A conduit device, comprising: first and second head connectors, each of said head connectors having a body with an interior surface defining a cavity extending axially through the first head connector, wherein the interior surface includes a plurality of axially extending wall segments (70, 72, 74, 76), including an axially outer end segment, forming a plurality of radial housing compartments (33, 73, 71) in the interior surface, including a first radial housing compartment having a first radial distance to the central axis, a second radial housing compartment having a second radial distance to the central axis, and a third radial housing compartment having a third radial distance to the central axis, wherein the first radial distance is greater than the second and third radial distances, and the second radial distance is greater than the third radial distance, and wherein the radial distances (R4, R3, R2) are greater than a fourth radial distance from the axially outer end segment to the central axis; a first packing arrangement maintained within at least the second radial housing compartment of the first head connector, wherein the first packing arrangement includes at least one ring-shaped sealing member, at least one spacer gland and at least one fastening ring, wherein the fastening ring is maintained between the at least one spacer gland and an axially outer edge of axially extending wall segment; a second packing arrangement maintained within at least the second radial housing compartment of the second head connector; and a substantially cylindrical center body element having an interior surface forming a cavity extending axially through the center body member, wherein the center body member further has first and second ends, wherein the first end is secured to the interior surface of the first head connector proximate the first radial housing compartment of the first head connector, and wherein the second end is secured to the interior surface of the second head connector proximate the first radial housing compartment of the second head connector, wherein the center body element further includes a tube stop extending radially inwardly of an interior surface of the center body element, wherein the packing arrangement and the interior surface of the center body element are adapted to engage a tube inserted so as to extend through the cavity of one of the head connectors and into the cavity of the center body element so as to engage the tube stop. first and second head connectors, each of said head connectors having a body with an interior surface defining a cavity extending axially through the first head connector, wherein the interior surface includes a plurality of axially extending wall segments (70, 72, 74, 76), including an axially outer end segment, forming a plurality of radial housing compartments (33, 73, 71) in the interior surface, including a first radial housing compartment having a first radial distance to the central axis, a second radial housing compartment having a second radial distance to the central axis, and a third radial housing compartment having a third radial distance to the central axis, wherein the first radial distance is greater than the second and third radial distances, and the second radial distance is greater than the third radial distance, and wherein the radial distances (R4, R3, R2) are greater than a fourth radial distance from the axially outer end segment to the central axis; a first packing arrangement maintained within at least the second radial housing compartment of the first head connector, wherein the first packing arrangement includes at least one ring-shaped sealing member, at least one spacer gland and at least one fastening ring, wherein the fastening ring is maintained between the at least one spacer gland and an axially outer edge of axially extending wall segment; a second packing arrangement maintained within at least the second radial housing compartment of the second head connector; and a substantially cylindrical center body element having an interior surface forming a cavity extending axially through the center body member, wherein the center body member further has first and second ends, wherein the first end is secured to the interior surface of the first head connector proximate the first radial housing compartment of the first head connector, and wherein the second end is secured to the interior surface of the second head connector proximate the first radial housing compartment of the second head connector, wherein the center body element further includes a tube stop extending radially inwardly of an interior surface of the center body element, wherein the packing arrangement and the interior surface of the center body element are adapted to engage a tube inserted so as to extend through the cavity of one of the head connectors and into the cavity of the center body element so as to engage the tube stop.