US Patent 10451591 Remotely actuated valve for a biological liquid treatment system

The invention relates to valve system for controlling a process fluid within a liquid processing system. The valve system comprises a valve arrangement, a pneumatic or hydraulic control system, and a connector unit. When the valve arrangement is connected to the connector unit, two or more valves are formed, such that the pneumatic or hydraulic control system controls an open/close or pressure control mode of the valves. A pump diaphragm system is disclosed, as well as a system for purifying a biological material that comprises the valve system or the pump diaphragm system. Also discloses are methods of using the valve system or the pump diaphragm system in a process for the purification of a biological material.