manifold block MHP1-PR4-3-PI-PCB For mounting semi in-line valves MHP1-...-PI to PCBs Max. number of valve positions=4, Operating pressure=0 - 8 bar, Operating medium=Compressed air in accordance with ISO8573-1:2010 [7:4:4], Note on operating and pilot medium=Lubricated operation possible (subsequently required for further operation), Corrosion resistance classification CRC=2 - Moderate corrosion stress