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