Radiator valves fitting metric to imperial piping

[Bumps]

I wish to change all my radiator valves I have 1/2 inch imperial copper pipe can I replace with metric TVRS

 

[WaterTight]

yep, may need a bit of persuasion to get nut and olive on but works fine. if it really is tough you can use a imperial to metric coupler (end feed / solder ring)