DIN 3239-2 (1978-02)被替代
Weld-on Ends Of Valves For Socket Welding
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN 3239-2 (1978-02)
发布时间：1978/2/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
Applies to the shaping of welding sockets on steel valves; these welding sockets form part of the extent of supply of the valve and serve to connect the valve to the adjoining piping.
