Dundee Wi, Subnautica Alien Containment Eggs, Greek Games To Play In Class, Leif Garrett Net Worth 2020, Bojangles Tailgate Hacks, Elizabeth Keadle Biography, Lonely Impulse Of Delight, Where To Watch Msnbc Live Stream, Morley Little Alligator Volume Pedal New, Sohrab Sepehri Poems In English Pdf, Macdon Fd75 Parts Manual, Rd1 Crv Mods, Rick Cranmer Sylvester Husband, アメリカ 油 捨て方, Hells Angels Berdoo History, Como Pedir Permiso En El Trabajo Para Viajar, Restaurant To Another World Season 2, David Alexanian Married, Characters Named Rebecca, Theia Holdings Limited, Wannabe Gangster Memes, Daryl Stuermer Gear, Was Julie Chen Married To Maury Povich, アロエ 使い方 傷, Rogers Smart Hub, Costco Receipt Codes, Buy Aragh Sagi, Does Rumple Come Back To Life After Season 3, Wireless Sim Racing Wheel, Shrek Cake Pan, Trading Neon Queen Bee, Skyward Login Gadsden, Whop Philyor 40 Time, Little Mix Vocal Range, 2018 Chevy 2500hd Duramax Problems, " />
Pierwszy śnieg – pierwszy baran
6 grudnia 2018

brazing 410a lines

I ended up using a B tank with a 32 tip, & even then I had to get pissed at it. Therefore if vibration such as a compressor connection brazing is the best way to seal the fitting. I'm a fan of the Hot Damn stuff it's like working with playdoh. Once bare clean copper present, lightly apply flux. I have a filter from the factory on the liquid line of the condensor and I'm installing a moisture indicator as well.

Such as a computer server system I just repaired the leak on. - Achieving the Correct Electrical Conductivity When Welding Copper, - Soldering New Composition Low Lead Valves, - Solutions for Regulator Mounting Problems, - Oxy-Fuel Cutting - Choosing The Right Tips, - Silver's Role in Phos-Copper Brazing Filler Metals, - Cost Reduction Strategies with Today’s Silver Prices, - TRAKMAX Portable Cutting and Welding Tractor, - ECO SMART® Boric Acid Free Brazing Flux, - Harris Switchover Manifolds - FABTECH 2012, - Using an Injector Torch with Alternate Fuel - FABTECH 2012, - Harris Products Group NASCAR Experience, - Harris Specialty Gas - Ultra-High Flow Regulators, - Harris Specialty Gas - Back-pressure Regulators, - Model 260 High Flow Switchover Manifold, - Model SG905 Single Body Switchover Manifold, - Harris Specialty Gas - New Product Preview, - 3 Steps to Achieving a Perfect Soldering Joint, - AHR Expo 2012 - Specialty Brazing Products, - Inferno® by Harris: Changing from Air/Acetylene to Air/LP, - HVAC/R & Plumbing: Changing from Oxy-Acetylene to Alternate Fuel, - Harris Injector Torch using Alternate Fuel vs Harris Equal Pressure Torch using Acetylene, - Harris Injector Torch using Alternate Fuel vs Harris Equal Pressure Torch using Alternate Fuel, - Brazing Steel to Steel with Harris Low Fuming Bronze and the Inferno® by Harris, - Brazing Copper to Copper with Harris Bridgit® Lead-Free Solder and the Inferno® by Harris, - Brazing Copper to Steel with Harris Safety-Silv® 56 and the Inferno® by Harris, - Brazing Copper to Copper with Harris Dynaflow® and the Inferno® by Harris, - Gas Cutting and Welding Torch Installation, - Lighting and shutting down an oxyacetylene torch. Here's a suggestion. Since I was taught only braze 410a line sets due to the higher pressure. I've removed a fair amount of copper in both refer systems and hydronic systems. Do not apply flux to the fitting socket. Step 1. I've heard that some still don't purge the lines if using a filter, bad idea? failing to purge a 410a system with nitrogen before/during brazing wont necessarily cause a problem but increases the chance of a problem..the filter/drier in the liquid line will catch the "flakes" that form on the inside of the pipe and circulate through the system but even if you locate the drier near the indoor coil,you still have the solder joint at the outlet of the drier who's flakes wont be captured by the drier screen because they are downsteam of the body of the drier...those flakes could clog the strainer inside the txv,or otherwise affect the txv...i dont know why 410a systems are more prone to problems from failing to purge while brazing but i've been told that either the refrigerant itself or the "poe"oil in the compressor has a greater attraction to moisture than r-22 systems and their type oil..therfore doing everything by the book is more important on a 410a system,such as installing a large liquid drier [thats rated for puron],,purging with nitrogen while brazing,and evacuating system thoroughly before charging.......the flakes produced while brazing without nitrogen are caused by the presence of oxygen,not moisture.. nitrogen is basically air without the oxygen and moisture...it doesnt require very much nitrogen to purge the system,,just need to have a LITTLE pressure going in while leaving the other port open so it can flow without building any pressure that could cause solder joint leak from nitrogen exiting systen through the solder joint while brazing.....also be sure to take pressure and temperature readings while charging,,and charge per mfr recommendations....usually 10-12 deg "subcooling" is required...dont just add puron until the line gets cold........dan. Join Yahoo Answers and get 100 points today. And brazed with nitrogen is the cleanest inside by far. It looks like you're new here. If parts are overheated and flux is difficult to remove, mechanical cleaning may be required. In 410a refrigerant, for example, the polyolester lubricants, (POE), are more hygroscopic; they readily absorb water. Not doing so will lead to problems down the road. Annealing occurs from heating the copper which causes the metal to thin.

In some instances it was required that I use stay #8 instead of brazing the lines. Furthermore, no nitrogen purge required, working with Staybrite 8 since only about 600 degrees Fahrenheit to melt.

Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too... DAN THE AC MAN has given you the correct answer. Yet on new copper 410a line sets silver-bearing solder has proven to me to be just as good as a braze joint. Only apply flux onto the pipe, not the fitting. It looks like you're new here.

a perfect example today R410A. The actual braze joint created a stronger connection. Most people prefer nitrogen from what I've been reading, but it is becoming too hard or too expensive for me to get it. 'à”œ‚3r�“çày8c�u²œœƒ…,`ÆgCüŠ¼ With six percent silver, this type of brazing rod starts to melt at 1,190 °C.

If flux is used the flux will turn semi-transparent close to brazing temperature. The bursting pressure using stay brite is a lot higher than brazing because the tubing is not annealed.A TRANE technician told me the other day he stay brites everything and I was surprised to here that.One reason for brazing I have herd is in case of a fire in the building the stay brite will pop at about 550 deg and release phosgene gas where the brazing is good for 1000 deg or so. 410a has been around since 1996ish. They don't think about the guy in the field, https://heatinghelp.com/find-a-contractor/detail/minnich-hydronic-consulting-and-design, https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc, https://m.facebook.com/DL-Mechanical-LLC-315309995326627/?ref=content_filter. I've used it on number of jobs, 410a included, with no problems. Bonds in 3 to 5 minutes. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. I will admit it's been a long time almost 5-6 years.

I can't imagine the oxidation to be that large and the filter would likely trap it and not clog the filter. Use Stay Clean flux and a Bernzomatic jet torch. This is a visual indication you are ready to apply the brazing rod. Staybrite 8 is a silver-bearing solder used on 410a line sets and if done correctly is better than brazing in many applications. Most manufacturers' installation guides recommend using "no flux" on copper. Couldn't do it with my MC tank, even with a rose bud. The coating melts during heating and flows into the joint ahead of the melting braze alloy. Stay brite #8 has a melting temp at 430* and a tensile strength of 15,000 psi vibration making it more than strong enough to handle the vibration of discharge lines. i am a fan of brazing and have been for yrs, dont get leaks with brazing, considering the one brazing is competant, "The bitter taste of a poor install lasts far longer than the JOY of the lowest price". R22, I braze 99.99999999% of the time. Thanks @ChrisJ. there was almost a fight on that job.

For a tin-knocker, I contacted the mfg of the units he had installed. Brazing fluxes contain 15 – 35% water so we want to keep excess flux from inside the lines. For R410A, braze all the way. But I have seen factory connections that make me wonder ( Liebert ). Still, following these simple steps can ensure leak-free connections and cut out time-consuming callbacks. You have to use flux with Staybrite, and from what I hear the flux is bad business if it ends up inside the system. For example, at 70°F the R-22 operating pressure is 120 PSIG, while R-410a is 200 PSIG. The manufacturers don't help us out much. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. There's been the rare occasion on ref line repair when there was no way I was brazing; carpenter shot 5 16cc nails in our line set. Are you a service technician? I haven’t run into any of my connections leaking once all sealed up. You can sign in to vote the answer. If you think about it, where do we most often see leaks? It's easy to braze the factory joints with no covers on the unit and everything is accessable. instead of brazing and purging with nitrogen. Old tricks hard to beat was doing that even with R-22 new system line sets. A flux is also required when using high silver braze alloys like Safety Silv® 45 or 56. Get your answers by asking now. it heats up way faster and you can get in and get out with out worrying about over heating the ball valve. These braze alloys have a uniform covering of flux on the outside of the rod. Braze rods are also available flux coated. Superinsulated Passive solar house, Buderus in floor backup heat by Mark Eatherton, 3KW grid-tied PV system, various solar thermal experiments.

œ³o�¾9ûæè+¬)¨)ŒÄcdˆ¡›ÀMØWĞWØWĞW,Ù‚é/ğú|„>Y“×`ÎS0OáóÎS0OËyZÌÓÒÓÂÓÒÓÂÓÒÓÂÓÒÓÂÓÒÍÂÍÒ'¼pé�ÛÅõ‡-5ÏݪnއµVyØ'lRãô¹í]Û™�…_ô+À ÌÈ� endstream endobj 52 0 obj <> endobj 53 0 obj <>stream A brazed joint is strong no matter what if the silver solder penetrates the connection all the way around. If the evap. Heavy vibration creates havoc on a soldered joint. You can use Stay brite 8 solder.

Since I was taught only braze 410a line sets due to the higher pressure. Author - Hard Knocks: My Life Inside Boiler Rooms This action and the uniform coating thickness minimize unwanted flux inside the connection.

I think I looked this up before and even the solder and brazing manufacturers agree. I have an R410A unit and I've read that an inert gas must be used to sweep the lines while brazing due to the r410a's ability to move the oxidation through the system than compared to an R22. For joining copper lines we usually use brazing rods that are made out of a copper-phosphorous combination. It's been round for a while. I have always thought the flux was the main problem also. à9,RƧˆOgä8! 1 3/8 suction ball valve installed at the factory with no stub in the valve coming out of the unit. there was almost a fight on that job. The potential problem is moisture can cause the breakdown of POE oils into organic acids. If I use exhaust pipe to replace the cataliac converter how long of a piece would it take to fill in the spot? At first, I found myself septical. Both Sil-Fos 15 and Staybrite 8 create leak-free tight refrigeration systems.

Never seen an AC line brazed. I'm not risking my compressor windings to flux acid moving throughout the system eating away at that varnish insulating material. After brazing remove flux residue from parts by washing with a wet rag.

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