Ablock seal fitting assembly (1, 201) comprising: a first block having a first opening (30, 130, 230, 330) formed therethrough; a sealing element; and a tube (80, 180, 280) including a first segment (81, 181, 281) extending through the first opening (30, 130, 230, 330) of the first block and a second segment (82, 182, 282) arranged at an angle relative to the first segment (81, 181, 281), an end portion of the first segment (81, 181, 281) forming a seal engaging surface of the tube (80, 180, 280) engaging the sealing element, wherein the first block includes an annular shoulder (22, 122, 222) at an end of the first opening (30, 130, 230, 330), wherein the end portion of the first segment (81, 181, 281) extends radially outwardly over the annular shoulder (22, 122, 222), wherein a radially extending surface (26, 126) extended radially inwardly towards the first opening (30, 130, 230, 330) and a surface defining the first opening (30, 130, 230, 330) form the annular shoulder (22, 122, 222), wherein the annular shoulder (22, 122, 222) includes a chamfer (27, 127, 227) forming a frustoconical surface for connecting the radially extending surface (26, 126) to the surface defining the first opening (30, 130, 230, 330), wherein the seal engaging surface includes an axially projecting engaging feature configured to engage the sealing element, wherein the axially projecting engaging feature has a substantially V-shaped cross-sectional shape and includes a pointed edge formed at a distal end of the axially projecting engaging feature, and wherein a diameter of the pointed edge is smaller than a diameter of the first opening (30, 130, 230, 330). a first block having a first opening (30, 130, 230, 330) formed therethrough; a sealing element; and a tube (80, 180, 280) including a first segment (81, 181, 281) extending through the first opening (30, 130, 230, 330) of the first block and a second segment (82, 182, 282) arranged at an angle relative to the first segment (81, 181, 281), an end portion of the first segment (81, 181, 281) forming a seal engaging surface of the tube (80, 180, 280) engaging the sealing element, wherein the first block includes an annular shoulder (22, 122, 222) at an end of the first opening (30, 130, 230, 330), wherein the end portion of the first segment (81, 181, 281) extends radially outwardly over the annular shoulder (22, 122, 222), wherein a radially extending surface (26, 126) extended radially inwardly towards the first opening (30, 130, 230, 330) and a surface defining the first opening (30, 130, 230, 330) form the annular shoulder (22, 122, 222), wherein the annular shoulder (22, 122, 222) includes a chamfer (27, 127, 227) forming a frustoconical surface for connecting the radially extending surface (26, 126) to the surface defining the first opening (30, 130, 230, 330), wherein the seal engaging surface includes an axially projecting engaging feature configured to engage the sealing element, wherein the axially projecting engaging feature has a substantially V-shaped cross-sectional shape and includes a pointed edge formed at a distal end of the axially projecting engaging feature, and wherein a diameter of the pointed edge is smaller than a diameter of the first opening (30, 130, 230, 330).