Jun. 17, 2024
Oil and gas powers the entire world. Generators, vehicles, and machine equipment of all types use oil and gas to run well, and have been providing the U.S. with power for more than a century and a half. The first oil pipeline in the U.S. was built, as far as experts can tell, in in Pennsylvania. From these humble beginnings, the oil and gas industry has grown to huge proportions. And it&#;s all possible &#; and all safer &#; thanks to titanium pipe fittings. How important are they? You&#;ll be surprised when you find out.
You can find more information on our web, so please take a look.
Titanium is an extremely strong metal. In fact, this metal was named after the mighty Titans of Greek mythology because it&#;s such a strong material. But titanium&#;s real power is its resistance to corrosion. This metal resists corrosion from seawater, chlorines, and aqua regia. It has an amazing strength-to-density ratio, which means that it&#;s strong even when it&#;s thin and lightweight. Because titanium is so strong and so resistant to corrosion, it&#;s the perfect material for the oil and gas industry. That&#;s why titanium pipe fittings are so important.
Oil and gas pipelines of all kinds use pipe fittings, and titanium pipe fittings are incredibly strong and dependable. Piping systems can develop leaks and various kinds of clogs and other problems that prevent oil and gas from moving smoothly through the piping system. This means that ultimately, gas and oil can&#;t get where it needs to go. Pipelines of all sizes use pipe fittings and pipe flanges in order to reroute pipes, make new routes, and complete other important tasks. Many pipelines have branch connections to route oil and gas in multiple different places.
Titanium pipe fittings are some of the strongest and best materials to use for these pipelines. These pipe fittings are designed to be used on pipelines both big and small, from the major pipelines that deliver thousands of gallons of gas and oil to businesses all over the country to the mom-and-pop gas stations that provide neighborhood service to vehicles in the community. It all matters and it&#;s all thanks to the various pipes that are used to transport oil and gas. Titanium pipe fittings make it possible for those pipelines to remain in good working order and keep the gas and oil flowing in the right direction.
When it comes to deciding on the right materials for the job, a quality distributor can be your best friend. A company like Lynco Flange and Fitting has been in business for almost 40 years and can help supply you with the right parts, like high-quality titanium pipe fittings, that you and your projects demand. To learn more about our titanium pipe fittings and other products, please contact us today and a knowledgeable Lynco Flange and Fitting salesperson will be happy to provide you with more information!
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is a certain titanium flange adapted to my requirements? EN -1 standard applicable?
2
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MVPs
(Industrial)
(OP)
12 Jan 14 07:43Hi,Correct me if I'm wrong, but I think that titanium flanges are not really standardized, are they? However, they seem not too uncommon:In Europe or elsewhere, do they usually have the same dimensions as standard steel, or aluminium flanges?For my application (40 bar at 250°C), if the flange was steel, I would refer to EN -1 and pick a PN 63, DN 150 (Type 11 welding neck).Unfortunately, EN -1 to EN -4 standards are for steel, cast iron, copper (and composite materials...) and aluminium alloys and that's it.I have never used the EN -1 standard and don't have access to it yet, but would it indicate me if a titanium flange, with dimensions according to EN -1, is suited to my requirements?FYI, EN -1 is the EN standard forI've read that thecould be useful in this context, but " unfortunately this would result in gasket dependent ratings ". Sounds reasonable, right?Would that be the preferred route for a European engineer, though?This work has certainly been done numerous times in the last few decades, am I missing something?Thanks for reading!
(Mechanical)
13 Jan 14 03:11The preferred route might be to use EN standards, as (at least what I read from your post) you're EU-based, so this will most likely assume the highest conformance to EU directives and such.Most EU-based NoBo's and clients however nowadays will accept ASME standards more easily, so applying VIII-1 app 2 would be OK, I think.In the context of the PED 97/23/EC I'm sure you're on the good page if you need to qualify such a 'custom'-engineered Ti-flange for a category application.Now here coems the fun part. EN -1 calculations are very though, from what I understand, and far less easy than VIII-1 app 2 (allthough it took us quite some hours to standardize an excel calc. sheet for an VIII-1 app 2 flange, its still way less than what EN -1 would require - I believe it cant even be done through excel).As an alternative, for EN -1 flanges, you might want to look into purchase TEMES fl.cal It's a piece of software designed by AMTEC, which is run by (amongst others) Manferd Schaaf. I met him at last years ASME PVP, and he's a great guy when it comes to knowledge on flanges joints. let alone one of the experts worldwide in this field.Furthermore Manfred is in the committee for EN standards, he should be able to answer most of your questions, so I think AMTEC should be able to give you great support.PS: never, ever, do any automated software calculations without knowing the technical background of these calculations. Check EN first to have a rough understanding of it's rules. Doing the complete and exact calc yourself however is I think too time consuming.How all this happened in the past is a big question to me too. It would be great if any experienced engineers could shed some light on that.Maybe the former DIN standards covered Ti-flanges.On a side note; a few months ago I had to use EN flanges in Alloy C-276, or at least flanges with a bolt pitch circle diameter that could be attached to EN-flanges.They did not 'exist' (in the books), although I could easily get them. We bought them with ASTM material requirements.The way we qualified them for the pipe spec was to do an VIII-1 app. 2 calc on the flanges, assuming a minimum external load (force and moment), to calculate if it would be strong enough, and if it would leak or not.
(Industrial)
(OP)
2 Mar 14 13:44thank you very much! that was long ago but I thought just "staring" your post would do, since I didn't have much to add.so for anyone facing a similar situation, here's what I'm concluding:- start with a geometry (e.g. EN -1 PN 63, DN 150, Type 11, Form B)- get your material's properties in ASME BPVC Section II, Part D (the only known for Ti)- then:this can be done with the help of software such as TEMES fl.cal (costs at least EUR and for Ti you need to enter allowable stress values manually) or others*.- continue with choice of gasket, bolts (actually you should have a rough idea about that before doing the previous work)*: does anyone know FlangeValid, for instance? the company's website flangevalid.com has awesome ressources on flange joints, especially in German. they also mention the following software: TÜV DIMy, PV-Elite, Compress and Probadhere's a bit of context: this work is for my studies (almost no supervision), but the client and his needs are real. as a result:PS: I don't think any DIN standard ever covered Ti-flanges.
(Chemical)
3 Mar 14 07:36The reason titanium isn't a B16.5 standard flange material is that it's a waste of material to make a whole flange from this stuff.
Yes, you can buy small 150# blinds, and there are a few occasions when you have a flange wetted on the outside etc. (then the big question is, what do you use for flange bolting?). Unlike with Hastelloy, there's little to no advantage to having the same material through thickness: unalloyed titanium has a high strength to weight ratio but is weaker, particularly at temperature, than much cheaper but less corrosion resistant materials. Most of the time, you'd be better off with a lap joint stub end and a backing flange made out of something cheaper than using a solid titanium flange. If it's a true blind, all you need is full face gasket. If you're drilling and tapping a blind, you're stuck doing an ASME Appendix 2 calculation using the properties of the plate or forging the flange was made from.
(Mechanical)
3 Mar 14 10:39As an aside, you can buy B16.5 pattern flanges made of PVC, but they are NOT B16.5 flanges.
Regards,
Mike
(Mechanical)
3 Mar 14 11:12Same for Ti-gr.2Quote:
As an aside, you can buy B16.5 pattern flanges made of PVC, but they are NOT B16.5 flanges.
Same for Ti-gr.2
(Mechanical)
3 Mar 14 12:30I agree with moltenmetal... Virtually no one specifies solid TI bolted flangesRecently, I was involved with a series of Ti-GR2 vessels with flanged nozzles.I received bids from all major US & Canadian fabricators. I asked about pressure/temperature ratings for the Class 150 flanged nozzles.They told me:- The titanium equivalent to the ASME B16.5 pressure-temperature ratings do not exist- All flanged nozzles on TI based equipment are lap joint type with carbon steel backing rings.- If I were to provide operating temperatures/pressures and nozzle loads, they would be happy to provide an FEA analysis (for an additional fee)
MJCronin
Sr. Process Engineer
Venture Engineering & Construction
www.VentureEngr.com
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Oil and gas powers the entire world. Generators, vehicles, and machine equipment of all types use oil and gas to run well, and have been providing the U.S. with power for more than a century and a half. The first oil pipeline in the U.S. was built, as far as experts can tell, in in Pennsylvania. From these humble beginnings, the oil and gas industry has grown to huge proportions. And it&#;s all possible &#; and all safer &#; thanks to titanium pipe fittings. How important are they? You&#;ll be surprised when you find out.
Titanium is an extremely strong metal. In fact, this metal was named after the mighty Titans of Greek mythology because it&#;s such a strong material. But titanium&#;s real power is its resistance to corrosion. This metal resists corrosion from seawater, chlorines, and aqua regia. It has an amazing strength-to-density ratio, which means that it&#;s strong even when it&#;s thin and lightweight. Because titanium is so strong and so resistant to corrosion, it&#;s the perfect material for the oil and gas industry. That&#;s why titanium pipe fittings are so important.
Oil and gas pipelines of all kinds use pipe fittings, and titanium pipe fittings are incredibly strong and dependable. Piping systems can develop leaks and various kinds of clogs and other problems that prevent oil and gas from moving smoothly through the piping system. This means that ultimately, gas and oil can&#;t get where it needs to go. Pipelines of all sizes use pipe fittings and pipe flanges in order to reroute pipes, make new routes, and complete other important tasks. Many pipelines have branch connections to route oil and gas in multiple different places.
Titanium pipe fittings are some of the strongest and best materials to use for these pipelines. These pipe fittings are designed to be used on pipelines both big and small, from the major pipelines that deliver thousands of gallons of gas and oil to businesses all over the country to the mom-and-pop gas stations that provide neighborhood service to vehicles in the community. It all matters and it&#;s all thanks to the various pipes that are used to transport oil and gas. Titanium pipe fittings make it possible for those pipelines to remain in good working order and keep the gas and oil flowing in the right direction.
When it comes to deciding on the right materials for the job, a quality distributor can be your best friend. A company like Lynco Flange and Fitting has been in business for almost 40 years and can help supply you with the right parts, like high-quality titanium pipe fittings, that you and your projects demand. To learn more about our titanium pipe fittings and other products, please contact us today and a knowledgeable Lynco Flange and Fitting salesperson will be happy to provide you with more information!
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS
FIRST NAME
*
LAST NAME
*
*
MESSAGE
*
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Thanks. We have received your request and will respond promptly.
Log In
Are you an
Engineering professional?
Join Eng-Tips Forums!
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is a certain titanium flange adapted to my requirements? EN -1 standard applicable?
2
thread794- Forum Search FAQs Links MVPsForum
Search
FAQs
Links
MVPs
(Industrial)
(OP)
12 Jan 14 07:43Hi,Correct me if I'm wrong, but I think that titanium flanges are not really standardized, are they? However, they seem not too uncommon:In Europe or elsewhere, do they usually have the same dimensions as standard steel, or aluminium flanges?For my application (40 bar at 250°C), if the flange was steel, I would refer to EN -1 and pick a PN 63, DN 150 (Type 11 welding neck).Unfortunately, EN -1 to EN -4 standards are for steel, cast iron, copper (and composite materials...) and aluminium alloys and that's it.I have never used the EN -1 standard and don't have access to it yet, but would it indicate me if a titanium flange, with dimensions according to EN -1, is suited to my requirements?FYI, EN -1 is the EN standard forI've read that thecould be useful in this context, but " unfortunately this would result in gasket dependent ratings ". Sounds reasonable, right?Would that be the preferred route for a European engineer, though?This work has certainly been done numerous times in the last few decades, am I missing something?Thanks for reading!
(Mechanical)
13 Jan 14 03:11The preferred route might be to use EN standards, as (at least what I read from your post) you're EU-based, so this will most likely assume the highest conformance to EU directives and such.Most EU-based NoBo's and clients however nowadays will accept ASME standards more easily, so applying VIII-1 app 2 would be OK, I think.In the context of the PED 97/23/EC I'm sure you're on the good page if you need to qualify such a 'custom'-engineered Ti-flange for a category application.Now here coems the fun part. EN -1 calculations are very though, from what I understand, and far less easy than VIII-1 app 2 (allthough it took us quite some hours to standardize an excel calc. sheet for an VIII-1 app 2 flange, its still way less than what EN -1 would require - I believe it cant even be done through excel).As an alternative, for EN -1 flanges, you might want to look into purchase TEMES fl.cal It's a piece of software designed by AMTEC, which is run by (amongst others) Manferd Schaaf. I met him at last years ASME PVP, and he's a great guy when it comes to knowledge on flanges joints. let alone one of the experts worldwide in this field.Furthermore Manfred is in the committee for EN standards, he should be able to answer most of your questions, so I think AMTEC should be able to give you great support.PS: never, ever, do any automated software calculations without knowing the technical background of these calculations. Check EN first to have a rough understanding of it's rules. Doing the complete and exact calc yourself however is I think too time consuming.How all this happened in the past is a big question to me too. It would be great if any experienced engineers could shed some light on that.Maybe the former DIN standards covered Ti-flanges.On a side note; a few months ago I had to use EN flanges in Alloy C-276, or at least flanges with a bolt pitch circle diameter that could be attached to EN-flanges.They did not 'exist' (in the books), although I could easily get them. We bought them with ASTM material requirements.The way we qualified them for the pipe spec was to do an VIII-1 app. 2 calc on the flanges, assuming a minimum external load (force and moment), to calculate if it would be strong enough, and if it would leak or not.
(Industrial)
(OP)
2 Mar 14 13:44thank you very much! that was long ago but I thought just "staring" your post would do, since I didn't have much to add.so for anyone facing a similar situation, here's what I'm concluding:- start with a geometry (e.g. EN -1 PN 63, DN 150, Type 11, Form B)- get your material's properties in ASME BPVC Section II, Part D (the only known for Ti)- then:this can be done with the help of software such as TEMES fl.cal (costs at least EUR and for Ti you need to enter allowable stress values manually) or others*.- continue with choice of gasket, bolts (actually you should have a rough idea about that before doing the previous work)*: does anyone know FlangeValid, for instance? the company's website flangevalid.com has awesome ressources on flange joints, especially in German. they also mention the following software: TÜV DIMy, PV-Elite, Compress and Probadhere's a bit of context: this work is for my studies (almost no supervision), but the client and his needs are real. as a result:PS: I don't think any DIN standard ever covered Ti-flanges.
(Chemical)
3 Mar 14 07:36The reason titanium isn't a B16.5 standard flange material is that it's a waste of material to make a whole flange from this stuff.
Yes, you can buy small 150# blinds, and there are a few occasions when you have a flange wetted on the outside etc. (then the big question is, what do you use for flange bolting?). Unlike with Hastelloy, there's little to no advantage to having the same material through thickness: unalloyed titanium has a high strength to weight ratio but is weaker, particularly at temperature, than much cheaper but less corrosion resistant materials. Most of the time, you'd be better off with a lap joint stub end and a backing flange made out of something cheaper than using a solid titanium flange. If it's a true blind, all you need is full face gasket. If you're drilling and tapping a blind, you're stuck doing an ASME Appendix 2 calculation using the properties of the plate or forging the flange was made from.
(Mechanical)
3 Mar 14 10:39As an aside, you can buy B16.5 pattern flanges made of PVC, but they are NOT B16.5 flanges.
Regards,
Mike
(Mechanical)
3 Mar 14 11:12Same for Ti-gr.2Quote:
As an aside, you can buy B16.5 pattern flanges made of PVC, but they are NOT B16.5 flanges.
Same for Ti-gr.2
(Mechanical)
3 Mar 14 12:30I agree with moltenmetal... Virtually no one specifies solid TI bolted flangesRecently, I was involved with a series of Ti-GR2 vessels with flanged nozzles.I received bids from all major US & Canadian fabricators. I asked about pressure/temperature ratings for the Class 150 flanged nozzles.They told me:- The titanium equivalent to the ASME B16.5 pressure-temperature ratings do not exist- All flanged nozzles on TI based equipment are lap joint type with carbon steel backing rings.- If I were to provide operating temperatures/pressures and nozzle loads, they would be happy to provide an FEA analysis (for an additional fee)
MJCronin
Sr. Process Engineer
Venture Engineering & Construction
www.VentureEngr.com
Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.
Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.
Click Here to join Eng-Tips and talk with other members! Already a Member? Login
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