M-Press copper gas straight couplings are available here in sizes 15mm - 54mm, they’re all made of high grade CW024A copper and conform to BS EN 1254-7. All copper gas press fittings come with M-profile press fit ends, yellow HNBR rubber seals/O-rings as well as DVGW G260 approval.
All copper and bronze gas press fittings are designed for use on natural gas or LPG at up to 5 bar (PN5) pressure. The O-ring/seals with these fittings may be supplied loose for end-user installation, gas warning labels are also included and should be affixed to the outside of the fitting during installation.