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1. Application
High pressure pipes are used when an oil injector cannot be connected directly to a
pressure joint or when an adaptor block is needed to connect a pressure gauge.
The connection hole on the application side should be designed in accordance to the
details given below.
Thread
Design
Ga
-
-
M 4X0,5
A
M 6
A
G 1/8
A
G 1/4
A
G 3/8
B
G 1/2
B
G 3/4
B
1)
Effective threaded length.
2)
Minimum value which may be increased by 2 mm (0.08 in) if material
thickness allows.
3)
Minimum value 6 mm (0.24 in).
Design A
2. Description
High pressure pipes consist of a hollow steel pipe with a steel ball fitted in each end. Two
swivelling connection nipples press these balls against the seating of the connection holes.
All pipes are test pressurised to 100 MPa above recommended maximum pressure.
SKF High Pressure Pipes
Angle
Dimensions
∝
Gb
Gb
degrees
mm
in
60
5
0.20
60
10
0.39
60
12
0.47
2)
60
15
0.59
-
15
0.59
-
18
0.71
-
20
0.79
Design B
Gc
Gc
Na max. Na max.
1)
1)
mm
in
mm
4
0.16
2
8
0.31
3
10
0.39
3
2)
2)
2)
12
0.47
5
12
0.47
8
14
0.55
8
16
0.63
8
3)
in
0.08
0.12
0.12
0.20
0.31
0.31
0.31
3)
5
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