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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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28 mm reducer straight into compression
howdy
I have a 28 mm compression coupling into which I need to put a 22 mm pipe. I have bought a 28 to 22 mm reducer (in profile looks like a fat bottle - with a 22 mm neck and a 28 mm body) The question is - do I need to solder a 28 mm pipe onto the reducer and then put the 28 mm pipe into the compression coupling - or can I put the 28 mm "body" of the reducer straight into the compression coupling . I'm wondering if the reducer is too weak to go into the compression coupling ? cheers larry |
#2
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28 mm reducer straight into compression
"larry" wrote in message om... howdy I have a 28 mm compression coupling into which I need to put a 22 mm pipe. I have bought a 28 to 22 mm reducer (in profile looks like a fat bottle - with a 22 mm neck and a 28 mm body) The question is - do I need to solder a 28 mm pipe onto the reducer and then put the 28 mm pipe into the compression coupling - or can I put the 28 mm "body" of the reducer straight into the compression coupling . I'm wondering if the reducer is too weak to go into the compression coupling ? You can buy 28mm to 22mm brass compression inserts. This goes into the 28mm coupler and has a 22mm compression olive. I assume this reducer you bought is copper solder. Yes it can go directly into the 28mm coupler and tightened up; as long as it is long enough. Some of these sometimes are a little short. |
#3
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28 mm reducer straight into compression
In an earlier contribution to this discussion,
larry wrote: howdy I have a 28 mm compression coupling into which I need to put a 22 mm pipe. I have bought a 28 to 22 mm reducer (in profile looks like a fat bottle - with a 22 mm neck and a 28 mm body) The question is - do I need to solder a 28 mm pipe onto the reducer and then put the 28 mm pipe into the compression coupling - or can I put the 28 mm "body" of the reducer straight into the compression coupling . I'm wondering if the reducer is too weak to go into the compression coupling ? cheers larry I assume that the reducer is 28mm female one end and 22mm female the other end - and is thus intended to join a 28mm pipe to a 22mm pipe. If this is the case, the 28mm end will be too big to go into your compression fitting anyway. On the other hand, if your reducer has a 28mm male end (unlikely) you won't be able to put another 28mm pipe inside it, and the reducer will go straight into the compression fitting. Is the 28mm compression fitting a straight coupling (rather than an elbow or tee)? If so, can't you get rid of it, shorten the pipe a bit, and solder your reducer straight onto the pipe? -- Cheers, Set Square ______ Please reply to newsgroup. Reply address is Black Hole! |
#4
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28 mm reducer straight into compression
thanks guys, the plumbcenter man confirmed that as well
cheer larrry "larry" wrote in message om... howdy I have a 28 mm compression coupling into which I need to put a 22 mm pipe. I have bought a 28 to 22 mm reducer (in profile looks like a fat bottle - with a 22 mm neck and a 28 mm body) The question is - do I need to solder a 28 mm pipe onto the reducer and then put the 28 mm pipe into the compression coupling - or can I put the 28 mm "body" of the reducer straight into the compression coupling . I'm wondering if the reducer is too weak to go into the compression coupling ? cheers larry |
#5
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28 mm reducer straight into compression
On Mon, 08 Mar 2004 11:59:33 +0000, Set Square wrote:
In an earlier contribution to this discussion, larry wrote: howdy I have a 28 mm compression coupling into which I need to put a 22 mm pipe. I have bought a 28 to 22 mm reducer (in profile looks like a fat bottle - with a 22 mm neck and a 28 mm body) The question is - do I need to solder a 28 mm pipe onto the reducer and then put the 28 mm pipe into the compression coupling - or can I put the 28 mm "body" of the reducer straight into the compression coupling . I'm wondering if the reducer is too weak to go into the compression coupling ? cheers larry I assume that the reducer is 28mm female one end and 22mm female the other end - and is thus intended to join a 28mm pipe to a 22mm pipe. If this is the case, the 28mm end will be too big to go into your compression fitting anyway. On the other hand, if your reducer has a 28mm male end (unlikely) you won't be able to put another 28mm pipe inside it, and the reducer will go straight into the compression fitting. Is the 28mm compression fitting a straight coupling (rather than an elbow or tee)? If so, can't you get rid of it, shorten the pipe a bit, and solder your reducer straight onto the pipe? Most (endfeed) solder reducers are male on the larger end (28mm) and female at the other (22mm socket). They can go straight into a 28 mm compression joint but you may find if you push it in fully home that the fitting has gone past the 28mm olive. In which case you need to keep the fitting out a little before tightening. HTH -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html |
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