Abstract: A flow diverting device is provided at the lower end of the dip-tube (D) in a bag-in-keg container (C) which is filled top-side-down, e.g. with beer. The device directs the incoming flow to run smoothly back down the outside of the dip tube, gently into the already pooled beer thus minimising any fountain effect and associated turbulence. The device can also be used with single-wall metal or plastic kegs to reduce the dispensing of sediment and allow a greater volume of beer to be withdrawn without fobbing.

Abstract: A valve member for an inlet or outlet valve assembly of a reciprocating pump assembly includes a valve body and a seal member. The valve body comprises a first body surface and a second body surface that extend circumferentially about the valve body. The valve body defines a body axis and an annular cavity. The seal member is positioned at least partially within the annular cavity of the valve body such that an outer seal portion of the seal member extends between the first body surface and the second body surface of the valve body. The outer seal portion of the seal member comprises a first seal surface and a second seal surface. The first body surface, the first seal surface, and the second seal surface extend at different angles relative to the body axis.

Abstract: A valve includes a valve body having a gas inlet and a gas outlet. The valve body has an internal circumferential wall defining a gas passageway between the gas inlet and gas outlet. The inlet of the valve body is connectable to a source of pressurized gas. The valve also includes a rupture disc provided adjacent said gas inlet, wherein the ruptured disc is configured to prevent flow of gas through said inlet when intact and to allow flow of gas through said inlet when ruptured. The valve includes ribs radially extending from the internal circumferential wall, said ribs extending longitudinally in the direction to the gas outlet and from the gas inlet in a maze-type pattern. The ribs may be formed in a printed pattern to form a maze with dead-ends.

Abstract: Simplified nuclear reactors include depressurization systems or gravity-driven injection systems or both. The systems depressurize and cool the reactor without operator intervention and power. An underground containment building may be used with the depressurization and injection systems passing through the same from above ground. Depressurization systems may use a rupture disk, relief line, pool, and filter to open the reactor and carry coolant away for condensation and exhausting. Injection systems may use a coolant tank above the nuclear reactor to inject liquid coolant by gravity into the reactor through an injection line and valve. The rupture disk and valve may be integral with the reactor and use penetration seals where systems pass through containment. Rupture disks and valves can actuate passively, at a pressure setpoint or other condition, through fluidic controls, setpoint failure, etc. The depressurization system and injection system together feed-and-bleed coolant through the reactor.

Abstract: The invention relates to a pressure relief device and to a method for producing a pressure relief device, the pressure relief device (10) comprising a rupture disc (11) and a vacuum support (12, 32), the rupture disc and the vacuum support being made of graphite, the one-piece rupture disc having an exit side (13) and an entry side (14), the rupture disc having a recess (15) on the entry side, said recess (15, 33) forming a rupture area (17) within a retainer (16) of the rupture disc, the vacuum support being inserted in the recess, the pressure relief device having a carbon retaining device (30) for a form-fitted fastening of the vacuum support in the recess.

Abstract: The present disclosure provides a thermal-activated pressure relief device of a fuel cell vehicle, the thermal-activated pressure relief device including: a hollow body mounted at an outlet of a hydrogen tank; a hydrogen discharge block having a plurality of first hydrogen discharge holes and mounted and fixed in an upper portion of the hollow body; a hydrogen discharge pipe having a plurality of second hydrogen discharge holes and connected to a bottom of the hydrogen discharge block; a piston fitted on an outer side of the hydrogen discharge pipe to be able to move up and down and to open and close the second hydrogen discharge holes; a stopper mounted in a lower portion of the hollow body and limiting a downward movement distance of the piston; and a melting alloy disposed between the piston and the stopper and melting at a predetermined temperature or more.

Abstract: A connection assembly for a tube having a first pin attached to the tube, the first pin having a first sealing member; a second pin attached to a jumper tube, the second pin having a second sealing member; and a movable sleeve configured to sealingly engage the first sealing member and the second sealing member.

Abstract: Provided is an outdoor unit for use in a refrigeration cycle apparatus circulating refrigerant mixture inclusive of 1,1,2-trifluoroethylene, the outdoor unit including: a casing; a pipe configured to allow the refrigerant mixture to flow through the pipe, the pipe being accommodated inside the casing and including a bend portion, the bend portion including a breakage-guide structure having a pressure resistance lower than a pressure resistance of rest of the pipe; and a plate interposed between the breakage-guide structure and outside of the casing.

Abstract: A valve for delivery of fluid between two chambers. The valve includes a plug, force spring that opens the plug, and a base that joins/mates with the inner surface of a chamber. Plug sealing mechanisms seal the plug to the base. Chamber sealing mechanisms seal an inner surface of a chamber bore or conduit. The valve also includes a trigger arm that holds the plug down until the trigger arm is actuated to cause the plug to move and the valve to open. The valve also includes a remotely-actuatable trigger for releasing the trigger arm. A channel permits the transfer of fluid from one side of the plug to the other.

Abstract: Housings for gas in a gas insulated switchgear (GIS) system is provided. The housing includes a pressure relief mechanism incorporated into the housing. The pressure relief mechanism includes a portion of the housing having a first thickness, different from a second thickness of a remaining portion of the housing, the first thickness being less than the second thickness. The pressure relief mechanism is configured to rupture at predetermined overpressure conditions to vent bi-products of an arc fault in the GIS system.

Abstract: Some embodiments of the invention provide a valve including a body, a valve element arranged within the body to selectively inhibit flow through the body, and a seal assembly that includes a body gasket and a retaining ring. The retaining ring includes a cutter that is arranged to cut the body gasket during installation. A two-plane seal is formed by cutting the body gasket between the retaining ring and the body.

Abstract: A flange assembly comprises an annular mounting ring and a gate. The annular mounting ring is configured to be welded to the equipment and to connect an air cannon thereto. The mounting ring comprises threaded bolt holes and a slot and encircles a fluid passageway. The gate comprises a blocking portion that is frangibly connected to a flange portion. The gate is at least partially insertable through the slot such that the blocking portion is able to at least partially prevent fluid flow through the fluid passageway. The flange portion is configured to be securely attached to the annular mounting ring after the blocking portion of the gate has been frangibly disconnected from the flange portion.

Abstract: A cryogenic fluid cylinder includes an inner vessel for holding cryogenic fluid, a cylindrically shaped outer vessel having a vertical longitudinal axis surrounds the inner vessel and forms an insulating space there between, and operating controls located on a top of the outer vessel. Customer or end user operating controls include a liquid-use valve for selectively dispensing liquid cryogen, a pressure-building valve for selectively controlling a pressure building circuit, and a gas-use valve for selectively dispensing cryogen gas. Supplier or maintenance personnel operating controls include an economizer regulator for selectively setting at least one desired pressure of the inner vessel, a vent valve for selectively venting cryogen fluid, and a vacuum pressure port for indicating vacuum pressure between the vessels. The end user controls are located on a front side of the outer vessel while the supplier controls are located on a rear side of the outer vessel.

Abstract: Systems and methods are provided herein for gas storage and the safe release of gas using cascading burst discs. A vessel for storing gas is in pneumatic communication with a first flow path. A first burst disc is disposed in the first flow path such that gas flow is prevented when the disc is intact. A second flow path is in pneumatic communication with the first flow path and configured to receive gas flow when the first burst disc is ruptured. A second burst disc is disposed in the second flow path and configured to prevent a gas flow while the second burst disc is intact. At an operating pressure, the first burst disc may be punctured by an operator allowing normal use of the system. In the event of a gas overpressure, the first and second burst discs will rupture permitting safe release of the gas.

Abstract: A safety valve includes: a valve element; a valve seat that has a gas release hole from which a gas is released and a protrusion that protrudes towards the valve element; and a meltable body that is made of a material capable of being melt at an abnormal high temperature. At a temperature other than the abnormal high temperature, the meltable body limits displacement of the valve element to thereby prevent inflow of the gas towards the gas release hole. At the abnormal high temperature, the meltable body is melt, thereby the valve element is displaced and the gas is released from the gas release hole.

Abstract: System, apparatus and method for opening a heat-bonded connection formed between two hollow, flexible thermoplastic conduits. A pressure difference is created between the inside of at least one of the conduits and the ambient atmosphere sufficient to cause expansion of a wall of the tubing conduit in the vicinity of a frangible portion at least partially blocking the connection to disrupt the frangible portion and reduce the blocking.

Abstract: A rotary machine is provided with a casing and an atmosphere relief mechanism (20) for closing an opening (12) for atmospheric release formed in the casing and relieving pressure of inner fluid to atmosphere when a pressure in the casing rises. The atmosphere relief mechanism includes: a rupture disc (24) configured to rupture when the pressure in the casing reaches a predetermined pressure; a pair of annular holding parts (22, 27) arranged to hold an outer edge of the rupture disc from both sides; a plurality of fastening members (29) for fastening the pair of annular holding parts to each other so as to hold the rupture disc between the pair of annular holding parts; and an annular spacer part (25) provided along an outer circumference of the rupture disc.

Abstract: A pressure relief apparatus for a balloon dilation catheter having a shaft with a dilation balloon attached to the distal end of the shaft and an inflation/deflation lumen for inflating and deflating the balloon includes a pressure relief port formed through the wall of the inflation/deflation lumen with a pressure relief member secured across the pressure relief port to form a fluid tight seal such that the fluid tight seal formed by the pressure relief member fails at a predetermined pressure to release pressure from the inflation/deflation lumen through the pressure relief port. A splash guard is positioned across the pressure relief port, the splash guard being formed from a fluid permeable body defining a plurality of flow passages therethrough, whereby the splash guard partially obstructs fluid flow through the pressure relief port to prevent a direct uncontrolled release of the fluid from the pressure relief port.

Abstract: A hydraulic bicycle component kit includes a first hydraulic component and a hydraulic hose. The first hydraulic component has a first fluid path. The hydraulic hose is filled with hydraulic fluid. The hydraulic hose has a first end with a first opening and a first seal that seals the first opening. The hydraulic hose and the first hydraulic component are configured such that the first seal of the hydraulic hose is physically ruptured by a first seal rupturing structure.

Abstract: A closure device for a container of compressed gas, particularly a capsule having a water capacity in the range of 5 to 100 ml, comprises a shut-off valve 122 and a pressure-reducing valve 120, particularly a pressure regulating valve. The shut-off valve 122 is on the lower pressure side of the pressure-reducing valve 120. The closure device may also comprise a fill valve 118 to enable the container to be recharged with gas.

Abstract: Systems and methods are provided herein for gas storage and the safe release of gas using cascading burst discs. A vessel for storing gas is in pneumatic communication with a first flow path. A first burst disc is disposed in the first flow path such that gas flow is prevented when the disc is intact. A second flow path is in pneumatic communication with the first flow path and configured to receive gas flow when the first burst disc is ruptured. A second burst disc is disposed in the second flow path and configured to prevent a gas flow while the second burst disc is intact. At an operating pressure, the first burst disc may be punctured by an operator allowing normal use of the system. In the event of a gas overpressure, the first and second burst discs will rupture permitting safe release of the gas.

Abstract: A safety unit for a home carbonation machine that includes a valve to release gas from a sealed state at a first pressure and a backup element set to rupture at a second higher pressure when the valve malfunctions. The valve also includes a backup element housing which moves to vent the gas via an outlet during carbonation and which has a conduit to direct the gas to the backup element.

Abstract: A modular hydraulic hammer reduction system for railroad tank cars includes tubular hydraulic hammer reduction devices which include means to connect the tubular devices to flanges other than by welding or being cast together. For example, the tubular devices can be press fit into the flanges, or the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings), or even more preferably the tubular devices can be press fit into the flanges and the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings). The advantage of this modular construction is that one can manufacture multiple tubular devices and multiple flanges of each type, and connect the flanges to the tubular devices on an as-needed basis.

Abstract: The invention relates to a security device forming a pressurized gas release valve, said device including a body that defines a gas flow channel extending between a first upstream end, to be placed in contact with a source of pressurized gas, and a second downstream end, to be placed in contact with the outer atmosphere, the device including a stopper that is located on the channel so as to prevent the flow of the gas between the upstream end and the downstream end in a normal situation, the stopper being fusible and/or frangible so as to release the gas passage in the event of a dangerous situation when a pressure and/or a temperature exceeds a predetermined threshold. Said device is characterized in that said device includes a tank of an unstable, exothermically decomposable gas that is placed in communication with the pressurized gas released during the melting/breaking of the stopper.

Abstract: The invention relates to a container (1) for a fluid for metering a reagent into a microfluidic system. The container comprises a chamber (4) and a first film (3) which seals off the chamber (4) so that the fluid is encapsulated in the chamber. Advantageously, the first film (3) is an aluminum sealing film. A second film (7) is sealingly arranged on the first film, for example by adhesive bonding of the film layers. The films differ in their tear strength such that when pressure is applied simultaneously to both films the first film tears while the second film deforms elastically and/or plastically. By tearing the first film a connection is produced between the container chamber and an inlet channel so that a fluid contained in the chamber flows into the microfluidic system.

Abstract: Plural door portions are formed by sectioning the gas blowing section of the gas generator with slits. In a state in which gas has been generated by the gas generator, the plural door portions part at the slits and open towards the outside of the casing body. A gas flow path section is connected to a peripheral wall section configuring an deployment space permitting opening of the door portions. The gas flow path section is provided with an upstream portion which is in communication with the deployment space and formed along a direction orthogonal to the direction of gas blowing from the gas blowing section, and an opening portion provided at the gas inflow side, which is set so as to communicate with a space which is between adjacent door portions when the door portions 56 are in a opened state.

Abstract: A modular hydraulic hammer reduction system for railroad tank cars includes tubular hydraulic hammer reduction devices which include means to connect the tubular devices to flanges other than by welding or being cast together. For example, the tubular devices can be press fit into the flanges, or the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings), or even more preferably the tubular devices can be press fit into the flanges and the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings). The advantage of this modular construction is that one can manufacture multiple tubular devices and multiple flanges of each type, and connect the flanges to the tubular devices on an as-needed basis.

Abstract: A gas spring includes a fill valve, and a rupture disc carried by the fill valve. An overpressure relief and fill valve assembly includes a valve housing with a valve passage, the fill valve carried by the valve housing and including a valve stem extending into the valve passage and an overpressure relief passage extending through the fill valve, and a rupture disc carried by the fill valve in communication with the overpressure relief passage. A gas spring may include the valve assembly therein.

Abstract: A device for controlling fluid flow includes a conduit that defines a channel through which fluid flows opposing upstream and downstream directions of fluid flow. A rupture valve obliquely disposed in the channel to selectively prevent fluid flow through the channel, the rupture valve resisting rupture in response to pressure exerted on the rupture valve in the upstream direction and selectively rupturing in response to pressure exerted on the rupture valve in the downstream direction.

Abstract: A fitting used with a container holding a pressurized beverage and adapted for connection to a filling or dispensing device has an annular and outwardly projecting collar formed unitarily with the fitting and forming a passage opening into the container and a flexible burst membrane in the fitting and blocking the passage.

Abstract: A ball within a ball valve comprises a ball, an interior fluid passage extending through the ball, a first flow passage disposed in the ball that allows fluid communication between an exterior fluid and the interior fluid passage, a second flow passage disposed in the ball that extends through a wall of the ball to the interior fluid passage, where the first flow passage and the second flow passage are on opposite hemispheres of the ball, and a flow through device. The flow through device comprises a plug disposed in the second flow passage and configured to sealingly engage the ball, and a shear device configured to engage the plug and retain the plug in the second flow passage.

Abstract: A rupture panel of three layers employs a lower layer (e.g. foam) that is adhesive, a middle layer (e.g. metallic) and a hold down layer. The middle layer has a weakened portion (scoring, openings, for example) that defines the panel burst pressure. A part of the lower layer does not connect to the middle layer. That part that does not connect to the middle layer adheres to the hold down layer. The hold down layer can be in the form of a ring with an open center, the weakened portion of the middle layer occupying a position within the open center of the hold down layer.

Abstract: An aircraft fuel tank vent (100, 200, 300) having a first interface (102, 202, 302) for fluid communication with an aircraft fuel tank interior, and a second interface (104, 204, 304) for fluid communication with an aircraft fuel tank exterior, the vent comprising: a first flow path (118, 218, 326) between the first interface and the second interface, the fuel tank vent having a baffle (126, 226, 317) positioned in the first flow path, and, a second flow path (124, 224, 326) between the first interface and the second interface, the fuel tank vent having a overpressure device (120, 220, 322) positioned in the second flow path, wherein the first and second flow paths are common along at least a part of their length such that they are coincident at the second interface.

Abstract: A pressure control system for controlling pressure in a tank is provided. The pressure control system includes a pressure relief valve and a rupture disc subassembly. The pressure relief valve is connected to the tank. The rupture disc subassembly is located between the pressure relief valve and the tank and is connected to the tank. The pressure relief valve is connected such that removal of the pressure relief valve does not affect the connection of the rupture disc subassembly to the tank.

Abstract: A pressure control system for controlling pressure in a tank is provided. The pressure control system includes a base plate, a pressure relief valve, a rupture disc, a first connector and a second connector. The base plate includes a tank side and a valve side. The pressure relief valve includes a body and a connection portion for coupling the pressure relief valve to the base plate adjacent the valve side. The rupture disc is positioned between the pressure relief valve and the base plate. The first connector extends between the base plate and the pressure relief valve to secure the pressure relief valve to the base plate and secure the rupture disc. The second connector is positioned for securing the base plate to the tank.

Abstract: A valve assembly in accordance with the present invention includes a head portion and a body portion. A throughbore extends through both the head portion and the body portion. A normal fluid flow path is formed within the valve assembly to provide for the controlled exit of a fluid. The valve assembly also includes an automatic pressure-relieving mechanism. The pressure-relieving mechanism includes a disc designed to burst or rupture at a predetermined pressure and an over-pressure fluid flow path for controlling the egress of over-pressure fluid.

Abstract: A pressure relief valve assembly includes a body having a passage extending therethrough. The body includes an upstream end adapted to be connected to a source of fluid pressure, an intermediate portion, and a downstream end having a downstream exit. A rupture disk is mounted in the passageway and blocks the fluid pressure of the source from the downstream end. In operation, the rupture disk configured to rupture above a predetermined differential fluid pressure. A catcher is disposed in the passage downstream of the rupture disk. The catcher generally includes a disk portion with at least one opening sized to prevent passage of the rupture disk through the catcher in response to a rupture disk failure while simultaneously allowing fluid flow through the catcher to the downstream exit.

Abstract: A modular hydraulic hammer reduction system for railroad tank cars includes tubular hydraulic hammer reduction devices which include means to connect the tubular devices to flanges other than by welding or being cast together. For example, the tubular devices can be press fit into the flanges, or the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings), or even more preferably the tubular devices can be press fit into the flanges and the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings). The advantage of this modular construction is that one can manufacture multiple tubular devices and multiple flanges of each type, and connect the flanges to the tubular devices on an as-needed basis.

Abstract: A rupture panel of three layers employs a lower layer (e.g. foam) that is adhesive, a middle layer (e.g. metallic) and a hold down layer. The middle layer has a weakened portion (scoring, openings, for example) that defines the panel burst pressure. A part of the lower layer does not connect to the middle layer. That part that does not connect to the middle layer adheres to the hold down layer. The hold down layer can be in the form of a ring with an open center, the weakened portion of the middle layer occupying a position within the open center of the hold down layer.

Abstract: A device for controlling fluid flow includes a conduit that defines a channel through which fluid flows opposing upstream and downstream directions of fluid flow. A rupture valve obliquely disposed in the channel to selectively prevent fluid flow through the channel, the rupture valve resisting rupture in response to pressure exerted on the rupture valve in the upstream direction and selectively rupturing in response to pressure exerted on the rupture valve in the downstream direction.

Abstract: An improved normally open (NO) gas pressure regulator is provided. Preferably, the regulator is employed with a paintball marker and operates as a NO regulator yet automatically purges the retained pressure downstream of the regulator upon removal of the supply pressure. The gas pressure regulator of the present invention includes a pressure-controlled plunger inside the NO regulator that allows the regulated downstream gases to be purged from the system as the supply source is removed from the marker. Accordingly, since the downstream regulated gases are allowed to exit the system when the supply source is removed, the regulated gas pressure is released and the paintball marker is rendered inoperable and safe.

Abstract: Systems (e.g., bioprocessing systems), including methods and apparatus, for controlling the flow of a sterilizing agent (e.g., steam) and/or at least one fluid reagent by utilizing a pressure-responsive valve, such as a rupture valve and/or a swing valve.

Abstract: An aircraft venting tank (for example a surge tank) has a stack pipe unit. The stack pipe unit comprises first and second portions and houses a frangible overpressure protector element (for example a frangible disc). The stack pipe unit may be arranged to have a fitted configuration in which the first portion of the stack pipe unit is attached to a part of the venting tank structure, the first portion is coupled to the second portion, and the second portion is coupled to another part of the venting tank structure. The first portion may be held in a relationship with the second portion so as to form a seal between the frangible element, and the first and second portions. In a frangible element-replacement configuration the second portion may be coupled to the venting tank structure, such that the frangible overpressure protector element can be replaced without removal of the second portion from the venting tank structure.

Abstract: An apparatus for rapidly terminating of the flow of any fluid or particulate material through a conduit responsive to predefined dangerous conditions. A particular application will terminate fuel flow through a large fuel supply conduit in a racing vehicle responsive to a fire or accident or other dangerous condition. The apparatus includes a gas supply source that is opened responsive to actuation of the apparatus such that gas passes into a cylinder which moves to force a liquid to hydraulically expand an inflatable member which is operative to expand within the flow conduit to instantaneously terminate material flow therethrough.

Abstract: A rupture disc assembly for pneumatic plugs constructed and arranged to cooperate with an aperture in an end casting or other plug component to expel excess air from the plug interior when a predetermined internal plug pressure is reached. The rupture disc holder assembly may have a two part body structure and be mounted to the inside or outside of the pneumatic plug. The rupture disc assembly utilizes a rupturable member in a flanged holder structure positioned in communication with the pneumatic plug.

Abstract: A burst disc arrangement for a cryostat comprising a replaceable burst disc (52) held in compression between a high-pressure flange formed at an end of a high-pressure conduit (12), and a low-pressure flange (60) formed at an end of a low-pressure conduit (14). In particular, the burst disc arrangement further comprises: a housing (50) enclosing the high- and low-pressure flanges; and compression means (56), distributed around the housing (50) and being arranged to bear upon the one of the flanges (60), so as to urge it towards the other flange, thereby retaining the burst disc (52) in compression between the flanges. The housing (50) includes a first opening (20) large enough to allow the replaceable burst disc (52) to pass therethrough.

Abstract: The present invention discloses multiple loop reactor wherein one of the settling legs transferring polymer product from one loop to a further loop can be taken out of service or re-opened without interfering with the operation of said multiple loop reactor.

Abstract: A low-profile burst disk assembly for safely venting excess pressure from a pressurized fluid system by way of a tortuous fluid flow path. A burst disk plug includes a male thread and is thereby adapted to thread into the body of a pressurizable chamber. The burst disk plug further includes a fluid receiving port placed in fluid communication between the burst disk and one or more bleed channels open to ambient pressure. The one or more bleed channels generally run axially through the burst disk plug, either intersecting or bypassing the male thread. Embodiments with a plurality of bleed channels generally include a distribution manifold positioned in fluid communication between the fluid receiving port and the one or more bleed channels to ensure an even distribution of venting pressure among the bleed channels.

Abstract: A temporary sealer for pipe repair and construction includes a sealing head, and a breakable film. The sealing head has a tubular shape and a size and shape corresponding to an inner diameter of a pipe. The breakable film is formed at the sealing face of the sealing head, wherein the breakable film forms a water barrier for temporarily restricting a flow of water passing through the sealing head within the pipe when the sealing head is slid into the pipe. The breakable film is inevitably torn apart in responsive to a predetermined water pressure for enabling the water flow passing through the sealing head within the pipe. Therefore, it not only provides a way to efficiently block the water flow when the water pipe needs construction, but also provides an apparatus involving the flow system when the water pipe system is finished with construction.

Abstract: A pre-assembled, pre-tested quench path outlet assembly for providing a cryogen egress path from a cryogen vessel. A quench valve (26) is mounted within a flange (28). A cryogen egress tube (32) is sealed in leak-tight manner to the flange, to define a cryogen egress path (40) extending through the cryogen egress tube, the flange and the quench valve. The cryogen egress path is closed by a burst disc (34). In use, the pre-assembled, pre-tested quench path outlet assembly is mounted onto the cryogen vessel such that thermal stratification of gas within the cryogen vessel under normal conditions causes a lower end of the cryogen egress tube to be at a temperature below the freezing points of common air components.