RUTHMANN Steiger TB270 - Page 206

9 Maintenance
9-20
RUTHMANN-Steiger
®
TB270
BA.GB.12-27409-05-07-FTA-jr
9.2.5 Connection pieces and DKO-fittings
The tightening moments are valid for connection pieces and DKO-fittings
with galvanized and yellow chromalized surface protection. (Union nuts
waxed, acc. to German standards „DIN ISO 4042“).
Example:
Hold up the fitting piece by means of a screw wrench
when tightening the union nut.
Tightening moments (M
A
) for connecting pieces and DKO-fittings
Series
L = light
S = Heavy
Tube AD
(mm)
d1
Form
metric
thread
d3
Span of
the jaw
M
A
5%
(Nm)
L
6
A
M 12 x 1,5
14
20
L
8
A
M 14 x 1,5
17
25
L
10
A
M 16 x 1,5
19
35
L
12
A
M 18 x 1,5
22
35
L
15
A
M 22 x 1,5
27
60
L
18
B
M 26 x 1.5
32
85
L
22
B
M 30 x 2
36
110
L
28
B
M 36 x 2
41
130
L
35
B
M 45 x 2
50
215
L
42
B
M 52 x 2
60
330
S
6
A
M 14 x 1,5
17
25
S
8
B
M 16 x 1,5
19
40
S
10
B
M 18 x 1,5
22
50
S
12
B
M 20 x 1,5
24
60
S
14
B
M 22 x 1,5
27
75
S
16
B
M 24 x 1,5
30
80
S
20
B
M 30 x 2
26
120
S
25
B
M 36 x 2
46
170
S
30
B
M 42 x 2
50
250
S
38
B
M 52 x 2
60
350