MILCO Duplex Oil Filters for continuous operation with flow rates to 65 GPM and working pressures to 250 PSI in these ... C, . flow factor, both compressible and incompressible flow charts, a material selection guide, conversion factors, and a pressure conversion chart. ... MV2020, covers a manual momentary valve. Price lists are also included. Ideal Aerosmtth Inc., 1505 E. Fox Farm Rd., Cheyenne, Wyo.