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Unit:mm

Threaded steel pipe fittings; plugs, caps

DIN 2991 - 1977

Display drawing:

德标DIN 2991 - 1977 DIN2991 2991DIN Threaded steel pipe fittings; plugs, caps
Thread Size
D
1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 4
Metric
L1 (mm)
s (mm) min
d (mm) min
L2 (mm) min
6 8 10 15 20 25 32 40 50 65 80 100
20 21 23 28 33 35 37 37 42 47 52 63
7 8 10 12 14 17 19 22 24 30 32 41
14.5 17.5 21.5 27 33.5 40.5 50 57 70 86 100 126
13 15 17 19 22 24 27 27 32 35 38 45
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