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Technical

Identifying Fittings

DIN 11851 Ferrules

TUBE ØA ØA TUBE
O.D. O.D.

Liners Males
Tube OD ØA Tube OD ØA
(inches) (inches)
1 1.73 1 2.04
1½ 2.20 1½ 2.56
2 2.68 2 3.07
2½ 3.39 2½ 3.74
3 3.94 3 4.31
4 4.76 4 5.10

DIN Round Nuts
Nut ØA
Tube OD DN ØA B Threads
(inches) Thread ID per inch
1 25 2.48 1.88 6
1½ 40 3.07 2.39 6
2 50 3.62 2.90 6 ØB
2½ 65 4.41 3.49 6
3 80 5.00 4.14 4
4 100 5.83 4.94 4

Note: nuts 3" and larger will have 6 slots

DIN Thread Form

30°

male thread female thread

Gasket

287 Z

Dixon Sanitary 2014 800.789.1718