and two retaining pins 26 for supporting a central retainer 30 and also to serve as a fulcrum for the lever arms 24 attached to the push rod 28 this structural bridge is fixed to the upper manifold 20 and allows for the lowering and raising of the upper sealing gate 32 in cooperation with the pivotal functioning of the lever arm fig4 is a sectional view of the present invention 10 shown is the internal components of the present invention and how they relate to one another the upper 32 and lower 34 sealing gates are connected to lever arms and cam systems with springs 38 in order to move up or down when needed during a cycle the lower sealing gate 34 moves about in relation in between a crank shaft 18 supported piston 36 held inside while the upper manifold 20 and cam linkages retain the outsides for the upper sealing gate a retention pin 26 and structural bridge 22 provide support for a central retainer 30 to support the inside portions of the upper lift gate along with an opening in the top of the upper manifold 20 for supporting the outsides of the upper lift gate fig5 is an illustrative view of the.