Fluid transfer apparatus including a body having a bore formed through at least a portion of its interior. Contained within the bore is a movable plunger that moves without changing the axial dimensions of the body. A first end of the body contains a face designed to be attached to an upstream compo
Fluid transfer apparatus including a body having a bore formed through at least a portion of its interior. Contained within the bore is a movable plunger that moves without changing the axial dimensions of the body. A first end of the body contains a face designed to be attached to an upstream component. A second end of the body is connected to a downstream component such as a filter, pipeline, etc. A first end of the plunger, when it is in the closed position, is in alignment with the face of the body, which combined form a steamable surface and a sterile barrier against the environment to the remainder of the interior of the body, the plunger and downstream components. An outer annular collar is rotatable relative to the body and causes the plunger to move axially within the bore from an open to a closed position.
대표청구항▼
1. A valve having an axial length, comprising: a body having: a first end containing a face configured to be attached to an upstream component;a second end configured to be attached to a downstream component; anda bore extending axially from the first end to the second end;a plunger axially movable
1. A valve having an axial length, comprising: a body having: a first end containing a face configured to be attached to an upstream component;a second end configured to be attached to a downstream component; anda bore extending axially from the first end to the second end;a plunger axially movable within said bore between an open position and a closed position, the plunger having a first end and a second end; andan actuator operatively connected to the plunger by a pair of split rings, each split ring including a radially inwardly extending plunger engaging member and a radially outwardly extending actuator engaging member operatively connecting the actuator and the plunger, such that rotational movement of the actuator causes the plunger to move axially between the open and closed positions without altering the axial length of the valve,wherein: the valve is in the closed position when the first end of the plunger is in alignment with the face of the body; andthe first end of the plunger being in alignment with the face of the body forms a steamable surface and a sterile barrier against the environment to a remainder of the interior of the bore, the plunger and a downstream component. 2. The valve of claim 1, wherein the actuator is a split ring actuator, each split ring of the actuator having a sloped groove and a groove end for receiving the radially outwardly extending actuator engaging members in sliding relation, such that, when the split ring actuator is assembled, each radially outwardly extending actuator engaging member rides in the sloped groove of one split ring of the actuator and the groove end of the opposing split ring of the actuator. 3. The valve of claim 2, wherein the body further comprises spaced radially extending annular outer flanges positioned on an outer wall of the body, and each split ring of the actuator further includes radially inwardly extending protrusions, a length of the actuator protrusions and a length of the body flanges being in contact with one another. 4. The valve of claim 1, wherein each split ring further includes a first and a second split ring collar shaped to ride against an outer wall of the body and an interior surface of the actuator. 5. The valve of claim 4, wherein the radially inwardly extending plunger engaging member and the radially outwardly extending actuator engaging member are positioned between the first and the second split ring collars. 6. A manifold assembly unit, comprising a filter capsule having a feed port and a permeate port, a pair of valves in fluid communication with the feed port and a pair of valves in fluid communication with the permeate port, wherein each valve has an axial length and independently comprises: a body having: a first end containing a face designed to be attached to an upstream component, a downstream component or a second manifold assembly unit,a second end attached to the filter capsule, anda bore extending axially from the first end to the second end;a plunger axially movable within said bore between an open position and a closed position, the plunger having a first end and a second end; andan actuator operatively connected to the plunger such that movement of the actuator causes the plunger to move axially between the open and closed positions without altering the axial length of the valve,wherein: the valve is in the closed position when the first end of the plunger is in alignment with the face of the body, andthe first end of the plunger being in alignment with the face of the body forms a steamable surface and a sterile barrier against the environment to a remainder of the interior of the bore, the plunger and the filter capsule. 7. The manifold assembly unit of claim 6, wherein the valves in fluid communication with the feed port are coaxially aligned. 8. The manifold assembly unit of claim 6, wherein the valves in fluid communication with the permeate port are coaxially aligned. 9. The manifold assembly unit of claim 6, wherein the valves in fluid communication with the feed port are coaxially aligned and the valves in fluid communication with the permeate port are coaxially aligned in a common plane. 10. A manifold assembly comprising at least two of the manifold assembly units of claim 6 in fluid communication. 11. The manifold assembly of claim 10, wherein the at least two manifold assembly units are connected in a parallel configuration. 12. The manifold assembly of claim 10, wherein the at least two manifold assembly units are connected in a serial configuration.
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