RUTHMANN Steiger TB270 - Page 201

9 Maintenance
BA.GB.12-27409-05-07-FTA-jr
RUTHMANN-Steiger
®
TB270
9-15
9.2.3 Valves
Tightening moments Screw-in valves
No.
Valve
Part-No.
Dimensions
Tightening moment
M
A
(Nm)
1
Pressure relief valve
435.043
435.044
M 20 x 1,5
M 20 x 1,5
25
+5
25
+5
2
Pressure relief valve
(DBV) for block installa-
tion
435.003
435.010
M 30 x 1,5
M 30 x 1,5
70
+30
70
+30
3
Pressure transformer
541.996
541.999
G 1/4 A
G 1/4
25

5
25

5
4
Pressure reduction valve
435.035
40
5
Pressure regulation valve
435.022
G 1/2
20
6
Check valve
431.027
431.028
431.029
435.004
435.041
G 1/2
G 1
G 1/2
M 20x1,5
M 20x1,5
20
+5
20
+5
20
+5
45
+5
45
+5
7
Lock valve
433.006
433.010
433.020
435.040
G 1/2
G 1
M 20x1,5
M 20x1,5
20
+5
20
+5
45
+5
45
+5
8
Shuttle valve
432.016
7/8-14UNF-2B
40
9
Press. compensating
regulator valve
435.033
435.036
M 20x1,5
7/8-14UNF-2A
45
+5
40
10
Internal pilot sequence
valve
435.037
435.039
7/8-14UNF-2A
7/8-14UNF-2A
40
40
11
Check valve, to be disen-
gaged electrically
430.197
430.198
430.199
M 20x1,5
M 20x1,5
M 20x1,5
25
+5
25
+5
25
+5
12
Oil flow regulating valve
435.005
435.047
435.048
435.049
435.050
435.051
435.052
435.053
435.054
435.055
G 1/4
G 1/4
G 1/4
G 1/4
G 3/8
G 1/4
G 3/8
G 3/8
G 1/2
G 1/4
3 - 6
3 - 6
3 - 6
3 - 6
5 - 8
3 - 6
5 - 8
5 - 8
8 - 12
3 - 6