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7.7.2 Assembly of port T
Faulty assembly!
In case of faulty assembly due to a mix up of the hydraulic ports, the safety valve
loses its safety function!
▶
Check whether the pressure to be limited is connected to port P and the
discharge line is connected to port T.
The connection surfaces of the valve and the valve installation surface must be clean
and free from hydraulic fluid.
▶
Use non-linting fabric for cleaning the valve installation surface.
1.
Tighten pipe fittings which are screwed directly into the safety valve. Observe the
tightening torque information by the pipe fitting manufacturer.
Table 12: Type of pipe fitting
Valve type + size
Component marking
Fitting with pipe thread according
to EN ISO 228 Part 1
WARNING
DBA30...1X/...E
1150
G 1 1/4
RE 25880-B/10.18, DBA...1X/...E, Bosch Rexroth AG
Assembly
29/56
DBA40...1X/...E
1150
G 1 1/2
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