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Appendix
Appendix
Installation & Maintenance
Assemblies
Equipment & Accessories
Fittings
Hoses
Fitting Identification
Fitting Standards
DIN 3852 Types A&B
Identification
Both male and female, type A (light duty) and type B
(
heavy duty) have straight threads.
Seal
The seal occurs when the ring seal in type A or the face
seal in type B connects with the face of the female port.
Thread Identification Tables
DIN 3852 Types A&B
Female Types A & B
Male Type A
Male Type B
Male Metric Thread Parallel
TubeOD Metric
Thread Size
Thread
OD
A B C
mm mm
mm mm mm mm
L Light
6
10
x 1
10
14 1.5 8
8
12
x 1
f
12
17 2.0 12
10
14
x 1
f
14
19 2.0 12
12
16
x 1
f
16
21 2.5 12
15
18
x 1
f
18
23 2.5 12
18
22
x 1
f
22
27 3.0 14
22
26
x 1
f
26
31 3.0 16
28
33
x 2
33
39 3.0 18
35
42
x 2
42
49 3.0 20
42
48
x 2
48
55 3.0 22
S Heavy
6
12
x 1
f
12
17 2.0 12
8
14
x 1
f
14
19 2.0 12
10
16
x 1
f
16
21 2.5 12
12
18
x 1
f
18
23 2.5 12
14
20
x 1
f
20
35 3.0 14
16
22
x 1
f
22
27 3.0 14
20
27
x 2
27
32 3.0 16
25
33
x 2
33
39 3.0 18
30
42
x 2
42
49 3.0 20
38
48
x 2
48
55 3.0 22
DIN 3852 Types A&B (Continued on next column)
DIN 3852 Types A&B (Continued)
Female Metric Thread Parallel
TubeOD Metric
Thread Size
Thread
ID
A
B
mm mm
mm mm mm
L Light
6
10
x 1
8.5
15
1.0
8
12
x 1
f
10.5
18
1.5
10
14
x 1
f
12.5
20
1.5
12
16
x 1
f
14.5
22
1.5
15
18
x 1
f
16.5
24
2.0
18
22
x 1
f
20.5
28
2.5
22
26
x 1
f
24.5
32
2.5
28
33
x 2
31.5
40
2.5
35
42
x 2
40.5
50
2.5
42
48
x 2
46.5
56
2.5
S Heavy
6
12
x 1
f
10.5
18
1.5
8
14
x 1
f
12.5
20
1.5
10
16
x 1
f
14.5
22
1.5
12
18
x 1
f
16.5
24
2.0
14
20
x 1
f
18.5
26
2.0
16
22
x 1
f
20.5
28
2.5
20
27
x 2
25.5
33
2.5
25
33
x 2
31.5
40
2.5
30
42
x 2
40.5
50
2.5
38
48
x 2
46.5
56
2.5
MaleWhitworth Thread Parallel (BSPP)
TubeOD Metric
Thread Size
Thread
OD
A B C
mm mm
in.
mm mm mm
L Light
6
1/8-28
3/8
14 1.5 8
8
1/4-19
1/2
17 2.0 12
10
1/4-19
1/2
19 2.0 12
12
3/8-19
21/32 21 2.5 12
15
1/2-14
13/16 23 2.5 12
18
1/2-14
13/16 27 3.0 14
22
3/4-14
1
p
31 3.0 16
28
1-11
1
j
39 3.0 18
35
1
e
-11
1
z
49 3.0 20
42
1
f
-11
1
d
55 3.0 22
S Heavy
6
1/4-19
1/2
17 2.0 12
8
1/4-19
1/2
19 2.0 12
10
3/8-19
21/32 21 2.5 12
12
3/8-19
21/32 23 2.5 12
14
1/2-14
13/16 25 3.0 14
16
1/2-14
13/16 27 3.0 14
20
3/4-14
1
p
32 3.0 16
25
1-11
1
j
39 3.0 18
30
1
e
-11
1
z
49 3.0 20
38
1
f
-11
1
d
55 3.0 22
DIN 3852 Types A&B (Continued on next page)