DIN EN 1254-4-1998 铜和铜合金.管配件.第4部分:把其它连接端头和毛细管或压力接头相连接的管件
Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends; German version EN 1254-4:1998
The document specifies the maximum permissible temperatures and pressures, materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating or coating. This part specifies connection end dimensions of compression ends for other than capillary or compression ends, for fittings combining capillary and/or compression ends with other types of connectings ends.#,,#