Pilot Operated Pressure Relief Valves
Series R4V*/R6V*/DSDU*
16
Parker Hannifin Corporation
Parker Hannifin Corporation
Translation from German
R_V-DSDU 5715-661 UK.indd 11.12.19
NG
b1 d1 H7 d2 H7
d3
d3 max d4 d4 max* d5 max d6
d7 H13 m1±0.2 m2±0.2 m3±0.2
16
65
32
25
16
18
16
25
4
M 8
4
46
25
23
25
85
45
34
25
25.5
25
32
6
M 12
6
58
33
29
32
102
60
45
32
36
32
40
8
M 16
6
70
41
35
NG m4±0.2 t1+0.1 t2+0.1
t3
t4
t4 max*
t5
t6
t7
t8
t10
U
W
16
10.5
43
56
11
34
29.5
20
20
2
2
10
0.03
0.05
25
16
58
72
12
44
40.5
30
25
2.5
2.5
10
0.03
0.05
32
17
70
85
13
52
48.0
30
35
2.5
2.5
10
0.03
0.1
Surface quality:
= R
max
16, =
√
1
2
√
R
max
8
DIN NG
ISO code
16
7368-BA-06-2-B
25
7368-BB-08-2-B
32
7368-BC-09-2-B
* only with d4
max
and t4
max
Comparison of DIN NG and ISO code
t4
d4
d3
d2
15°
t3 and t5
depth of fit
1
2
15°
d1
1
2
2
t7
t5
t1
t2
t8
t3
d6
m3
d5
m1
m1
m2
thread depth t6
X
Y
m2
b1
m2
d7
m4
pin t10
b1
m2
Mounting Surface
