A conduit (100) for transporting a fluid comprises a first collar (102), a second collar (103), and a bellows (108). The bellows (108) comprises a first corrugated outboard ply (114), a corrugated inboard ply (110), an interstitial space (126), interposed between the corrugated inboard ply (110) and the first corrugated outboard ply (114), and a second corrugated outboard ply (112) within the interstitial space (126). The first corrugated outboard ply (114) and the corrugated inboard ply (110) are hermetically coupled to the first collar (102) and the second collar (103). The conduit (100) additionally comprises a first sensor 116, communicatively coupled with an interstitial space (126). The second corrugated outboard ply (112) is not hermetically coupled to the first collar (102) or the second collar (103).

Herein a tubular element (2) is disclosed. The tubular element comprises a first tubular portion (4) comprising a first metal or alloy and a second tubular portion (6) comprising a second metal or alloy. At least a portion of an interface (9) between the first and second tubular portions (4, 6) extends within a fixed diameter range along a longitudinal direction (L) of the tubular element. The second tubular portion (6) comprises a first end portion (8) arranged around the first tubular portion (4). The second tubular portion (6) comprises a sealing surface (10) extending circumferentially around the second tubular portion (6) at the first end portion (8).

A pharmaceutical transport system and associated piping and utility panel are presented. The utility panel is received within an opening within a ceiling of a clean room and supported by the ceiling about a perimeter thereof by means of an attached angle member or an integral flange. The use of the angle member or flange accommodates ease of installation. Included as part of the system of the invention are hubs having a bore therethrough that is offset from the axis of the hub itself by an amount ensuring desired angling of the associated transport pipes to accommodate drainage or plumb risers. Also included are bends providing transitions between vertical and sloped horizontal pipes.

A conduit for transporting a fluid comprises a first collar, a second collar, and a bellows. The bellows comprises a corrugated inboard ply, a corrugated outboard ply, and an interstitial space, interposed between the corrugated inboard ply and the corrugated outboard ply. The conduit additionally comprises a first weld, hermetically coupling the corrugated inboard ply and a first outer collar portion, a second weld, hermetically coupling the corrugated outboard ply and a first inner collar portion, a third weld, hermetically coupling the corrugated inboard ply and a second outer collar portion, a fourth weld, hermetically coupling the corrugated outboard ply and a second inner collar portion, and a first sensor, communicatively coupled with the interstitial space.

A conduit for transporting a fluid comprises a first collar, a second collar, and a bellows. The bellows comprises a first corrugated outboard ply, a corrugated inboard ply, an interstitial space, interposed between the corrugated inboard ply and the first corrugated outboard ply, and a second corrugated outboard ply within the interstitial space. The first corrugated outboard ply and the corrugated inboard ply are hermetically coupled to the first collar and the second collar. The conduit additionally comprises a first sensor, communicatively coupled with an interstitial space. The second corrugated outboard ply is not hermetically coupled to the first collar or the second collar.

An assembly including a double wall PE sump and an electro-weldable penetration fitting, wherein the sump is provided with two walls identifying an interspace therebetween and wherein at least an electro-weldable penetration fitting is applied to the sump at at least a circular opening prepared for the passage through the two walls by a conduit. The penetration fitting includes a cylindrical sleeve internally defining a tubular passage and provided with a threaded portion on the outer surface of a first end, with a cylindrical portion on the opposite end, and centrally with a stop shoulder, as well as with a welding zone, having a heat transfer component, provided between the threaded portion and the stop shoulder. The penetration fitting also includes a locking ring at least provided with a smooth cylindrical portion that can be coupled with the welding zone of the cylindrical sleeve provided with the heat transfer component.

A method of fabricating a conduit comprises simultaneously corrugating three plies to form a bellows. The method also comprises simultaneously trimming a corrugated inboard ply and a first corrugated outboard ply of the bellows. The method further comprises locating a weld-through ring and a second weld-through ring between the corrugated inboard ply and the first corrugated outboard ply. The method additionally comprises forming a port and a second port through the weld-through ring and the second weld-through ring, respectively. The method also comprises communicatively coupling a sensor and a second sensor with an interstitial space, interposed between the corrugated inboard play and the first corrugated outboard ply, via the port and the second port, respectively.

A conduit (100) for transporting a fluid comprises a first collar (102), a second collar (103), a bellows (108), and a sensor (116). The bellows (108) comprises a central axis (180), a first corrugated outboard ply (114), a corrugated inboard ply (110), interposed between the first corrugated outboard ply (114) and the central axis (180), an interstitial space (126), interposed between the corrugated inboard ply (110) and the first corrugated outboard ply (114), and a second corrugated outboard ply (112) within the interstitial space (126). The corrugated inboard ply (110), the first corrugated outboard ply (114), and a weld-through ring (150) are welded to the first collar (102) and the second collar (102). The second corrugated outboard ply (112) is not hermetically coupled to the first collar (102) or the second collar (103). The sensor (116) is communicatively coupled with the interstitial space (126).

A conduit (100) for transporting a fluid comprises a first collar (102), a second collar (103), and a bellows (108). The bellows (108) comprises a corrugated inboard ply (110), a corrugated outboard ply (112), and an interstitial space (126), interposed between the corrugated inboard ply (110) and the corrugated outboard ply (112). The conduit additionally comprises a first weld (138), hermetically coupling the corrugated inboard ply (110) and a first outer collar portion (104), a second weld (134), hermetically coupling the corrugated outboard ply (112) and a first inner collar portion (106), a third weld (186), hermetically coupling the corrugated inboard ply (110) and a second outer collar portion (105), a fourth weld (184), hermetically coupling the corrugated outboard ply (112) and a second inner collar portion (107), and a first sensor (116), communicatively coupled with the interstitial space (126).

A conduit (100) for transporting a fluid comprises a first collar (102), a second collar (103), and a bellows (108). The bellows (108) comprises a first corrugated outboard ply (114), a corrugated inboard ply (110), an interstitial space (126), interposed between the corrugated inboard ply (110) and the first corrugated outboard ply (114), and a second corrugated outboard ply (112) within the interstitial space (126). The first corrugated outboard ply (114) and the corrugated inboard ply (110) are hermetically coupled to the first collar (102) and the second collar (103). The conduit (100) additionally comprises a first sensor 116, communicatively coupled with an interstitial space (126). The second corrugated outboard ply (112) is not hermetically coupled to the first collar (102) or the second collar (103).