This European Standard specifies materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating or coating. Maximum permissible temperatures and pressures are also established. This part of EN 1254 specifies connection end dimensions for fittings combining capillary and/or compression ends with other types of connecting ends.
BS EN 1254-4:1998 history
2021BS EN 1254-4:2021 Copper and copper alloys. Plumbing fittings - Threaded fittings
1998BS EN 1254-4:1998 Copper and copper alloys. Plumbing fittings. Fittings combining other end connections with capillary or compression ends