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    I'm putting 3/4 Black Iron pipe in my garage for airlines.

    I understand I need to put some unions in, for future work and repairs.
    Can someone tell me where they should go (notice I didn't ask where I should put them)?

    What should I use for strut hangers (super-strut etc.) to hang on my top plates, studs and ceiling joists? Clamps, too.

    I have to go along the top of the wall, then across under the joists to the other side.

    [IMG][/IMG]
    Attached Files
    Last edited by ligito; 06-08-2009, 07:30 PM.
    Millermatic 211 AutoSet w/MVP
    Century 110 volt 90/110 MIG-Gone to my son, in Texas
    Victor SuperRange OA
    Milwaukee Cold Cut Saw
    Milwaukee Portable Deep Cut Bandsaw
    Milwaukee Hole Hawg
    Jet Horizontal/Vertical Bandsaw
    Jet MD-18 Mill Drill
    Orbit Drill Press
    12 Ton Floor Press
    2002 E-350 V-10:
    1983 F-150 4.9L 6
    2004 Honda ST1300
    2007 Suzuki LTA400F Quad
    1997 Suzuki DR650

  • #2
    I would use at least one for sure marked by your compressor and two would be better.
    You can use all thread and some angle iron for the hangers laid across the joists. Be sure to use double nuts or lock nuts...Bob
    Attached Files
    Last edited by aametalmaster; 06-08-2009, 07:43 PM.
    Bob Wright

    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

    Comment


    • #3
      Originally posted by ligito View Post
      I'm putting 3/4 Black Iron pipe in my garage for airlines.

      I understand I need to put some unions in, for future work and repairs.
      Can someone tell me where they should go (notice I didn't ask where I should put them)?

      What should I use for strut hangers (super-strut etc.) to hang on my top plates, studs and ceiling joists? Clamps, too.

      I have to go along the top of the wall, then across under the joists to the other side.

      [IMG][/IMG]
      A safe answer is at least one union everytime you change direction. You do not want to have to break out two or more different runs to make a repair or add a drop.

      Griff

      Comment


      • #4
        One. Where the main line leaves the tank. The rest of the lines will require no unions as it will outlast the compressor unit.

        Comment


        • #5
          Originally posted by griff01 View Post
          A safe answer is at least one union everytime you change direction. You do not want to have to break out two or more different runs to make a repair or add a drop.

          Griff
          Don't for get to put drip legs on the bottom of every drop and install a valve on each drip leg to blow out any water... Bob

          Comment


          • #6
            it would be a good idea to have a valve at each branch for isolation. This will allow you to keep your air system in service while doing repairs to certain branches. I know that this will add cost to the project but this is how we do this kind of thing in the oil field. On the safety side of things make double sure that you install hardware with presure ratings greater than what the compressor can put out. Although it does not contain a hazardous material components failing at low pressures (< 500 psi) can cause major damage.
            Garrett R. Durio
            Millermatic 180
            Dewalt 14" chop saw
            B&D 7" grinder
            Skill 4 1/2" Grinder
            www.myspace.com/garrettdurio

            Comment


            • #7
              A nice pdf file below from TP Blasting's site:

              http://www.tptools.com/StaticText/ai...ng-diagram.pdf

              Below links are to two products that make installing ceiling pipe runs much easier...along with some all thread. The conduit hanger is a bit small as it is sized for tubing instead of pipe, but it will work well with a longer bolt and it's cheap...check your big box store's electrical aisle. The double end hanger bolt is very easy to install with a pilot hole and a screw gun/drill. Vary the length of your all thread and you can easily allow for a slope for moisture to drain down the length of the run.
              Attached Files
              Last edited by WyoRoy; 06-09-2009, 02:16 AM.
              Miller 251...sold the spoolgun to DiverBill.
              Miller DialArc 250
              Lincoln PrecisionTig 275
              Hypertherm 900 plasma cutter
              Bridgeport "J" head mill...tooled up
              Jet 14 X 40 lathe...ditto
              South Bend 9" lathe...yeah, got the change gears too
              Logan 7" shaper
              Ellis 3000 band saw
              Hossfeld bender w/shopbuilt hyd.
              Victor Journeyman torch and gauges
              3 Gerstner boxes of mostly Starrett tools
              Lots of dust bunnies
              Too small of a shop at 40 X 59.

              Comment


              • #8
                i have seen some people use a large diameter vertical pipe right off of the compressor to help trap moisture and provide some cooling capacity. make sure it gets a drain!
                Dynasty 200 DX
                Millermatic 175
                Spectrum 375
                All kinds of Smith OA gear

                Comment


                • #9
                  WyoRoy-

                  I bought some of the clamps that you showed.
                  Do I have to bolt them in, or will they stay in the strut by themselves?

                  I went to WhiteCapPro Supply to buy 10 but they were so cheap that I got 20.

                  If I omit the West and South pipe run(those that don't have lengths noted), it will save some work, money and grief, is that a bad thing?

                  I cut my Superstrut into lengths that allow me to have a clamp in the center and I can use screws and washers in the other 2 holes, for hanging on the joists.
                  I'm using the other style clamp (the type that hooks into the strut), to mount on the walls, or top plate
                  Last edited by ligito; 06-09-2009, 05:56 PM.
                  Millermatic 211 AutoSet w/MVP
                  Century 110 volt 90/110 MIG-Gone to my son, in Texas
                  Victor SuperRange OA
                  Milwaukee Cold Cut Saw
                  Milwaukee Portable Deep Cut Bandsaw
                  Milwaukee Hole Hawg
                  Jet Horizontal/Vertical Bandsaw
                  Jet MD-18 Mill Drill
                  Orbit Drill Press
                  12 Ton Floor Press
                  2002 E-350 V-10:
                  1983 F-150 4.9L 6
                  2004 Honda ST1300
                  2007 Suzuki LTA400F Quad
                  1997 Suzuki DR650

                  Comment


                  • #10
                    Always allow yourself room to grow.

                    ligito,

                    Here is some rules I used on my air manifold.

                    I used 1" for the main lines and 1/2" for the short feeders (But I have a 20HP 3 Phase compressor with a 1" Big Joe regulator set at 100psi plumbed in with a bypass valve for those uncooperative bolts )

                    The larger your pipe the more air you have in reserve (I estimate I have 25 - 30 gal capacity in my line w / 10 hose reels and 90+ air chucks)

                    Bolt the a/c to the floor with anchor bolts. Tie the a/c into the manifold with the woven SS / Teflon lined hose as it cuts down on rattles. Install a tank valve and shut it at night

                    The first pipe make as vertical / tall as possible and like posted earlier allow for a drain. most of your moisture will drop out here and at the tank (I use an automatic tank drain)

                    Use a tee or a cross anyplace you think you might want to run a spur line (it is a lot easier to pull the plug than unscrew pipe).Use lot's of unions as posted (it sucks having to undo a run to fix a leak

                    Always allow a low spot on each wall to drain water. Allow for air hose reels ect down the road..

                    Have fun with the project
                    Steve

                    Bobcat 250EFI

                    Syncrowave 250

                    Millermatic 350P

                    Hypertherm 1250

                    A Bunch of tools

                    And a forklift to move the heavy stuff with..

                    Torchmate 2x2 CNC Plasma

                    It's Miller Time - Get Back To Work!

                    Comment


                    • #11
                      I used a hydraulic hose from my comp to my piping one to help with the vibrations and it also has a swivel end so no union is needed...Bob
                      Bob Wright

                      Spool Gun conversion. How To Do It. Below.
                      http://www.millerwelds.com/resources...php?albumid=48

                      Comment


                      • #12
                        Originally posted by ligito View Post
                        WyoRoy-

                        I bought some of the clamps that you showed.
                        Do I have to bolt them in, or will they stay in the strut by themselves?
                        __________
                        I didn't realize you were using uni-strut. You could have gone with uni-strut clamps, but they are more money. Ran mine with those double end lag bolts, all-thread and the conduit clamps.
                        __________


                        If I omit the West and South pipe run(those that don't have lengths noted), it will save some work, money and grief, is that a bad thing?
                        __________
                        It's your shop, have at it any way that makes ya' happy.
                        __________

                        I cut my Superstrut into lengths that allow me to have a clamp in the center and I can use screws and washers in the other 2 holes, for hanging on the joists.
                        I'm using the other style clamp (the type that hooks into the strut), to mount on the walls, or top plate
                        __________
                        With the double end lag bolts you probably shouldn't need uni-strut, but if you like the installation...have at it.
                        __________
                        Miller 251...sold the spoolgun to DiverBill.
                        Miller DialArc 250
                        Lincoln PrecisionTig 275
                        Hypertherm 900 plasma cutter
                        Bridgeport "J" head mill...tooled up
                        Jet 14 X 40 lathe...ditto
                        South Bend 9" lathe...yeah, got the change gears too
                        Logan 7" shaper
                        Ellis 3000 band saw
                        Hossfeld bender w/shopbuilt hyd.
                        Victor Journeyman torch and gauges
                        3 Gerstner boxes of mostly Starrett tools
                        Lots of dust bunnies
                        Too small of a shop at 40 X 59.

                        Comment


                        • #13
                          DeVilbiss says to slope pipes up from the compressor, Sharpe says to slope them down, away from the compressor. Which is preferable?
                          Millermatic 211 AutoSet w/MVP
                          Century 110 volt 90/110 MIG-Gone to my son, in Texas
                          Victor SuperRange OA
                          Milwaukee Cold Cut Saw
                          Milwaukee Portable Deep Cut Bandsaw
                          Milwaukee Hole Hawg
                          Jet Horizontal/Vertical Bandsaw
                          Jet MD-18 Mill Drill
                          Orbit Drill Press
                          12 Ton Floor Press
                          2002 E-350 V-10:
                          1983 F-150 4.9L 6
                          2004 Honda ST1300
                          2007 Suzuki LTA400F Quad
                          1997 Suzuki DR650

                          Comment


                          • #14
                            Originally posted by WyoRoy View Post
                            A nice pdf file below from TP Blasting's site:

                            http://www.tptools.com/StaticText/ai...ng-diagram.pdf

                            Below links are to two products that make installing ceiling pipe runs much easier...along with some all thread. The conduit hanger is a bit small as it is sized for tubing instead of pipe, but it will work well with a longer bolt and it's cheap...check your big box store's electrical aisle. The double end hanger bolt is very easy to install with a pilot hole and a screw gun/drill. Vary the length of your all thread and you can easily allow for a slope for moisture to drain down the length of the run.
                            Where do you find the hanger bolts?
                            My local industrial supply doesn't have them.
                            Millermatic 211 AutoSet w/MVP
                            Century 110 volt 90/110 MIG-Gone to my son, in Texas
                            Victor SuperRange OA
                            Milwaukee Cold Cut Saw
                            Milwaukee Portable Deep Cut Bandsaw
                            Milwaukee Hole Hawg
                            Jet Horizontal/Vertical Bandsaw
                            Jet MD-18 Mill Drill
                            Orbit Drill Press
                            12 Ton Floor Press
                            2002 E-350 V-10:
                            1983 F-150 4.9L 6
                            2004 Honda ST1300
                            2007 Suzuki LTA400F Quad
                            1997 Suzuki DR650

                            Comment


                            • #15
                              Originally posted by ligito View Post
                              Where do you find the hanger bolts?
                              My local industrial supply doesn't have them.
                              Mine does. I'll stop by in the morning when I get off work and see what the brand name and supplier is.
                              Miller 251...sold the spoolgun to DiverBill.
                              Miller DialArc 250
                              Lincoln PrecisionTig 275
                              Hypertherm 900 plasma cutter
                              Bridgeport "J" head mill...tooled up
                              Jet 14 X 40 lathe...ditto
                              South Bend 9" lathe...yeah, got the change gears too
                              Logan 7" shaper
                              Ellis 3000 band saw
                              Hossfeld bender w/shopbuilt hyd.
                              Victor Journeyman torch and gauges
                              3 Gerstner boxes of mostly Starrett tools
                              Lots of dust bunnies
                              Too small of a shop at 40 X 59.

                              Comment

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