Old water pipes

[Wales584]

Hello all I need some advice, an old brass stop tap failed on an old water pipe I assumed the pipe was 32mm so I tried to put a reducer coupler on 32mm-20mm I could then put an end cap on but this old black pipe is a weird size it's to small for 32mm mdpe fitting and to large for 25mm and I don't know what I'm going to do the pipe measurements with a vernier callipers measurements tool is 30mm outer and 20mm inner and I need a fitting that will convert it to 20mm blue pipe. Thank you all in advance.

 

[Dennis]

If you can’t find the correct size fitting you get universal couplers from plasson that have a adjustable fitting one side and standard size on the the other.

 

[Wales584]

If you can’t find the correct size fitting you get universal couplers from plasson that have a adjustable fitting one side and standard size on the the other.

Okay thank you, i was just looking now and came across philmac utc joiner is this a similar coupler?

 

[Kidds]

Your old black pipe is almost certainly Imperial, most likely 3/4".
An imperial to metric fitting will do it, sometimes it is just a case of a different o-ring or insert.

 

[Mickstup]

If its Black pipe it's imperial, you'll need the wall thickness to find which class it is to get the proper fitting. A philmac utc should be ok if the pressure isn't too great.

 

[Wales584]

Thank you all for the replies my neighbour is going to have a look for a universal coupler for me until I can order 1 3rd Jan why did it have to go now haha

 

[Wales584]

Just one more quick question, when I get the universal coupler what do I do about the black pipe regarding pipe liner I assume you don't fit one into black pipe just the blue pipe side

 

[diggerjones]

Yeah don't bother with insert. The wall thickness is alot thicker. Where abouts are you as there will be plenty places open tomorrow

 

[Half Pipe]

Compression fittings for copper pipe often fit black water pipe, Toolstation, Screwfix + b&q have them if just need a stop end

 

[Derrick Hughes]

If its only a small amount build it up with some electricians tape

 

[Wales584]

Yeah don't bother with insert. The wall thickness is alot thicker. Where abouts are you as there will be plenty places open tomorrow

I'm by crosshands Carmarthenshire mate

 

[diggerjones]

I'm by crosshands Carmarthenshire mate

Some other good suggestions. I would look for a builders merchant or ag supplies. Be plenty in your area open tomorrow

 

[Wales584]

Some other good suggestions. I would look for a builders merchant or ag supplies. Be plenty in your area open tomorrow

I've been to 2 different agri stores no luck seatch them stores online aswel no luck but pipestock have the fitting I need but only delivery 3rd of Jan https://www.pipestock.com/universal-coupling

 

[Wales584]

If its only a small amount build it up with some electricians tape

Yea i could try that mate

 

[Wales584]

Compression fittings for copper pipe often fit black water pipe, Toolstation, Screwfix + b&q have them if just need a stop end

The outer diameter is 30mm I have search no luck mate

 

[Dennis]

Okay thank you, i was just looking now and came across philmac utc joiner is this a similar coupler?

Yes that looks the same idea, I have 1 fitted before without a insert and didn’t leak.

 

[Suffolk Serf]

If its Black pipe it's imperial, you'll need the wall thickness to find which class it is to get the proper fitting. A philmac utc should be ok if the pressure isn't too great.

Not strictly true. We use a lot of black metric as black is UV stabilised and better for using above ground.

 

[milkloss]

 

[onthehoof]

Last year council cutting verges caught hose and ripped old brass coupling off, replaced with this, 32mm to 25mm blue not sure if you can go straight to 20mm or need a further reducer

 

[Forkdriver]

Some other good suggestions. I would look for a builders merchant or ag supplies. Be plenty in your area open tomorrow

Give Wynnstay a call at Carmarthen. They have a big pipe fittings section.