Monoblock valve with PNEUMATIC ACTING - 4 Sections 1/2 "G", "MNB-080-4L-A1-A1-A1-A1"- OPEN CENTER - PARALLEL CONNECTION with CHECK VALVE on each SECTION and CURSOR type" A "- Flow 80 l / min - 4 Levers 1-0-2 unstable return to center - maximum pressure adjustable valve - maximum pressure 250 bar.