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#1
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Gas piping question
What do you call the elbow installed at the gas meter that allows a
gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). |
#2
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Gas piping question
On 4/16/2012 12:02 AM, wrote:
What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...ucing+ tee&aq =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.&pb x=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 -- ___________________________________ Keep the whole world singing . . . Dan G remove the seven |
#4
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Gas piping question
On Mon, 16 Apr 2012 08:11:51 -0400, wrote:
On Mon, 16 Apr 2012 01:04:43 -0500, DanG wrote: On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...ucing+ tee&aq =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.& pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 Nope - a reducing Tee is same size straight through, with reduced size off the side. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. Unless there's a reducing tee I have not found a picture of yet. |
#5
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Gas piping question
On 4/16/2012 8:11 AM, wrote:
On Mon, 16 Apr 2012 01:04:43 -0500, wrote: On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...ucing+ tee&aq =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.&pb x=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 Nope - a reducing Tee is same size straight through, with reduced size off the side. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. Its still a tee. A real supply house is where you would buy it. |
#6
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Gas piping question
On Apr 16, 8:30*am, George wrote:
On 4/16/2012 8:11 AM, wrote: On Mon, 16 Apr 2012 01:04:43 -0500, *wrote: On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? *Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. *Reducing bushing is not allowed here. *Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...psy-ab&q=iron+... =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.&pb x=1&bav=on.2,or.r_gc.r_pw*.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 * Nope - a reducing Tee is same size straight through, with reduced size off the side. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. Its still a tee. A real supply house is where you would buy it.- Hide quoted text - - Show quoted text - I would agree. I'd call it a reducing tee. The more common type is with the smaller fitting at the middle of the tee, but they come in other flavors too. Best bet is to go to a real plumbing supply. Even if they call it a fooji manuuli, that's where you're going to find it. |
#7
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Gas piping question
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#8
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Gas piping question
On Apr 16, 9:27*am, Doug Miller
wrote: wrote : *Nope - a reducing Tee is same size straight through, with reduced size off the side. Wrong. A reducing tee is *any* tee in which the fittings aren't all the same size. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. No, you don't. You need a reducing tee. You need this, right? 1" ---------------- 1/2" * * * * | * * * * | * * * * 1" It's called a 1 -- 1/2 -- 1 reducing tee. might be easier to avoid tapping the meter area and run a line from somewhere else sometimes trying to minimize parts used costs a lot more in frustration and hassles |
#9
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Gas piping question
On 4/16/2012 12:02 AM, wrote:
What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). http://www.lowes.com/webapp/wcs/stores/servlet /ProductDisplay?langId=-1&storeId=10151&catalogId=10051&cId=SEARCH& productId=3418836&cm_mmc=SCE_gps-_-gps-_-gps-_-Mueller%201%22%20x%201 %22%20x%201/2%22%20Black%20Iron%20Tee&CAWELAID=1072248017 Don't know if Lowes covers you or not but there's the reducing tee wanted...had to split the url for line-length, sorry. -- |
#11
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Gas piping question
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#12
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Gas piping question
On Mon, 16 Apr 2012 08:30:41 -0400, George
wrote: On 4/16/2012 8:11 AM, wrote: On Mon, 16 Apr 2012 01:04:43 -0500, wrote: On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...ucing+ tee&aq =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.&pb x=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 Nope - a reducing Tee is same size straight through, with reduced size off the side. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. Its still a tee. A real supply house is where you would buy it. I found it. It is a 1X1X1/2, AKA DT331. |
#13
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Gas piping question
On Mon, 16 Apr 2012 06:10:52 -0700 (PDT), "
wrote: On Apr 16, 8:30Â*am, George wrote: On 4/16/2012 8:11 AM, wrote: On Mon, 16 Apr 2012 01:04:43 -0500, Â*wrote: On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Â*Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Â*Reducing bushing is not allowed here. Â*Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). Typically called a reducing tee. Sample: http://www.google.com/webhp?hl=en&ta...psy-ab&q=iron+... =f&aqi=&aql=1&gs_l=hp.3...3322l8913l 0l9368l22l17l0l5l5l0l187l1547l13j4l22l0.pfwc.1.&pb x=1&bav=on.2,or.r_gc.r_pwÂ*.r_qf.,cf.osb&fp=3226d3 7ade666d03&biw=832&bih=490 Â* Nope - a reducing Tee is same size straight through, with reduced size off the side. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. Its still a tee. A real supply house is where you would buy it.- Hide quoted text - - Show quoted text - I would agree. I'd call it a reducing tee. The more common type is with the smaller fitting at the middle of the tee, but they come in other flavors too. Best bet is to go to a real plumbing supply. Even if they call it a fooji manuuli, that's where you're going to find it. Yup - Marks had it in stock - DT331 reducing Tee -1X1X1/2 as coared to the common 1X1/2X1 |
#14
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Gas piping question
On Mon, 16 Apr 2012 13:27:52 +0000 (UTC), Doug Miller
wrote: wrote in : Nope - a reducing Tee is same size straight through, with reduced size off the side. Wrong. A reducing tee is *any* tee in which the fittings aren't all the same size. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. No, you don't. You need a reducing tee. You need this, right? 1" ---------------- 1/2" | | 1" It's called a 1 -- 1/2 -- 1 reducing tee. According to my supply house a 1X1X1/2. DT331 3 is 1 inch, 2 is 3/4" and 1 is 1/2", so a 331 is 1X1X1/2, and if it was a 332 it woould be 1X1X3/4, and they are spec'd leg, t, leg, so a straight reducing t with 1" on both ends and a 1/2" tap off the side would be a 313, and with a 3/4" tap would be a 323. If one of the legs is 1 1/4", it is a 4. a 1 1/2" is a 5 D for ductile, T for Tee. A ductile Elbow is a DB, with a 45 for 45 degrees, 90 for no, etc, and the same numbering system for sizes - so a 1X1 90 is a db9033, and a reducing 1 to 1/2 is a db9031.. Have not looked at street elbows and reducing street elbows - but there does appear to be a sys |
#15
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Gas piping question
On Mon, 16 Apr 2012 06:35:25 -0700 (PDT), bob haller
wrote: On Apr 16, 9:27Â*am, Doug Miller wrote: wrote : Â*Nope - a reducing Tee is same size straight through, with reduced size off the side. Wrong. A reducing tee is *any* tee in which the fittings aren't all the same size. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. No, you don't. You need a reducing tee. You need this, right? 1" ---------------- 1/2" Â* Â* Â* Â* | Â* Â* Â* Â* | Â* Â* Â* Â* 1" It's called a 1 -- 1/2 -- 1 reducing tee. might be easier to avoid tapping the meter area and run a line from somewhere else sometimes trying to minimize parts used costs a lot more in frustration and hassles No place else to tap from with the grille location 10 feet from the meter and all the rest of the piping inside the house, going the other direction. |
#16
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Gas piping question
On Mon, 16 Apr 2012 09:03:09 -0500, dpb wrote:
On 4/16/2012 12:02 AM, wrote: What do you call the elbow installed at the gas meter that allows a gas grill (1/2" steel ) line to be tapped off at the meter? Pipe comes up from meter, elbow in 1" pipe, with 1/2" pipe out the top. Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here. Neighbour's house has the fitting I'm looking for so I know they exist (or did sometime in the last 30 years). http://www.lowes.com/webapp/wcs/stores/servlet /ProductDisplay?langId=-1&storeId=10151&catalogId=10051&cId=SEARCH& productId=3418836&cm_mmc=SCE_gps-_-gps-_-gps-_-Mueller%201%22%20x%201 %22%20x%201/2%22%20Black%20Iron%20Tee&CAWELAID=1072248017 Don't know if Lowes covers you or not but there's the reducing tee wanted...had to split the url for line-length, sorry. Yup, that's the sucker all right. None of our local "retail" hardware establishments carried it - the trade warehouse did. |
#17
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Gas piping question
On Mon, 16 Apr 2012 13:06:51 -0500, dpb wrote:
On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? Apparently a nipple and reducing fitting (bell fitting) is allowed.But it takes up a lot more space. |
#18
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Gas piping question
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#19
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Gas piping question
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#20
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Gas piping question
On Mon, 16 Apr 2012 21:23:24 +0000 (UTC), Doug Miller
wrote: wrote in : On Mon, 16 Apr 2012 13:27:52 +0000 (UTC), Doug Miller wrote: wrote in : Nope - a reducing Tee is same size straight through, with reduced size off the side. Wrong. A reducing tee is *any* tee in which the fittings aren't all the same size. I need an elbow with the reduced size off the end, big pipe makes a 90, small pipe heads off straight. No, you don't. You need a reducing tee. You need this, right? 1" ---------------- 1/2" | | 1" It's called a 1 -- 1/2 -- 1 reducing tee. According to my supply house a 1X1X1/2. You still don't have this right. The nomenclature for a tee specifies the sizes of the ends, then the side. So a 1 x 1 x 1/2 tee has 1" fittings on the ends, and 1/2" on the side. Well, I have the one I need in my hands, and their spec is 331 |
#21
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Gas piping question
f you haven't already figured it out, I was wrong in my post where I said
the Tee would be a 1"x1"x1/2" I should have said 1"x1/2"x1" -- Better to be stuck up in a tree than tied to one. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar.org |
#22
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Gas piping question
In article , dpb wrote:
On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? -- Code for gas piping often prohibits use of bushings and instead mandates bell-style reducers (either with both ends female threads or street-style, where larger end is female thread and smaller is male. The explanation I've always heard is that sediment or deposits may accumulate at the "ledge" formed where the bushing screws in to the fitting. This was taken to an extreme years ago, where you would actually also see reducing fittings of various types with the smaller diameter offset from the center. These were made to be installed with the small diameter at the bottom on horizontal runs, so that there was no abrupt diameter change or ledge at the bottom of the fitting where the alleged sediment might get trapped. -- Better to be stuck up in a tree than tied to one. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar.org |
#23
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Gas piping question
On 4/16/2012 2:06 PM, dpb wrote:
On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. NFPA 54 (and most/all gas suppliers) specifically disallow bushings. If you consider the mechanical strength of an assembled bushing joint vs say a reducing coupling you can see why. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? -- |
#24
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Gas piping question
On 4/16/2012 6:24 PM, George wrote:
.... NFPA 54 (and most/all gas suppliers) specifically disallow bushings. If you consider the mechanical strength of an assembled bushing joint vs say a reducing coupling you can see why. .... Hmmm...cast iron bushings are disallowed but nothing says can't be malleable iron. I was wondering because virtually every valve I've seen has a reducing bushing supplied w/ it... http://www.pexsupply.com/White-Rodgers-36C01-405-3-4-Gas-Valve-24-VAC-14582000-p Sounds to me like overreaction to ban entirely but suppose it's easier than verifying aren't cast in situ. -- |
#25
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Gas piping question
Corect the midle size is always the branch
"Larry W" wrote in message ... f you haven't already figured it out, I was wrong in my post where I said the Tee would be a 1"x1"x1/2" I should have said 1"x1/2"x1" -- Better to be stuck up in a tree than tied to one. Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar.org |
#26
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Gas piping question
"Larry W" wrote in message ... In article , dpb wrote: On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? -- Code for gas piping often prohibits use of bushings and instead mandates bell-style reducers (either with both ends female threads or street-style, where larger end is female thread and smaller is male. The explanation I've always heard is that sediment or deposits may accumulate at the "ledge" formed where the bushing screws in to the fitting. This was taken to an extreme years ago, where you would actually also see reducing fittings of various types with the smaller diameter offset from the center. These were made to be installed with the small diameter at the bottom on horizontal runs, so that there was no abrupt diameter change or ledge at the bottom of the fitting where the alleged sediment might get trapped. I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. |
#27
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Gas piping question
On 4/19/2012 10:44 AM, EXT wrote:
.... Code for gas piping often prohibits use of bushings and instead mandates bell-style reducers (either with both ends female threads or street-style, where larger end is female thread and smaller is male. The explanation I've always heard is that sediment or deposits may accumulate at the "ledge" formed where the bushing screws in to the fitting. This was taken to an extreme years ago, where you would actually also see reducing fittings of various types with the smaller diameter offset from the center. These were made to be installed with the small diameter at the bottom on horizontal runs, so that there was no abrupt diameter change or ledge at the bottom of the fitting where the alleged sediment might get trapped. I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. I hadn't previously heard this (or if had, had forgotten it) so I checked NFPA Code. A search in a PDF document found only the reference to bushing in the section that is specifically related to _cast_ iron fittings; it doesn't apply to malleable iron or other materials. If local codes or inspectors have extended that, I can only presume it was simply for their convenience to avoid the need to determine in situ if is/is not a cast. I didn't look at the plug specifically; as best I can recall it wasn't mentioned but I won't swear to that. Well, let's see, I think the document is still here--ok, every occurrence of plug or plugged is associated w/ "or cap/capped". So again, it'll be some local thing, not NFPA if so. -- |
#28
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Gas piping question
"EXT" wrote in message news.com... "Larry W" wrote in message ... In article , dpb wrote: On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? -- Code for gas piping often prohibits use of bushings and instead mandates bell-style reducers (either with both ends female threads or street-style, where larger end is female thread and smaller is male. The explanation I've always heard is that sediment or deposits may accumulate at the "ledge" formed where the bushing screws in to the fitting. This was taken to an extreme years ago, where you would actually also see reducing fittings of various types with the smaller diameter offset from the center. These were made to be installed with the small diameter at the bottom on horizontal runs, so that there was no abrupt diameter change or ledge at the bottom of the fitting where the alleged sediment might get trapped. I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. That's so they can charge you extra for the nipple and cap. |
#29
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Gas piping question
On Thu, 19 Apr 2012 11:44:07 -0400, "EXT"
wrote: I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. Probably because caps and nipples are in the parts box. Unless you pull out an unused line back to a T, you would just cap it.. If you go back to a T, you might replace the T with an El. if you don't have to break many connections. If you stay with the T, you'll use what parts you have. I've done some plumbing and recall seeing plugs only in sewer cleanouts. Maybe seen a plugged T or two. I'd rather use a plug in a T than add a nipple/cap. But it's never happened where I had to block a T leg. -- Vic |
#30
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Gas piping question
On Thu, 19 Apr 2012 17:26:47 -0500, Vic Smith
wrote: On Thu, 19 Apr 2012 11:44:07 -0400, "EXT" wrote: I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. Probably because caps and nipples are in the parts box. Unless you pull out an unused line back to a T, you would just cap it.. If you go back to a T, you might replace the T with an El. if you don't have to break many connections. If you stay with the T, you'll use what parts you have. I've done some plumbing and recall seeing plugs only in sewer cleanouts. Maybe seen a plugged T or two. I'd rather use a plug in a T than add a nipple/cap. But it's never happened where I had to block a T leg. Well, I got the line all made up and installed today and have called for inspection - next tuesday. When I first called Union Gas they said they would do the Tee install for $60 plus tax, and they would do it Friday afternoon - so I had everything set up ready to go - then I got a call from Union Gas saying they do not do anything past the meter - period -, so I was stuck again. I called several gasfitters for pricing, getting widely varying estimates - all based around $75 per hour, with 1.25 hour minimum - until I got talking to one of them and he said "Your house? nothing stopping you from doing it yourself. Pressure test, soap test, and call Union Gas for an inspection" Getting the union off the meter was a bit of fun - and I had to totally disassemble it and clean up 38 years of rust and corrosion and lubricate it before it would turn without a 12 inch Stilson to re-install it.Got everything together, tapcon'd it to the foundation within a foot from either end and roughly in the middle of the 10 foot run, and called for inspection. We'll see what happens. Everything worked with standard length pipe fittings except for the down-leg from the reducing tee at the meter - which I had custom cut at Home Despot - no charge with the purchace of the pipe. Total cost including one locking va;lve and one non-locking valve,including a can of grey paint, brackets and tapcon - under $100 Canadian. See what the inspection costs - - - -. |
#31
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Gas piping question
On 4/19/2012 1:34 PM, Attila.Iskander wrote:
"EXT" wrote in message news.com... "Larry W" wrote in message ... In article , dpb wrote: On 4/16/2012 12:02 AM, wrote: ... Functionally the same as using a 1 inch "T" as an elbow, with a reducing bushing in the top to take the 1/2" pipe. Reducing bushing is not allowed here.... A source for the particular reducing tee has been identified elsewhere; I'm intrigued by the "Reducing bushing is not allowed here" part. Not allowed by what or by whom? I never heard of such restrictions on how a specific objective is achieved in installation as a code prohibition for such an ordinary thing as one additional fitting. What if you can't find the tee easily, would a nipple and a reducing coupling not be allowed either? -- Code for gas piping often prohibits use of bushings and instead mandates bell-style reducers (either with both ends female threads or street-style, where larger end is female thread and smaller is male. The explanation I've always heard is that sediment or deposits may accumulate at the "ledge" formed where the bushing screws in to the fitting. This was taken to an extreme years ago, where you would actually also see reducing fittings of various types with the smaller diameter offset from the center. These were made to be installed with the small diameter at the bottom on horizontal runs, so that there was no abrupt diameter change or ledge at the bottom of the fitting where the alleged sediment might get trapped. I have also noticed that plugs are never used to terminate an unused line, they always use a short nipple and a cap. That's so they can charge you extra for the nipple and cap. also, not true. -- Steve Barker remove the "not" from my address to email |
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