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#1
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Compressed Air Plumbing for Shop
I am going to route compressed air from my compressor location to one
or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB |
#2
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Compressed Air Plumbing for Shop
I went cheap. I bought 100' from Harbor Freight of 3/8 line. Its stiff,
but I live in a ranch and wanted some drops in the shop and all the way out to the garage. I used up all the hose in a run. I picked up some tees and 3/8 barbs and made drops with tees offering a connection point and drain valve. It is great. The hose did have to be returned because it just was not well made, the second hose has done well. $19 for the hose on sale, and probably 20 in Ts, ball valves and quick connects. A lot better than moving my compressor from the basement to the garage over and over, or running a hose up the stairs and letting all the bugs in. Plus it's easy enough to add drops by cutting the main line and sticking a new T in. If you are worried about 3/8, get the 1/2 line, there's some Goodyear line both rubber and plyovac (sp??) On 5/17/2012 12:07 PM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB |
#3
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Compressed Air Plumbing for Shop
On 5/17/2012 11:07 AM, RonB wrote:
I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB I like tiredospam would go the air "hose" route. QUICK and cheaper. |
#4
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Compressed Air Plumbing for Shop
RonB wrote:
I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Easy Ron - stay away from PVC. Unless of course, it is grounded (NO - that was a joke...). Use either black pipe or copper. Copper is better, but for most uses, black pipe is just fine. Just be sure to put down drops and drains below every attachment point in the lines. For a 50' run or two, the cost is not going to be so great as to even worry about the economy of PVC. So - do not get comfortable with that idea. -- -Mike- |
#5
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Compressed Air Plumbing for Shop
"RonB" wrote in message ... I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB Avoid the PVC. An alternative though, is other plastic air hoses made for that purpose. They are flexible and at worst, will split rather than shatter. Black pipe is a good way to go. Durable and reasonably priced. I just paid $1.25 a foot for some. Copper is better, but much more costly. TIP: Once you figure where you want the drops, add two or three more. If you are joining two lengths, use a tee and plug rather than a coupler. You'll be thankful in a year or five when you want to add another leg. |
#6
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Compressed Air Plumbing for Shop
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#8
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Compressed Air Plumbing for Shop
"RonB" wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. ---------------------------------- Avoid PVC like it was a bomb, because that is exactly what pvc pipe and compressed air create. 1/2" pipe is too small for distribution piping. Run at least 1" pipe. You can buy 5 ft precut and threaded pipe nipples from a plumbing supply house. Connect nipples with a "Tee" with side pointed up toward ceiling. Add 2, 1/2" Street ells and reducer bushing at the tee so that the outlet is now pointing down. Add 1/2?" hose with a quick connect fitting to reach belt high for quick connect. Incline 1" pipe about 1/2"/12" run. Add petcock at end of 1" run to drain. Have fun. BTDT, don't need the T-Shirt. Lew |
#9
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Compressed Air Plumbing for Shop
On 5/17/2012 10:07 AM, RonB wrote:
I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB I have copper but I did it before the price went *way* up. I know of a lot of places (tire shops, etc.) that have black pipe. I personally wouldn't hesitate to use schedule 80 PVC but then I never exceed 120 psi on my compressor. Max |
#10
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Compressed Air Plumbing for Shop
On Thu, 17 May 2012 12:47:52 -0400, "Mike Marlow"
wrote: RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Easy Ron - stay away from PVC. Unless of course, it is grounded (NO - that was a joke...). Use either black pipe or copper. Copper is better, but for most uses, black pipe is just fine. Just be sure to put down drops and drains below every attachment point in the lines. For a 50' run or two, the cost is not going to be so great as to even worry about the economy of PVC. So - do not get comfortable with that idea. Worked in a plant where the air lines were PVC they went BANG about once a year. Not nice for your ears if it was near you. Non static loads of being pressurized and depressurized weakens the PVC joints. Mark |
#11
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Compressed Air Plumbing for Shop
On 5/17/2012 11:07 AM, RonB wrote:
I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB everyone will poo poo the pvc idea, but i've had it in my shop for decades. Sweat copper works well also. I personally wouldn't screw (no pun intended) with the black iron. It'll rust inside and be a mess in the filters and separators. -- Steve Barker remove the "not" from my address to email |
#12
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Compressed Air Plumbing for Shop
In article ,
Markem wrote: On Thu, 17 May 2012 12:47:52 -0400, "Mike Marlow" wrote: RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Easy Ron - stay away from PVC. Unless of course, it is grounded (NO - that was a joke...). Use either black pipe or copper. Copper is better, but for most uses, black pipe is just fine. Just be sure to put down drops and drains below every attachment point in the lines. For a 50' run or two, the cost is not going to be so great as to even worry about the economy of PVC. So - do not get comfortable with that idea. Worked in a plant where the air lines were PVC they went BANG about once a year. Not nice for your ears if it was near you. Non static loads of being pressurized and depressurized weakens the PVC joints. Mark This periodically gets beat to death on rec.crafts.metalwoking. Search their archives. The general consensus is that PVC is not a good idea because of the shrapnel when a PVC line goes boom. CP |
#13
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Compressed Air Plumbing for Shop
On May 17, 9:07*am, RonB wrote:
I am going to route compressed air from my compressor location to one or two other positions in my shop. *I am looking at about 50 or more feet of plumbing. * I Googled some information regarding PVC, and while it is economical, I still am not comfortable. *I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB PVC is not an appropriate material for compressed air piping. It can be subject to brittle / explosive failure. http://www.osha.gov/dts/hib/hib_data/hib19880520.html cheers Bob |
#14
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Compressed Air Plumbing for Shop
On May 17, 8:12*pm, Steve Barker wrote:
On 5/17/2012 11:07 AM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. *I am looking at about 50 or more feet of plumbing. * I Googled some information regarding PVC, and while it is economical, I still am not comfortable. *I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB everyone will poo poo the pvc idea, but i've had it in my shop for decades. * Sweat copper works well also. *I personally wouldn't screw (no pun intended) with the black iron. *It'll rust inside and be a mess in the filters and separators. -- Steve Barker remove the "not" from my address to email Steve- Just because you have used PVC for compressed air for decades and have not suffered a failure does not counter the scientific evidence that PVC is not an appropriate material for delivery of compressed air. http://www.lni.wa.gov/Safety/Basics/HazAlerts/902.asp The fact that your PVC has not failed or caused injury is merely anecdotal. cheers Bob |
#15
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Compressed Air Plumbing for Shop
On Thu, 17 May 2012 22:12:31 -0500, Steve Barker
wrote: everyone will poo poo the pvc idea, but i've had it in my shop for decades. Good for you, but I'd never take the chance. In industry, it is an OSHA violation. It has been proven to fail. |
#16
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Compressed Air Plumbing for Shop
On Thu, 17 May 2012 20:40:48 -0700, Pilgrim
wrote: In article , Markem wrote: On Thu, 17 May 2012 12:47:52 -0400, "Mike Marlow" wrote: RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Easy Ron - stay away from PVC. Unless of course, it is grounded (NO - that was a joke...). Use either black pipe or copper. Copper is better, but for most uses, black pipe is just fine. Just be sure to put down drops and drains below every attachment point in the lines. For a 50' run or two, the cost is not going to be so great as to even worry about the economy of PVC. So - do not get comfortable with that idea. Worked in a plant where the air lines were PVC they went BANG about once a year. Not nice for your ears if it was near you. Non static loads of being pressurized and depressurized weakens the PVC joints. Mark This periodically gets beat to death on rec.crafts.metalwoking. Search their archives. The general consensus is that PVC is not a good idea because of the shrapnel when a PVC line goes boom. CP And it is WHEN, not IF. |
#17
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Compressed Air Plumbing for Shop
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#18
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Compressed Air Plumbing for Shop
On 5/18/2012 1:34 AM, DD_BobK wrote:
On May 17, 8:12 pm, Steve wrote: On 5/17/2012 11:07 AM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB everyone will poo poo the pvc idea, but i've had it in my shop for decades. Sweat copper works well also. I personally wouldn't screw (no pun intended) with the black iron. It'll rust inside and be a mess in the filters and separators. -- Steve Barker remove the "not" from my address to email Steve- Just because you have used PVC for compressed air for decades and have not suffered a failure does not counter the scientific evidence that PVC is not an appropriate material for delivery of compressed air. http://www.lni.wa.gov/Safety/Basics/HazAlerts/902.asp The fact that your PVC has not failed or caused injury is merely anecdotal. cheers Bob i noticed that is a governmental link. Is this the same government that has allowed 0bummer to drive us into socialism? Osha and government opinions are of no consequence to me. -- Steve Barker remove the "not" from my address to email |
#19
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Compressed Air Plumbing for Shop
On 5/18/2012 5:04 AM, Ed Pawlowski wrote:
On Thu, 17 May 2012 22:12:31 -0500, Steve Barker wrote: everyone will poo poo the pvc idea, but i've had it in my shop for decades. Good for you, but I'd never take the chance. In industry, it is an OSHA violation. It has been proven to fail. yeah well, they say (now) not to use soft copper for NG lines and hookups. But that's all we had for almost a century. Also, ALL the NG lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? -- Steve Barker remove the "not" from my address to email |
#20
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Compressed Air Plumbing for Shop
Steve Barker writes:
how long does it take? the shop i retired from was built in '74 or so The biggest problem is with impact damage. Something strikes the PVC which is under pressure and it fails catastrophically. Enclosing it in suitable materials to prevent impacts and contain the fragments is allowable. They do recommend a max of 100psi when using protected or buried PVC. scott |
#21
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Compressed Air Plumbing for Shop
On Fri, 18 May 2012 18:12:46 -0500, Steve Barker
And it is WHEN, not IF. how long does it take? the shop i retired from was built in '74 or so and was still doing fine when i left in '06. (160 psi kick off pressure) Also, my own garage has had pvc air plumbing for almost the same length of time. Only 130 psi at home. You really are an obnoxious snot aren't you? |
#22
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Compressed Air Plumbing for Shop
On Fri, 18 May 2012 18:14:18 -0500, Steve Barker
i noticed that is a governmental link. Is this the same government that has allowed 0bummer to drive us into socialism? Osha and government opinions are of no consequence to me. It appears very little is of consequence to you. |
#23
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Compressed Air Plumbing for Shop
On Fri, 18 May 2012 18:16:25 -0500, Steve Barker
lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? Hmmmmm.... real world or a*hole. You are so full of yourself aren't you? It's a real education watching you make a fool of yourself with most every message. |
#24
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Compressed Air Plumbing for Shop
On May 18, 4:14*pm, Steve Barker wrote:
On 5/18/2012 1:34 AM, DD_BobK wrote: On May 17, 8:12 pm, Steve *wrote: On 5/17/2012 11:07 AM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. *I am looking at about 50 or more feet of plumbing. * I Googled some information regarding PVC, and while it is economical, I still am not comfortable. *I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB everyone will poo poo the pvc idea, but i've had it in my shop for decades. * Sweat copper works well also. *I personally wouldn't screw (no pun intended) with the black iron. *It'll rust inside and be a mess in the filters and separators. -- Steve Barker remove the "not" from my address to email Steve- Just because you have used PVC for compressed air for decades and have not suffered a failure does not counter the scientific evidence that PVC is not an appropriate material for delivery of compressed air. http://www.lni.wa.gov/Safety/Basics/HazAlerts/902.asp The fact that your PVC has not failed or caused injury is merely anecdotal. cheers Bob i noticed that is a governmental link. *Is this the same government that has allowed 0bummer to drive us into socialism? *Osha and government opinions are of no consequence to me. -- Steve Barker remove the "not" from my address to email Steve- Sometimes you make useful contributions to news group discussions, sometimes your ignorance knows no bounds. This current discussion falls in the later category. Check the date on the osha letters. Hmmmm looks like Reagan or Bush was president. Further, if you read the notice from the private company PLASTICS PIPE INSTITUTE 355 LEXINGTON AVENUE, NEW YORK, N.Y.10017 212-370-7341 RECOMMENDATION B THERMOPLASTIC PIPING FOR THE TRANSPORT OF COMPRESSED AIR OR OTHER COMPRESSED GASES Adopted January 19, 1972 The Plastics Pipe Institute recommends against the use of thermoplastic pipe to transport compressed air or other compressed gases or the testing of such piping with compressed air or other compressed gases in exposed above ground locations, e.g. in exposed plant piping. It is recommended that all thermoplastic piping used to transport compressed air or other compressed gases be buried underground or encased in shatter-resistant materials. In designing thermoplastic piping to transport compressed air or other compressed gases, the strength at the operating temperature, the pressure, the energetics, and specific failure mechanism need to be evaluated. Colonial Engineering Inc. Thermoplastic Piping Systems So govt & OSHA directives hold no sway with you........looks like it started as a non-government initiative. I guess next you'll be arguing against changes / updates to seismic design code because they're based on "pencil pusher" research & analysis? cheers Bob |
#25
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Compressed Air Plumbing for Shop
In article ,
Steve Barker wrote: ...other stuff snipped... This periodically gets beat to death on rec.crafts.metalwoking. Search their archives. The general consensus is that PVC is not a good idea because of the shrapnel when a PVC line goes boom. ... snipped... how long does it take? the shop i retired from was built in '74 or so and was still doing fine when i left in '06. (160 psi kick off pressure) Also, my own garage has had pvc air plumbing for almost the same length of time. Only 130 psi at home. Look he http://www.osha.gov/dts/hib/hib_data/hib19880520.html Warnings from OSHA and some state agencies, including an incident where an employee suffered a broken nose and facial cuts. Even if you are willing to take the risk, in a commercial setting it will be an OSHA violation with potential fine if there is an OSHA inspection. -- When the game is over, the pawn and the king are returned to the same box. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar.org |
#26
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Compressed Air Plumbing for Shop
In article ,
Steve Barker wrote: ... snipped ... yeah well, they say (now) not to use soft copper for NG lines and hookups. But that's all we had for almost a century. Also, ALL the NG lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? So if you drive drunk 50 times without an accident, then ... Use a grinder without eye protection for years without getting something in your eye... Stood in a puddle once when using 120V power tools and nothing happened... But don't worry about that, I'm sure those NG anecdotes prove that your PVC air plumbing will be safe. -- When the game is over, the pawn and the king are returned to the same box. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar.org |
#27
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Compressed Air Plumbing for Shop
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#28
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Compressed Air Plumbing for Shop
In article ,
says... On 5/18/2012 1:34 AM, DD_BobK wrote: On May 17, 8:12 pm, Steve wrote: On 5/17/2012 11:07 AM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB everyone will poo poo the pvc idea, but i've had it in my shop for decades. Sweat copper works well also. I personally wouldn't screw (no pun intended) with the black iron. It'll rust inside and be a mess in the filters and separators. -- Steve Barker remove the "not" from my address to email Steve- Just because you have used PVC for compressed air for decades and have not suffered a failure does not counter the scientific evidence that PVC is not an appropriate material for delivery of compressed air. http://www.lni.wa.gov/Safety/Basics/HazAlerts/902.asp The fact that your PVC has not failed or caused injury is merely anecdotal. cheers Bob i noticed that is a governmental link. Is this the same government that has allowed 0bummer to drive us into socialism? Osha and government opinions are of no consequence to me. So what means does the government of the state of Washington have to resist "0bummer"? As for OSHA and government opinions, OSHA reports several incidents of PVC used for compressed air shattering with resulting injuries. http://www.osha.gov/dts/hib/hib_data/hib19880520.html You can ignore those reports if you wish, however if someone is in your shop and gets injured when your pipes decide to blow (and you know that by Murphy's Law the guy who gets injured will be related to the best liability lawyer in the state) then you're going to find that the courts will not ignore them. Of course you may be one of those arrogant fools who thinks that it can't happen to him or that he'll be able to ignore the court. Good luck with that. |
#29
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Compressed Air Plumbing for Shop
On Fri, 18 May 2012 20:09:47 -0400, Dave wrote:
On Fri, 18 May 2012 18:12:46 -0500, Steve Barker And it is WHEN, not IF. how long does it take? the shop i retired from was built in '74 or so and was still doing fine when i left in '06. (160 psi kick off pressure) Also, my own garage has had pvc air plumbing for almost the same length of time. Only 130 psi at home. You really are an obnoxious snot aren't you? Plonk #1 |
#30
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Compressed Air Plumbing for Shop
On Fri, 18 May 2012 20:14:30 -0400, Dave wrote:
On Fri, 18 May 2012 18:16:25 -0500, Steve Barker lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? Hmmmmm.... real world or a*hole. You are so full of yourself aren't you? It's a real education watching you make a fool of yourself with most every message. Plonk #2. Into the black hole with you. |
#31
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Compressed Air Plumbing for Shop
Seattle breeds a lot of them.
------- "Jim Weisgram" wrote in message ... Plonk #1 |
#32
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Compressed Air Plumbing for Shop
....and ignoring gun controls.
-------- "DD_BobK" wrote in message ... So govt & OSHA directives hold no sway with you........looks like it started as a non-government initiative. I guess next you'll be arguing against changes / updates to seismic design code because they're based on "pencil pusher" research & analysis? cheers Bob |
#33
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Compressed Air Plumbing for Shop
Yup, fine example of the pot calling....
-- "Jim Weisgram" wrote in message ... On Fri, 18 May 2012 20:14:30 -0400, Dave wrote: On Fri, 18 May 2012 18:16:25 -0500, Steve Barker lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? Hmmmmm.... real world or a*hole. You are so full of yourself aren't you? It's a real education watching you make a fool of yourself with most every message. Plonk #2. Into the black hole with you. |
#34
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Compressed Air Plumbing for Shop
On 5/18/2012 7:09 PM, Dave wrote:
On Fri, 18 May 2012 18:12:46 -0500, Steve Barker And it is WHEN, not IF. how long does it take? the shop i retired from was built in '74 or so and was still doing fine when i left in '06. (160 psi kick off pressure) Also, my own garage has had pvc air plumbing for almost the same length of time. Only 130 psi at home. You really are an obnoxious snot aren't you? no, why? A simple ask and answer situation as i see it. -- Steve Barker remove the "not" from my address to email |
#35
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Compressed Air Plumbing for Shop
On 5/18/2012 7:14 PM, Dave wrote:
On Fri, 18 May 2012 18:16:25 -0500, Steve Barker lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? Hmmmmm.... real world or a*hole. You are so full of yourself aren't you? It's a real education watching you make a fool of yourself with most every message. Dave, i don't know what's up your ass, but i just try to go through life without interference from other people. I don't get in their business and don't expect them to get into mine. Everyone seems to be uptight about something and always going off about nothing. So, if you have a problem with me then filter me out. And thanks for calling me names. It's real grown up of you. Don't bother to reply, i've already filtered you out. -- Steve Barker remove the "not" from my address to email |
#36
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Compressed Air Plumbing for Shop
On 5/19/2012 8:57 AM, Jim Weisgram wrote:
On Fri, 18 May 2012 20:14:30 -0400, wrote: On Fri, 18 May 2012 18:16:25 -0500, Steve Barker lines i pulled out of my 140 year old house were galvanized. They say don't do that either. Hmmmmm.... real world, or pencil pusher??? Hmmmmm.... real world or a*hole. You are so full of yourself aren't you? It's a real education watching you make a fool of yourself with most every message. Plonk #2. Into the black hole with you. yeah, i plonked him also. -- Steve Barker remove the "not" from my address to email |
#37
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Compressed Air Plumbing for Shop
On Sat, 19 May 2012 11:34:54 -0500, Steve Barker
no, why? A simple ask and answer situation as i see it. Why? You were given a substantial amount of advice, most of it pertaining to your safety and you tossed it aside as being completely irrelevant. That's why you're an obnoxious snot. |
#38
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Compressed Air Plumbing for Shop
Hmmm seems as though most everyone is assuming Sch 40 PCV pipe
not the hose sold specifically for air distribution. Seems like black pipe, while adaptable for the task is very difficult to work with and VERY difficult to easily add additional ports in the future. I don't think the PVC specifically for air distribution will shatter and explode, just rupture at the weak point. Otherwise the hose reels for air distribution (like I have in my shop) would not be practicable. IMHO Marty On 5/17/2012 12:07 PM, RonB wrote: I am going to route compressed air from my compressor location to one or two other positions in my shop. I am looking at about 50 or more feet of plumbing. I Googled some information regarding PVC, and while it is economical, I still am not comfortable. I have come down to using standard 1/2" black gas pipe and fittings. Any other ideas, drawbacks, etc. Thanks RonB -- Thanksbr br Marty Kovacsbr Vermont State Technical Coordinatorbr br 802-224-9040br |
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Compressed Air Plumbing for Shop
On Sat, 19 May 2012 13:05:21 -0400, Marty
wrote: Hmmm seems as though most everyone is assuming Sch 40 PCV pipe not the hose sold specifically for air distribution. Correct. It is made for liquid, not compressed gas. Seems like black pipe, while adaptable for the task is very difficult to work with and VERY difficult to easily add additional ports in the future. Yes, unless you have threading equipment available. I don't think the PVC specifically for air distribution will shatter and explode, just rupture at the weak point. Otherwise the hose reels for air distribution (like I have in my shop) would not be practicable. Yes, it is a different material and is used extensively. We have thousands of feet of that type in our shop, but you'll never find an inch of PVC water tubing. |
#40
Posted to rec.woodworking
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Compressed Air Plumbing for Shop
On May 19, 12:05*pm, Marty wrote:
Hmmm seems as though most everyone is assuming Sch 40 PCV pipe not the hose sold specifically for air distribution. Seems like black pipe, while adaptable for the task is very difficult to work with and VERY difficult to easily add additional ports in the future. I am not going to use PVC. Black pipe was was pretty much my going-in position when I started thinking about it and when I posted this. I am not ruling out pipe but as I Googled around I found some interesting approaches using regular air hose and shop made copper terminations. This is one of them -- http://americanwoodworker.com/blogs/...-with-air.aspx No decision yet, but this has appeal. My shop is a 1,024 sf garage that shares space with cars, but adequate. I use a french-cleat wall rail system that allows me to move cabinets and racks pretty easily if I want to change configuration of certain areas. The hose approach seem flexible because you can change routing and add service points fairly easily. Fabricating the individual copper service points might be a little fiddly, but when made they can be used in different places if I switch stuff around. Pipe - not so easy. No decision yet but I'm kinda liking the hose system. Ron |
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