10
2.3.1
2.3.2
2.3
Safety devices on the equipment
Fig. 2.3.1
There is a 3-way ball valve on the granule
container that applies compressed air to
the container and the control system in the
operating position.
Fig. 2.3.2
In the „Off“ position the container and the
control system are depressurised.
Fig. 2.3.3
There is a 2-way ball valve on the handle of
the blasting lance. This can be operated if
a control function fails. If the ball valve is
closed, no air or other blasting material can
exit from the lance.
Item A:
relieve
Item B:
work item
Summary of Contents for 81 29 2 208 034
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