规定了配件的设计和性能要求，适用于在规定压力和温度范围内输送液体和气体的一般用途。根据ISO 7/1，尺寸为1/8至6，用于连接螺纹元件。对于在规定压力和温度限制之外的条件下使用，请咨询配件制造商。

Specifies requirements for the design and performance of the fittings, being for general purposes for the transmission of fluids and gases up to the limits of pressure and temperature specified. They are intended for the connection of elements threaded in accordance with ISO 7/1, sizes 1/8 to 6. For use in conditions outside the pressure and temperature limits specified, consult the fitting manufacturer.