DIN EN 751-1-1997 接触第1,第2及第3族气体以及热水的金属螺纹连接密封材料.第1部分:厌氧密封材料
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds; German version EN 751-1:1996
This document deals with requirements and tests of anaerobic hardening jointing compounds for metallic threaded joints coming in contact with 1st, 2nd, and 3rd family combustible gases and hot water of heating systems.