Metered fluid dispensing system

摘要: A fluid dispensing device having a flexible pouch and assembly, the assembly top piece bottom piece, actuator including dome flange extension, portion of pump chamber, chamber inlet, inlet valve, an outlet mated together to form said configured allow bidirectional flow through either or both valves, dispense volume that is less than chamber. The may have single opening two openings. In case opening, entire in interior pouch. openings, only extends exterior valve so more pressure applied pouch, tightly seals.