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Rifles, Reloading, Optics, Equipment
Gunsmithing
Air Compressor - Piping for Gunsmithing Equipment
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<blockquote data-quote="Mike Matteson" data-source="post: 2534836" data-attributes="member: 101791"><p>Most air tools operate @ 90psi. 175psi is fine. Schedule 40 should be good. I would use primer a long with the welding the parts together. Be sure as placing couplers Tees, and other pieces together, that they don't move away from each other. so you will need to hold that joint together for 30 sec. or so before releasing. Don't let the weld down the pipe as much as possible. There going to be some, not huge amounts. No water while welding the joints together. Where you convert to steel connection from PVC be sure to support at those intersection by attaching to the wall. At tee intersection to allow a connection to rubber air line. I would use a tee's that is SxSxS and add at a pipe extension by about 6" (be sure it fixed to the wall so you can't brake it off, and if you want to cut into it later on, you have room to add and put back together). and place a S x Male adaptor to thread too. I wouldn't use S-By-female adaptor, because the connection likes to split. Be sure use a good pipe dope on the threaded connections. As it normally goes, the hose is never long enough. Also support along the runs every some many feet also. Most PVC has a pressure rating on the pipe. The purple primer is needed, because the schedule 40 is harder, and just straight welder doesn't work as well. The other is PVC can have problems over the years if exposed to direct sun light. Indirect not a problem. One more thing is make sure your joints are clean and free of cutting is clean off if using s hacksaw. I would go to a larger pipe D.I. too. Every turn creates a restriction, and CFM lost. So the larger the pipe the less pressure loss. So you need to look at what the CFM requirements for the tools you are going to use, and is rated at per minutes. So you largest tool will set the rate of CFM. Impact wrenches are generally rated @ 90PSI, CFM requires for each are different sizes. You can do the research on CFM requirements as to what is needed. Straight air to blow things off requires more CFM. I have had Plastic pipe underground for over 60yrs. with out any problems. That pipe then was as good as now.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2534836, member: 101791"] Most air tools operate @ 90psi. 175psi is fine. Schedule 40 should be good. I would use primer a long with the welding the parts together. Be sure as placing couplers Tees, and other pieces together, that they don't move away from each other. so you will need to hold that joint together for 30 sec. or so before releasing. Don't let the weld down the pipe as much as possible. There going to be some, not huge amounts. No water while welding the joints together. Where you convert to steel connection from PVC be sure to support at those intersection by attaching to the wall. At tee intersection to allow a connection to rubber air line. I would use a tee's that is SxSxS and add at a pipe extension by about 6" (be sure it fixed to the wall so you can't brake it off, and if you want to cut into it later on, you have room to add and put back together). and place a S x Male adaptor to thread too. I wouldn't use S-By-female adaptor, because the connection likes to split. Be sure use a good pipe dope on the threaded connections. As it normally goes, the hose is never long enough. Also support along the runs every some many feet also. Most PVC has a pressure rating on the pipe. The purple primer is needed, because the schedule 40 is harder, and just straight welder doesn't work as well. The other is PVC can have problems over the years if exposed to direct sun light. Indirect not a problem. One more thing is make sure your joints are clean and free of cutting is clean off if using s hacksaw. I would go to a larger pipe D.I. too. Every turn creates a restriction, and CFM lost. So the larger the pipe the less pressure loss. So you need to look at what the CFM requirements for the tools you are going to use, and is rated at per minutes. So you largest tool will set the rate of CFM. Impact wrenches are generally rated @ 90PSI, CFM requires for each are different sizes. You can do the research on CFM requirements as to what is needed. Straight air to blow things off requires more CFM. I have had Plastic pipe underground for over 60yrs. with out any problems. That pipe then was as good as now. [/QUOTE]
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Air Compressor - Piping for Gunsmithing Equipment
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