Patent attributes
An illustrative valve block includes a pressure plate, a fluid transfer block, and a diaphragm. The pressure plate includes a pressure channel configured to receive a pressurized first fluid and a recess in a surface of the pressure plate. The pressure channel and the recess are fluidly connected. The fluid transfer block includes an inlet connection configured to receive a second fluid and an outlet connection. The fluid transfer block also includes a plurality of valve inlet bores each fluidly connected to the inlet connection. The plurality of valve inlet bores are distributed along at least part of a first circular shape. The fluid transfer block further includes a plurality of valve outlet bores each fluidly connected to the outlet connection.