| abstract |
A container having two ports; first block valve having two diaphragm valves, eachnvalve having a valve seat side and a diaphragm side, each valve seat side faces thenother valve seat side, and connected to the first end of a dispense conduit, onendiaphragm side connected to a first port, and another diaphragm side connected to ventnand or vacuum; a second valve connected to a push gas conduit and a second port. |