Meler PS20, Instruction Manual, Page: 17 / 100

INTRODUCTION
2-7
MA-5130-GBR PS20 NON STOP DRUM UNLOADER INHIBITION MANUAL
Double pressure solenoid valve control system (DP)
This solenoid valve has two air-inputs and one air-output.
When the solenoid valve is not activated, the pressure to the bypass valve is
equal to the net pressure supplied to the melter. At the moment this device is
activated, air at a regulated pressure is introduced into the bypass valve.
The valve should be activated when not applying adhesive in order not to let
the system pressure raise. Thanks to that, we avoid the initial overpressure
once the applicator starts applying
1. Pressure gauge 0-10 bar
2. Pressure regulation 0-10 bar
3. Solenoid valve