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DIN 2353 Fitting Size Chart

May 28, 2019

The DIN fittings size chart follows the specifications of 2353 compression fittings with a cutting ring.

The end connections are as follows: Male tube end with a 24° cone, female swivel nut with an O-ring cone, male tube end assembled with a compression nut, cutting ring, and tubes, as well as bulkhead tube ends.

DIN_fitting_size_chart_2353_standards

  End Size Thread Drill Tube Nut
Assembled Allowance
Tube depth Male Turn Back Bulkhead
Length
Tube/Swivel
Nut Hex
Bulkhead
Nut Hex
Max Bulkhead
Thickness
Size D3 (mm) M
Metric

D

(mm)

F

(mm)

K

(mm)

L1

(mm)

L3

(mm)

S2

(mm)

S4
(mm)
X
(mm)

4LL

4 M8x1 3 5.5 4.2 8 - 10 - -
6LL 6 M10x1 4.5 6 5.7 8 - 12 - -
8LL 8 M12x1 6 6 5.7 9 - 14 - -
10LL 10 M14x1 8 6 5.7 9 - 17 - -
12LL 12 M16x1 10 6 6.2 9 - 19 - -
6L 6 M12x1.5 4 8 7.2 10 34 14 17 16
8L 8 M14x1.5 6 8 7.2 10 34 17 19 16
10L 10 M16x1.5 8 8 7.2 11 35 19 22 16
12L 12 M18x1.5 10 8 7.2 11 36 22 24 16
15L 15 M22x1.5 12 8 7.2 12 38 27 30 16
18L 18 M26x1.5 15 9 7.7 12 40 32 36 16
22L 22 M30x1.5 19 9 7.7 14 42 36 41 16
28L 28 M36x1.5 24 9 7.7 14 43 41 46 16
35L 35 M45x1.5 30 11 10.7 16 47 50 55 16
42L 42 M52x1.5 36 12 11.2 16 47 60 65 16
6S 6 M14x1.5 4 8 7.2 12 36 17 19 16
8S 8 M16x1.5 5 8 7.2 12 36 19 22 16
10S 10 M18x1.5 7 9 7.7 12 37 22 24 16
12S 12 M20x1.5 8 9 7.7 12 38 24 27 16
14S 14 M22x1.5 10 10 8.2 14 40 27 30 16
16S 16 M24x1.5 12 10 8.7 14 41 30 32 16
20S 20 M30x2 16 11 10.7 16 44 36 41 16
25S 25 M36x2 20 12 12.2 18 47 46 46 16
30S 30 M42x2 25 13 13.7 20 51 50 50 16
38S 38 M52x2 32 15 16.2 22 53 60 65 16

Note: For port and stud end dimensions reference section F: Pipe Fittings and Port Adapters.

 

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