Test device for function of nozzles of chisel-controlled cutting trace nozzle

摘要

The test device has a control valve for spraying which interacts with an axially movable chisel. A further valve is provided which at reaching a predetermined fluid pressure, connects the fluid pipe with the nozzles. The further valve is arranged in the control valve housing and has a valve tappet which is slidably positioned against a spring force. The axial bore of the control valve housing is in open connection with the tube leading to the nozzle.