This standard specifies requirements and tests of high density polyethylen (HDPE) tapping valves. Such valves are used in installations of HDPE pipes to DIN 8075 in dimensions to DIN 8074 part 1 or part 2 and fitted in by welding.
DIN 3544-1:1985 history
1985DIN 3544-1:1985 High-density polyethylene (HDPE) valves; tapping valves; requirements and test