Are you looking for some plumbing material online? Why not use copper pipe saddles as it especially designed in the use of copper mains. These lines stop saddles used in domestic water, heating hot water etc.
For More Information:
Website- https://pipemanproducts.com/line-stop-sleeves.php
Address- 5060 Forni Drive, Concord, Massachusetts, 94520, USA
Contact us- 9254397975