Adding a Valve to Existing Pipework

[fidom]

Here in Hungary they don't have valves with compression ends, only pipe thread ends. I have bought a 1" valve that I want to put in an existing run of 28mm copper pipework. The valve has 1" BSP female ends so I have bought adapters that are 1" BSP male to 28 mm end feed solder female. I don't know how to go about this job, should I screw the adapters to the valve then solder it in? Will the heat destroy the PTFE tape? If I solder the adapters to the pipework I will be unable to then screw them to the valve. Should I make 2 additional cuts in the pipework and add couplings either side of the valve so that the section of pipe with the adapter on can be rotated?

 

[dcawkwell]

just order all the parts from www.bes.co.uk all delivered in a few day ups
job done

 

[cantaloup63]

In the absence of your using a compression fitting in the first place (presumably you couldn't find one), the obvious solution would be to cut the 28mm nearby and use a straight compression.

 

[Charnwood]

How about a long screw? Not that I'm offering, I'm not like that.

 

[fidom]

There are no compression or even Yorkshire fittings available here, only end feed. I think most plumbers still use iron pipe, copper is considered a bit exotic.