Monoblock valve MANUAL AND PNEUMATIC ACTING - 1 Sections 3/8 "G" MNB-040-1L-A1 "- CENTRE OPEN - CONNECTION PARALLEL and CURSOR type" A "- Flow rate 40 l / min - with 1 Lever 1-0-2 unstable return to center - adjustable maximum pressure valve - Maximum operating pressure 250 bar.