Abstract: A subsea connection system for connecting to a hub has a body with an interior passageway, a collet having a plurality of collet segments, an outer sleeve overlying the collet, and a poppet valve assembly positioned within the interior passageway of the body. The plurality of collet segments are movable between a locked position and an unlocked position. The poppet valve assembly is movable between an open position and a closed position in which the open position allows a fluid to flow through the interior passageway and the closed position blocks a flow of fluid through the interior passageway. The outer sleeve is movable so as to cause the plurality of collet segments to join to a hub.

Abstract: A valved male luer connector includes an elastic hollow element which encloses a tubular member having an inlet portion and an outlet portion. A collar is axially displaceable causing a stretching deformation of the elastic hollow element and opening the flow passage between the inlet portion and the outlet portion of the tubular member. A priming cap is designed to be releasably connected to the casing of the valved connector to provide stretching deformation of the elastic element and keep the outlet portion of the tubular member in communication with the atmosphere through a liquid-impermeable barrier.

Abstract: Disclosed are exemplary embodiments of apparatus, systems and methods relating to transfer of fluids to/from containers and/or storage/transport of fluids in containers. In an exemplary embodiment, an apparatus comprises a container including a fitment having an opening. The apparatus may include a valve within the fitment. The valve may be configured to inhibit fluid flow out of the container. The apparatus may also include a transfer tube configured to be positioned through the opening of the fitment. The transfer tube may engage and open the valve to thereby provide an open passage to/from the container.

Abstract: A connection assembly, system and method for connecting components of a wellsite are provided. The wellsite has a wellbore extending into a subsurface formation, the connection assembly includes a female connector having a cavity extending therein, a floating cartridge having, and a male connector. The female connector or floating cartridge is operatively connectable to a first of the components. The floating cartridge is operatively connectable to the female connector and laterally movable therein. The male connector is receivable in the cavity and is operatively connectable to the second of the components and the floating cartridge such that the male connector and the female connector are movably positionable relative to each other by the floating cartridge whereby a misalignment between the wellsite components is tolerated. The male connector may have a joint pivotally connectable to the floating cartridge.

Abstract: Example embodiments are directed to an enclosure. The enclosure can include at least one wall forming a cavity. The enclosure can also include a conduit receiver disposed in the at least one wall. The conduit receiver can include a housing having an aperture, where the aperture is configured to receive a conduit. The conduit receiver can also include a retaining element disposed within the housing at a distal end of the housing. The conduit receiver can further include a sealing device disposed within the housing at a proximal end of the housing. The conduit receiver can also include a bushing adjacent to the proximal end of the housing, where the bushing extends radially inward from the at least one wall, where the bushing is configured to abut against the conduit when the conduit is received in the aperture, and where the bushing covers an end of the conduit.

Abstract: A fitting for providing a fluid connection between a capillary and a fluidic conduit of a fluidic component, wherein the fitting comprises a capillary reception configured for receiving the capillary, a force applicator configured for being operable to apply a fixing force for fixing the capillary within the fitting, a force limitation mechanism configured for limiting the fixing force being applicable by the force applicator to the capillary, a force splitter configured for splitting the fixing force into an advance force component for advancing the capillary received in the capillary reception towards the fluidic component and into a clamping force component for clamping the capillary received in the capillary reception within the fitting, and a biasing mechanism particularly arranged between the force applicator and the force splitter and configured for biasing the force splitter against the capillary.

Abstract: According to one aspect, a quick disconnect connector is provided. The quick disconnect connector includes a first component and a second component which is matable with the first component. A releasing element is engageable with at least one of the first component and the second component to unmate the first component and the second component. A locking element is movable between a locked position and an unlocked position. The locking element, in the locked position, engages the releasing element to prevent the releasing element from unmating the first component and the second component. The locking element is movable from the unlocked position to the locked position by application of a locking force to the locking element. The locking force can be applied to the locking element by fluid being carried by the quick-disconnect connector.

Abstract: A system for coupling a conduit to a valve is disclosed. The valve includes at least one coupling, wherein the coupling includes an inlet leading to an internal chamber of the valve, a collar positioned within the inlet, a gripper positioned partially within the inlet and in contact with at least a portion of the collar, and a wiper seal positioned within the internal chamber. The system further includes a conduit, wherein the conduit is insertable through the gripper via a first force, and wherein the conduit is subsequently insertable through the wiper seal via a second force that is less than the value of the first force. The conduit may optionally be labeled with a set of visual markings to provide proper cutting angles and to indication proper positioning of the conduit into the valve to effectuate a tight seal.

Abstract: A coupling part, particularly a coupling cuff, for a quick-release coupling for high-pressure hydraulic lines, has a coupling housing having a through-flow channel and a valve device disposed within the through-flow channel, this device having a tappet-like closing valve for closing off the through-flow channel in the uncoupled state of the coupling part. The coupling housing has a conical valve seat surface, and the closing valve has a longitudinal valve axis as well as a valve head having a conical surface and a valve sealing ring for sealing contact with the valve seat surface. The valve sealing ring has a circular-cylindrical ring circumference surface that projects beyond the conical surface in the radial direction and has a valve seal diameter DVD.

Abstract: An endoscope connection tool includes a cylindrical portion having an inflow port connected to a fluid delivery apparatus, a discharge port discharging a fluid from the inflow port, and a flow path connecting the inflow port and the discharge port, a detection hole opened in an outer periphery of the cylindrical portion, and communicating with the flow path, a holding portion engaging with a pipe sleeve of an endoscope, and thereby holding the discharge port in a position facing an opening portion of the pipe sleeve, an urging member placed at the outer periphery of the cylindrical portion, and extending and contracting in a direction along the flow path, and a cover portion that is placed at the outer periphery of the cylindrical portion, moves to advance and retreat between a first position and a second position along the flow path by being interlocked with the urging member.

Abstract: A joint unit is provided, including a main body, a bush, which is fastened to the main body in the axial direction and forms with the main body a receiving space intended to receive a connecting piece not forming part of the joint unit, and a retaining unit for interacting with the main body and the connecting piece. The bush and the retaining unit are formed together in one piece. A joint assembly is further provided, including a joint unit and a connecting piece.

Abstract: An improved feeder system and method for continuous vapor transport deposition that includes at least two vaporizers couple to a common distributor through an improved seal for separately vaporizing and collecting at least any two vaporizable materials for deposition as a material layer on a substrate. Multiple vaporizer provide redundancy and allow for continuous deposition during vaporizer maintenance and repair.

Abstract: Coupling arrangements and connectors for establishing a substantially fluid-tight removable connection between a plurality of fluid ports or channels in a medical device such as, an endoscope. Various embodiments of the connectors may be coupled to a plurality of fluid conduits that may be attached to a decontamination or reprocessing device used to flow fluid through corresponding channels in the medical device during the decontamination process.

Abstract: A leak proof needleless medical connector has a housing, an actuator, a resilient member and an adapter. The housing includes a valve tube. The valve tube has a bottom annular blocking projection extending from an inner surface thereof. The actuator and the resilient member are mounted in the housing and the adapter is mounted on a top of the housing. A bottom valve stem is mounted in the valve tube of the housing. A gap is formed between the bottom valve stem and the valve tube. A bottom end of the bottom valve stem abuts the bottom annular blocking projection of the valve tube to close an open bottom of the valve tube. In use, a dosing unit is screwed into the needleless medical connector. Thus, a flow channel is formed within the needleless medical connector and the dosing unit to allow passage of medication.

Abstract: An electric resonant circuit is provided in a receiving part of a coupling for a fluid line, the resonant circuit interacting with a tuning device in a contactless manner. In an intermediate position of an insert part, which differs from a closed position, the resonant circuit has a resonant frequency that differs from the characteristic closure frequency, and in the closed position the resonant circuit has the characteristic closure frequency. The tuning device acts on the inductance of the electric resonant circuit. An acting part is provided that mechanically acts on the coil when the insert part is inserted into the receiving part such that the shape of the coil in the closed position differs from the shape of the coil in the intermediate position.

Abstract: A female coupling-half has two pawls (7) each with a distal detent (8), to engage the nipple (3) circumferential groove, and a proximal rounded detent (15), which can lodge in either a rest closed position (16) for a closed valve (2) or a valve-open position (17). The inserted nipple (3) moves the valve (2) which brings with it the pawls (7) via central projections (13) thereon and the manual sleeve (10) until the proximal rounded detent (15) lodges in its valve-open position (17). Retraction of the sleeve (10) for release holds the nipple (3) in an intermediate pressure relief position until ejection pressure is no longer exerted on the nipple (3) and the sleeve (10) is allowed to spring out to its fully extended position completely releasing the nipple (3).

Abstract: The invention relates to a hydraulic coupling bush (1), comprising a bush housing (4), in particular a sleeve-shaped hush housing (4), in which a hush tappet (12), an axially movable compression sleeve (13) that surrounds the hush tappet (12) in an axially parallel manner, in particular coaxially, and an axially movable retaining sleeve (16) that surrounds the compression sleeve (13) in an axially parallel manner, in particular coaxially, are arranged in an axially parallel manner, in particular coaxially, the outer surface of the retaining sleeve supporting or releasing securing elements (18) arranged in the bush housing (4) in the dial direction and the in particular annular end face (16a) of the retaining sleeve lying at least substantially in one plane with the end faces (12a) of the bush tappet (12) and of the bush housing (4) in the decoupled state, wherein the compression sleeve is ex posed from the inside to a hydraulic fluid to be conveyed through the bush at least substantially without applying axia

Abstract: A shut-off valve or connecting valve capable of connecting a fuel supply to a fuel cell is disclosed. The valve comprises a first valve component and a second valve component. Each valve component has an outer housing and a biased slidable member disposed inside the housing forming an internal seal. During the connection process, the two valve components establish an inter-component seal. Afterward, in one suitable embodiment the slidable member moves inward and opens the internal seal in the valve component to establish a flow path. In another embodiment, the slidable member moves inward and exposes a first filler and the first filler abuts a second filler in the other valve component to establish a flow path. In other embodiments, at least one valve component is sized and dimensioned to limit access to the internal seal.

Abstract: A quick-connect coupling for connecting an exchangeable head to a pressing device has balls K1 with a diameter D1, which are radially movably disposed in a ball-holding part on the pressing device. Balls K1 being held radially fixed in a groove on the head with a depth N1 by a locking ring in the connected state. The head has a further peripheral groove with a depth N2. The further groove is designed to hold part of further balls K2 with a diameter D2, wherein the balls K2 are likewise disposed in a radially movable manner in the ball-holding part and wherein the diameter D2 is greater than the diameter D1. The diameter D1 is the same or smaller than the difference between the diameter D2 and the groove depth N2.

Abstract: A water outflow device includes a joint and an outflow component. The joint includes a connector, sleeve, plunger, and a spring. The connector having a through hole is threaded to a house pipe and a threaded port of the sleeve respectively. The sleeve has a connection port on an opposite end against the threaded port. The plunger is movable between a close position and an open position so as to link or isolate the through hole of the connector and the connection port of the sleeve. The spring arranged inside the connector serves to push the plunger to maintain the plunger in the close position. The outflow component has a buckle portion, seal portion, and a push portion. The buckle portion is separably arranged to the connection port of the sleeve. The seal portion is extending from the buckle portion.

Abstract: An intravascular valve assembly having a valve case and a flexible pressure-actuated flow control valve. The valve case includes attached proximal and distal case portions that present respective spaced apart fluid ports and a fluid passageway extending between the ports. The flexible pressure-actuated flow control valve is disposed within the fluid passageway and includes a slitted central valve wall. The proximal case portion includes an axially-extending boss that projects distally, with a portion of a distal end of the boss contacting the flow control valve. The valve permits fluid flowing in a distal direction to pass through the slit. Fluid flowing in a proximal direction, however, causes the valve to compresses against the boss and the slit to close, thus restricting fluid flow in a proximal direction.

Abstract: A fluid coupling includes a socket with a socket main body, a fixed valve, a guide which is engaged with the fixed valve and biased to be pressed against an inner surface of the socket main body, and a guide spring which biases the guide, and a plug with a plug main body, a movable valve, a valve spring, and a valve holder which supports the movable valve and the valve spring. When the plug is inserted into the socket, the guide moves rearward against a biasing force of the guide spring to connect a flow path between the plug and the socket. A fitted portion, which is fitted into the distal end of the plug, is disposed at the end portion of the guide. First seal members are disposed between the fitted portion and a distal end of the plug.

Abstract: A lawn and garden sprayer system having a container and a spray wand fluidly connected to the container is provided. The spray wand includes a wand housing that has a slot formed in one side thereof that is configured to engage a lug formed on one side of the container for purposes of stowing the wand during shipping and when not in use. A communications card assembly is detachably connected between the container and spray wand during shipment and prior to its first use. The hose includes a coupler end that engaged a cap on the container and facilitates creation of a fluid circuit between the fluid contents in the container and the wand.

Abstract: A conduit coupling for low temperature applications includes two coupling halves that are equipped with a poppet valve and a stem-actuated valve, respectively, so as to open during a coupling process. The stem-actuated valve has a piston that seals by way of a spreading lip seal.

Abstract: A check valve for an aircraft galley plumbing system comprises a valve body including an inlet for a potable water supply line, and first and second outlet ports leading to a distribution manifold. In a preferred embodiment, quick disconnects that include reverse flow inhibitors seal the valve's output ports. A vertical channel extends through the valve body for draining water through the valve, which is coupled to a pressure line connection port that exerts pressure from the aircraft's pressure system. A piston reciprocating across the vertical channel and biased by a spring is in fluid communication with the pressure line connection port, such that when a water pressure is introduced from a water pressure line to the pressure line connection port of sufficient to collapse said spring, the piston blocks said channel, and when the water pressure is insufficient to collapse said spring then the piston retracts to open said channel, allowing fluid to pass thereinthrough.

Abstract: A coupling system includes a female coupling device, the female coupling device including a first main body with a first front face, the first front face defining a first opening leading into a first fluid passageway; a stem having a stem head positioned within a sleeve; a first spring positioned about the stem that biases the sleeve into a closed position; a first seal that seals between the main body and the sleeve; a second seal that seals between the sleeve and the stem head; and a third seal that is positioned at the opening of the main body.

Abstract: A device for automatic closure of control valves in separable connection units for flexible pipes is described. The device comprises, for every sector of the control valve, a slidable body operating on the valve sector to cause closing and opening rotation thereof, elastic means housed within a first chamber to activate the sliding body to cause the closing rotation of said valve sector, a braking fluid housed in a second chamber to brake the movement of said sliding body in the closing direction and fluid dynamic communication means between said chambers to permit the controlled transfer of the braking fluid from the second chamber to the first chamber during the movement of the sliding body in the closing direction. The fluid dynamic communication means comprise a passage duct with an enlarged part and a cartridge with external grooves of variable length inserted in said enlarged part.

Abstract: The invention relates to a discharge and purging device (10) adapted for limiting the pressure of a fluid (F) occupying the inner volume of a connecting endpiece (2). The device (10) comprises a valve or a valve actuation piston; an inner enclosure (30) opening out on a front face (22) of the valve or of the piston; and an obturator (60) moveable between a closed position (C1) where it obturates the front face (22) at a first seal area (Z92) defining a first seal section (S92) towards the front face (22) and an open position where it no longer obturates the front face (22).

Abstract: An oil storing device includes a body portion. The body portion is formed at its one end with an engaging portion having an oil supply port for supplying engine oil and an oil return port for introducing the engine oil. The engaging portion is detachably connected to a connecting portion of a crankcase. Oil storing chambers for storing the engine oil are formed in the body portion so as to be connected to the oil supply port and the oil return port. When the engaging portion is engaged with the connecting portion of the crankcase, the oil supply port is connected to an inlet port leading to an oil pump, and the oil return port is connected to an outlet port to the crankcase.

Abstract: A tire valve (1) having a valve channel (11) with a valve body (10) enclosing a valve seat (15), having at least one connecting piece (9) for connecting the valve body (10) to a valve base (2) is disclosed. The valve body (10) has a valve part (12) inserted in the valve channel (11) and displaceable in the axial direction therein, sealingly bearing against the valve seat (15) of the valve body (10) in the closed position of valve (1). The connecting piece (9) of the valve body (10) is placed in a connecting segment (8) at a distance in the axial direction from the functional valve segment of the valve body (10), and the valve body (10) is implemented as a single piece.

Abstract: The invention provides a fast intake valve that comprises an intake pipe, a middle connector, a rear connector, an intake pipe sealing ring, a receiving pipe, an intake sealing ring, a support frame and a spring. The invention has simple structure and can intake water rapidly and conveniently.

Abstract: Fluid coupling assemblies and methods are discussed. The fluid coupling assemblies include a first coupling member, a second coupling member magnetically engageable with the first coupling member, and a seal member disposed between a portion of the first coupling member and a portion of the second coupling member. A magnetic engagement of the first coupling member and the second coupling member unseals a fluid flow path therebetween. In certain examples, the first coupling member is sealed by a valve member and the second coupling member includes an activation member. When engaged, the valve member is moved from a closed position to an open position by the activation member, thereby unsealing the fluid flow path. A magnetic force between the first coupling member and the second coupling member can be chosen such that the members disengage when a predetermined fluid flow path pressure is reached.

Abstract: A product transfer valve (1) includes a valve body (3), an inlet port (2), an outlet port (18). A safety interlock mechanism includes a segmented collar (22) with internal threads (23) for mounting the valve to a connection. A safety collar (6) is axially movable between a valve open position and a valve closed position, and causes movement of the segmented collar. An interference member (12) engages the safety collar (6) to prevent inadvertent radial outward movement of the internal threads on the segmented collar until the safety collar is moved to the valve closed position.

Abstract: A breakaway assembly including a first connector including a ball portion movably received therein and a second connector including a coupling portion. The assembly is movable between a first configuration in which the coupling portion is removably received in the ball portion and the first and second connectors together define a fluid path through which fluid may flow, and a second configuration in which the coupling portion is not received in the ball portion. The assembly is configured to move from the first configuration to the second configuration when a sufficient separation force is applied to the assembly. The assembly further includes a valve positioned in one of the first or second connectors. The valve is configured to be in an open position when the assembly is in the first configuration to allow fluid to flow therethrough, and to move to a closed position.

Abstract: A valve for inflation and deflation of an air bag that is operable to allow air pressure to open the valve to allow air to enter the air bag with subsequent sealing of the valve upon removal of the air pressure source. For deflation, a common coin is insertable into the valve insert which is subsequently turned into a locked-open position, allowing egress of the air within the air bag.

Abstract: A connector for removably connecting two fluid channels which includes a first element and a second element that fit into one another and wherein the first element includes a body connected with the second element when the second element and the first element are at least partially fitted into one another following a combined relative rotational and translational movement, by a first link between at least one locking pin and at least one locking slot, and wherein the first element includes a single ring mounted around the body and wherein the body and the ring are linked following a combined relative rotational and translational movement by a second link between at least one guiding pin and at least one guiding slot.

Abstract: A connecting device adapted to transmit pressurized gaseous and/or liquid fluids, configured to be coupled with a connecting end provided with an engaging profile and wherein the connecting device includes a tubular body that extends along a longitudinal axis between a front side facing the connecting end in the coupled configuration and a rear side facing opposite the connecting end, a control member that slides relative to the tubular body along the longitudinal axis and at least one coupling member positioned between the tubular body and the control member and including an engaging profile complementary to the engaging profile of the connecting end, and elastically deformable means that push the control member back toward the front side in a maintenance position of the at least one coupling member locked on the connecting end.

Abstract: Coupling holding means 50 comprising retainers 53 and retainer engaging portions 52 for holding a coupled state is provided between a socket S10 and a plug P10 of a coupler. Engaging pawl portions 54 are formed on the inner sides of a pair of retainers 53 provided on both sides of a nozzle portion 32. By causing the retainers 53 to move outwardly in a coupling operation, a gap between the retainers 53 and the nozzle portion 32 can be made small. By forming interference preventing portions 58 in the engaging pawl portions 54, the retainers 53 can be provided at a smaller interval than the outer diameter of the nozzle portion 32 whereby the coupler can be made even more compact. Further, by forming the retainers 53 higher than the foremost end portion of the nozzle portion 32, the nozzle portion 32 can be protected by the retainers 53 even in an unexpected event such as falling and damage will not extend directly to the nozzle portion 32.

Abstract: A quick-release coupling includes a socket defining a first passage in a connection port thereof, a locking member mounted in a front end of the socket and adapted for locking an inserted external male mating connector, an air valve control device mounted in a rear end of the socket, and a leak-proof device having a stopper mounted in the front end of the socket and defining therein a second passage, which is kept in communication with the first passage upon insertion of an external mating male connector into the front end of the socket to move the stopper backward, or blocked from the first passage after removable of the inserted external mating male connector and a forward movement of the stopper by the air valve control device.

Abstract: Positive displacement fluid lock ports for use in combination with an indwelling catheter and a syringe during a flushing/locking procedure are provided. The fluid lock port includes a housing having a distal and a proximal end; a resilient conduit supported within the housing, wherein the conduit defines a lumen therethrough; and at least one biasing member supported in the housing and being operatively associatable with the resilient conduit. The at least one biasing member has a first condition restrained from deforming the resilient conduit and a second condition operatively engaged with the resilient conduit to at least partially occlude the lumen of the resilient conduit.

Abstract: The fluid system for supplying a dialysis device with permeate has a secondary ring line which is guided within a common insulating hose or another form-fit sheathing. Thus, heat loss is reduced and use is facilitated. The insulating hose having the inner lines is adapted to a flow-optimized coupling handpiece having low dead space, which can preferably be coupled to a mating coupling piece.

Abstract: A connector structure for a pressure pipe includes a female connector and a male connector. The female connector includes a piston and a positioning sleeve therein. The female connector has inner threads. The positioning sleeve has outer threads. A nut is fitted on the positioning sleeve. The outer threads of the positioning sleeve are mated with the inner threads of the female connector. The piston has an insertion section to be inserted in the positioning sleeve. The insertion section has a slot and is provided with a first seal ring. The male connector has threads on an outer wall thereof for engagement of the nut of the female connector. The male connector has a coupling section and a second seal ring.

Abstract: A fluid retention assembly for a vehicle transmission has a valve housing, a first member, a second member, and a biasing member. The valve housing has a first portion, a second portion, a third portion, and defines a central bore having a sealing portion. The first member is disposed at least partially in the central bore of the valve housing and includes a shaft portion and a sealing portion. The second member defines a plurality of fluid apertures. The second member is attached to the shaft portion of the first member opposite the sealing portion. The biasing member is disposed at least partially in the central bore of the valve housing coaxial with the first member and has a biasing force that biases the sealing portion of the first member against the sealing portion of the valve housing.

Abstract: An air pump assembly for a power chuck has a frame and two air jet devices. The air jet devices are securely mounted on the frame. Each air jet device has a nozzle and a valve. The nozzle has a main body, a pin and a cap. The pin is mounted in the main body. The cap is mounted around a distal end of the main body and surrounds the pin. The valve may be mounted on a power chuck, faces and aligns with the pin, and has a chunk, a ball and a ball spring. With the air jet devices, the air pump assembly can blow air into a power chuck such that jaws of the power chuck are driven to move.

Abstract: An interlock monitoring system includes a magnetic proximity sensor within a poppet valve type coupler to detect whether the poppet valve is opened or closed. An open poppet valve indicates a proper connection. The sensor consists of dedicated electronics that prevent cheating, or bypassing, by either shorting out or opening the contacts to the sensor. In addition, a ferrous metal proximity switch is used to provide a redundant confirmation of proper connection of the coupler. The ferrous magnetic proximity switch will indicate whether or not the coupler is actually in contact with an appropriate connection. Each of the magnetic proximity sensor and the ferrous magnetic proximity switch must indicate a respective proper condition in order to determine a valid interlock condition.

Abstract: The present invention relates to a valve assembly for insertion in a liquid flow path between a catheter or drain and a liquid bag or container. The valve assembly comprises a first valve member detachably coupled to a second valve member or coupling member by mating locking members. A first controllable valve is adapted to selectively block or enable liquid flow through the first valve member in accordance with a valve control mechanism which is responsive to a coupling state of the first and second locking members.

Abstract: A fluid flow connector including a housing assembly, having a first end and a second end arranged along a common longitudinal axis, and a resilient fluid flow conduit member having a forward end, disposed alongside the first end of the housing assembly, formed with a selectably closable slit and with at least one side opening. The resilient fluid flow conduit member is positionable in a closed position wherein the slit is closed but the at least one side opening is open and in an open position, allowing the slit to open and leaving the at least one side opening open, whereby when the resilient fluid flow conduit member is in the open position, the selectably closable slit and the at least one side opening each provide a fluid flow pathway between an interior of the resilient fluid flow conduit member and the first end of the housing assembly.

Abstract: The present invention includes an improved sprinkler design having a magnetic sensing system for determining the position of the riser nozzle, a waterproofed motor housing and related cables, configurable sprinkler body compartments, and a pilot valve with a check valve assembly, both of which are located within the sprinkler body.

Abstract: The invention relates to a device for selectively blocking a fluid passage, particularly for a tap-filling intake, including a structure defining a channel for the passage of a fluid extending between an inlet at an upstream end and an outlet at a downstream end, a valve seat, a valve selectively mobile in the channel between a first position for blocking the passage by sealingly bearing on the seat and a second position for opening the passage in which the valve is not sealingly bearing on the seat, wherein the blocking device includes a deformable seal, supported by the mobile valve and/or the seat, for bearing against the seat and ensuring the seal of the blocking when the valve is in the first position, characterized in that the mobile valve includes a main body and a stop mobile relative to the main body, the main body and the mobile abutment defining a mechanism for selectively pressurizing the seal and movable between a working position for pressuring the seal for increasing the force thereof on the se

Abstract: An apparatus for the handling of hazardous fluids includes a collection vessel, a collection vessel connector, a dose control connector, a unit dose container, a delivery control connector, and a delivery site access device. The collection vessel contains the fluid prior to dispensing, the unit dose container contains a predetermined amount of the fluid for dispensing, the delivery site access device provides access to an intended delivery site, and the connector attaches pieces of the apparatus to one another. The method of the invention allows needle-free connections to be made for the apparatus, using a predetermined arrangement of the pieces of the apparatus, and in one embodiment, employs deformable elastomeric valves capable of creating a decreased pressure at a valve surface, so that upon closure of said valves, a fluid on the surface on the valves is withdrawn within the connector.