Hose guard burst protection

The aerial supply is interrupted all of a sudden by the tube protection if the aerial volume stream exceeds a certain value. The at most allowed one
volume stream is chosen in such a way which is protected a normal use by pneumatic tools. The pressure loss amounts to from 0.05 to 0.3 cash.

In the sturgeon case the tube break protection about a small nozzle cries off. if the tube break is repaired again, the tube break protection is put again on "0".