Abstract: The invention relates to a coaxial coupling which comprises a male part (501) and a female part (502) and comprises a bypass valve (218) so that the female part (502) can be decoupled from the male part (501) while pressurized fluid passes through the female part (502). The nipple pipe (105) of the male part (501) pushes a spring-loaded valve (218) in the female part (502) over said rear holes (301) in the inner pipe (2) of the female part. The female part (502) has a rotatable locking sleeve (207), which is coupled to a sleeve (214) accommodating pins (213).

Abstract: A modular coupling system allows a combined gas canister and integral regulator to be used with a wide range of different utilizer devices such as flow meter, conservor or delivery apparatus. A first coupling part is secured to the pressurized gas canister permanently, and carries a combined main delivery valve and venting valve to allow connection of the gas utilizer to the canister by means of a second coupling part formed integrally with or attached to the gas utilizer device by a simple push and twist action which, upon fitting, closes the venting valve; and opens the main delivery valve in sequence.

Abstract: A chemical injection line connector includes first and second couplings configured to automatically seal shut when the members are disengaged. A method for blocking contamination or pressure transfer of chemical injection lines includes securing first and second couplings to corresponding ends of a chemical injection line and automatically sealing the couplings shut when the couplings are disengaged.

Abstract: Disclosed is a self sealing disconnect for use in connection with an environmental control system. The disconnect includes two mating halves each of which houses an internal butterfly valve. When the halves are engaged, the butterfly valves are opened to complete a fluid circuit. Conversely, when the halves are disengaged, the butterfly valves are close so as to prevent the flow of fluids.

Abstract: A quick release connector has a body, a sealing valve and an outer sleeve. The body is hollow, is manufactured as a single piece and has a connecting end, a holding end, an air inlet chamber, a mounting recess, an air outlet chamber, multiple ball holes, multiple releasing holes, a returning spring and multiple balls. The sealing valve is movably mounted in the body. The sealing valve selectively abuts a sealing ring of the body and has an external surface, a closed end, an open end, at lease one air inlet and a pressing ring. The outer sleeve is slidably mounted around the body and has a mounting end, a pushing end, an internal surface, a spring recess, an abutting recess, a holding recess and a pressing spring.

Abstract: Hose coupling incorporates male part and a female part being provided with elements which in corporation with a slide axially displaceable sleeve on the female part renders possible pressure relief at disconnection. These elements are constituted by an angular locking pawl one portion of which is insert able in an axial groove in the female part and has such length that always at least some part thereof is surrounded by the sleeve. The other inwardly directed part of the locking pawl has such length that it extends into the groove of the male part when locking pawl is influenced by the sleeve. The locking pawl is a combined element. To lock the male part when the coupling is connected and lock the male part in an alternative position when it's pressure relieved.

Abstract: A fluid conduit connector apparatus that approximates pneumatic characteristics of a removed pneumatic system component when a fluid conduit is removed from a pneumatic system. The fluid conduit connector apparatus includes a port portion having a valve disposed therein. The valve closes to provide a reduced fluid orifice when a fluid conduit is removed from the port. The reduced fluid orifice is configured to provide pneumatic characteristics of the device being disconnected.

Abstract: A fuel can adapter has a threaded section for threadly engaging with a fuel device. Particularly, the fuel device has a threaded joint for engagement with the thread section of the fuel can adapter. In addition, this threaded joint can be used to connect a fuel can with a thread head, such that fuel in the fuel can can flow to the fuel device. With the fuel can adapter, a fuel can with a head, which does not have a threaded head but has a flange extending circumferentially thereon, is adapted to connect to the fuel device, such that fuel in the fuel can can flow to the fuel device.

Abstract: Known fluid dispensers can suffer from the disadvantage of inadvertent disconnection of a connector causing potentially hazardous spillage of fluid. The present invention relates to a fluid dispensing assembly comprising a tap and a connector body. The tap comprises a first valve, movable between an open and closed position to allow fluid flow through; and a first portion of an interlocking coupling, configured for rotational engagement with a second complementary interlocking coupling portion of the connector body by rotation about a first fluid dispensing assembly axis. The connector body also comprises a second valve, movable between an open and closed position to allow fluid flow through. By this configuration, the first and second interlocking coupling portions remain interlocked preventing disconnection of the connector body from the tap unless the first and second valves are both in the closed position.

Abstract: A coupling for liquid and gas applications has a valve cartridge loaded from a front end of the coupling. The valve cartridge includes a valve body, a valve member, and a valve spring. The valve member is within the valve body and the valve spring coaxially surrounds the valve member and is disposed between the valve body and the valve member. An aperture in the valve body allows the valve member to pass through the valve body. A stop ring is disposed between the valve cartridge and the front-end portion to secure the valve cartridge in the valve cavity. The valve cartridge is secured in a valve cavity of the coupling by the stop ring. The valve member includes a valve that is opened when a mating coupling is inserted into the coupling. The valve also operates to shut off the flow when the couplings are disconnected.

Abstract: A nurse vehicle carries a supply of liquid chemicals or fertilizer for being applied by a sprayer vehicle. A fluid transfer conduit of the nurse vehicle has an end defined by a receptacle that is selectively connected to a complementary dimensioned insert defining an end of a fluid intake conduit of the sprayer vehicle. The receptacle and insert define a coupler assembly that includes an inflatable seal that surrounds the insert and locks the insert and receptacle together when inflated. Flow through the coupler assembly is controlled by first and second poppet valves, which are normally closed preventing flow through valve bodies of the receptacle and insert. Selective inflation of the seal and opening and closing of the poppet valves is automatically controlled in accordance with sequencing logic of an electronic controller so the seal is inflated before the valves are opened and remains inflated until the valves are closed.

Abstract: Fluid circulation valve (10) is provided for use with a well drilling operation, so that a drill joint may be added to or removed from the drill string while continuously circulating fluid into the well. Valve housing (12, 18) has a central flow path therein, a housing side port (87), and upper and lower threaded connectors for engagement with the drill joint and the drill string, respectively. A rotatable ball (30) is positioned within the flow path in the valve housing and a port (87) in the ball is in fluid communication with the housing side port (15) when the ball is closed. A coupling (60) is provided for engaging the valve housing and sealing between an interior of the valve housing and the radially external flow line, which passes fluid into the well when a drill joint is being connecting to the upper end of the valve.

Abstract: A sealing device for a tank access opening whereby the ball is arranged to be displaced within the tank access opening. On introduction of a fuel nozzle, the ball opens the tank access opening.

Abstract: A centralized automatic fluid or gas spill prevention and shut-off valve system that prevents line ruptures comprising means to reduce fluid pressures, such as gas, to appropriate levels, a continuous monitoring of downstream conditions, an immediate stop system of major spillage caused by excessive flow wherein said immediate stop system automatically shuts off the flow of fluids, means for timed shut off of minor fluid flows that exceed a predetermined amount of time and a restarting system that restarts when overflow conditions are corrected, wherein said restarting system works automatically or manually.

Abstract: A sterile connector assembly for mounting on a fluid system includes a first connector and a second connector. The first connector includes a stem defining a fluid passage therethrough, a first housing surrounding the stem and defining a first aperture, and a first valve disposed over the first aperture. The second connector includes a second housing configured to matingly engage the first housing. The second housing defines a second aperture and defines a seal structure. The seal structure is configured to engage the stem. The second connector also includes a second valve disposed over the second aperture. The second valve is configured to engage the first valve when the first housing engages the second housing.

Abstract: A female coupling for receiving a male coupling element and including a female element and a body delimiting a receiving zone. The female element includes a passage having a reduced opening that is closed by a valve and a cylindrical bore for receiving a male connection element. The female element is connected to the body by a nut and a ring member that engage one another in a manner to permit radial displacement of the female element to the body in order to facilitate the alignment of an elongated axis of the male element with an elongated axis along the passage of the female element as the male element is inserted within the cylindrical bore of the female element.

Abstract: An improved fuel line connector for connecting a fuel line connection valve to a fuel cylinder outlet valve includes an improved, replaceable tip seal mounted on the tip or nose of the connector valve. The tip seal provides an additional, effective face seal between the connector body and the cylinder outlet valve. The tip seal, being on the fuel line connector, can be maintained and replaced by the party using the vehicle or filling the fuel cylinder.

Abstract: At least one coupling member (2) has a slide valve holder (42) that is pushed in by the other coupling member (3) when coupled to the coupling member (2). The coupling member (2) further has a rotary valve (41) rotatably supported by the slide valve holder. The slide valve holder has a through-hole (425) constituting a flow path. A valve seat (26) is provided around the through-hole. The rotary valve (41) has an outer peripheral surface portion that slidingly engages the valve seat. One end of a fluid passage (411) extending through the rotary valve is open on the outer peripheral surface portion. The rotary valve is displaceable toward the valve seat and is urged toward the valve seat by a spring member (64). Thus, the outer peripheral surface portion is pressed against the valve seat. When a fluid pressure acts in the coupling member (2) when the coupling members (2, 3) are not coupled to each other, the fluid pressure presses the rotary valve toward the valve seat.

Abstract: A pipe coupling member has a tubular body (20) and a valve unit (22) slidably set in the through-hole of the tubular body. The valve unit has a valve holder (26) and a rotary valve member (30) supported by the valve holder so as to be rotatable about a pivot axis perpendicular to the axis of the through-hole. The valve holder comprises a valve seat portion (26-1) and a valve support portion (26-2) that are separately disposed in series in the axial direction or the direction of the axis of the though hole. The valve support portion rotatably supports the rotary valve member. When the valve holder moves axially in the through-hole, the rotary valve member is rotated by a cam mechanism (32) and displaced between a closed rotational position and an open rotational position while its spherical outer peripheral surface sliding relative to an annular valve seat of the valve seat portion.

Abstract: A subsea stab plate assembly comprises a stab plate which includes apertures each extending in an axial direction through the plate from a front face of the plate to a rear face of the plate. A subsea hydraulic coupler has a body with an internal longitudinal passageway including a valve operable to open the passageway on the mating of the coupler with a complementary coupler. The coupler is shaped for insertion through an aperture in either of two directions, having a circumferential groove and a flange assembly comprising an axially extending hub which fits into the groove and a shoulder for abutment against the front face of the plate. The flange assembly comprises a plurality of separable segments each of which constitutes part of the hub and part of the shoulder. The hub fits between the groove and the inside of the aperture.

Abstract: A valve assembly is provided. The valve assembly comprises a housing having an inlet, a first outlet, and a passageway extending therebetween, the passageway having a first inner diameter at the inlet and a second inner diameter at the first outlet, a first poppet valve disposed in, and adapted to selectively seal, the inlet, a second poppet valve disposed in, and adapted to selectively seal, the first outlet, the second poppet valve coupled to the first poppet valve, and a biasing member coupled to the second poppet valve, the biasing member adapted to exert a force sealing the second poppet valve.

Abstract: A coupler including a nozzle and a socket. The nozzle includes a nozzle body, a movable pin, and a first supporting member. The movable pin is made retractably movable in the axial direction in a nose portion to open and close the channel inside the nozzle. The socket includes a housing, a collar, a ring-like packing, a valve stem, a valve head, and a second supporting member. The valve stem is made retractably movable in the socket in the axial direction to open and close the channel inside the socket. All portions or components which contact liquid fuel in the coupler are formed solely of rubber and/or plastics.

Abstract: A fluid conduit connector apparatus that the approximates pneumatic characteristics of a removed pneumatic system component when a fluid conduit is removed from a pneumatic system. The fluid conduit connector apparatus includes a port portion having a valve disposed therein. The valve closes to provide a reduced fluid orifice when a fluid conduit is removed from the port. The reduced fluid orifice is configured to provide pneumatic characteristics of the device being disconnected to facilitate uninterrupted operation of a timed pressure source having pneumatic sensing capability.

Abstract: The present invention is a fluid conduit coupling assembly for coupling a first fluid conduit to a second fluid conduit. The fluid conduit coupling assembly comprises a first coupler and a second coupler. The first coupler is for connecting to the first fluid conduit and comprises a first housing and a first valve. The first valve comprises a first lever arm. The second coupler is for connecting to the second fluid conduit and comprises a second housing and a second valve. The second valve comprises a second lever arm. When a force is applied to couple together the couplers, at least a portion of said force is communicated to each lever arm, thereby causing each valve to pivot from a closed position to an open position. The first valve and first lever arm are contained within the first housing, and the second valve and second lever arm are contained within the second housing.

Abstract: The present invention relates to a valve having a first assembly cooperating with a second assembly to create a seal, wherein the first assembly opens before the second assembly opens and closes after the second assembly closes. The invention also relates to a valve wherein the pressure required to open the second assembly is greater than the pressure required to open the first assembly.

Abstract: A quick connect fuel hose connector for connecting an LP fuel hose to a threaded inlet fitting on a vehicle or appliance fuel tank comprises an annular body having an inlet for fuel at an inner end and an outlet for fuel at a recessed opening in an outer end. Latch members pivotally mounted in slots on opposite sides of the body engage and latch the connector to the fuel tank inlet fitting when the connector is fitted over the inlet fitting. A lost motion spring seal maintains a tight seal between the connector and the inlet fitting. A replaceable nose seal on an outlet valve in the connector provides an improved sealing connection between the connector outlet valve and the fuel tank inlet valve.

Abstract: A couple 10 includes a valve seal member 71 (36) provided in a flow path between a valve 35 and a coupler main body 31 which can be opened and closed, and a container-inside-outside seal member (73) which is used as both a container seal member (73) for forming a seal between the container main body 31 and a valve holder 38 and a holder seal member (73) for forming a seal between the coupler main body 31 and the valve holder 38. By this arrangement, the number of the seal members can be reduced, processes for assembling can be simplified and the manufacturing cost can be saved. Mounting position of the holder 38 can be controlled by a mounting position control section 74 to enable sealing for maintaining energizing force by energizing means 39 constant and ensuring opening of the coupler as well as for securing the sealed state accurately.

Abstract: A thread to connect coupling comprising a female coupling half and a male coupling half is disclosed and claimed wherein the male coupling half includes a recess in the exterior of the male body which extends circumferentially therearound. The female coupling half includes a valve, a female body, and a female body extension affixed to the female body. The female body further includes a sliding sleeve movable with respect to the valve between a first position abutting and closing the valve and a second position opening the valve. The male body interengages the sliding sleeve and moves therewith during coupling and uncoupling. During uncoupling, the sliding sleeve is reliably positioned sealingly against the valve because the sliding sleeve is interlocked with the male body such that as the male body is withdrawn from the female body the sliding sleeve comes with the male body.

Abstract: A coupling for a compressed gas cylinder (2) includes a separate coupling part (12) that can be screwed to the standardized fitting (3) on the cylinder valve (1). The connection to the coupling means (7) of a pressure reducer (6) or the like is provided by plug-and-socket-type connecting means that can be plugged into each other, interlocked, and closed off by means of locking elements to prevent contamination from outside, the locking element provided on the coupling part at the same time forming a blow-off protection that allows only a limited gas flow when the cylinder valve is opened in uncoupled condition.

Abstract: A quick-coupling valve, particularly for pressurized fluids, of the type which comprises, at a first end, a threaded coupling for reversible fixing to a supply hose and, at the second opposite end, the access to quick-coupling elements for a corresponding tubular male element, the valve having internally a first intake chamber for the pressurized fluid and a contiguous second discharge chamber, the two chambers being separated by reversible flow control elements intended to block the fluid, preventing it from passing through the valve when the male element is not inserted, the valve comprising elements which are intended to prevent the uncoupling of the male element when the valve is open and also comprising venting elements for safe uncoupling of the male element when the valve is closed. The valve comprises elements, associated with the flow control elements, for throttling the flow that passes from the first chamber to the second chamber.

Abstract: Methods and related systems are described for controlling inflow of fluid into a production string. In aspects, the invention provides an inflow control device with a shut-off feature that is operated automatically utilizing swellable materials.

Abstract: A fluid coupling device and coupling system that may start and stop the flow of a fluid is disclosed. In some embodiments, first and second couplings are provided having an actuator coupled with each of the couplings. The couplings and actuators may be detachable to provide quick disconnect features and, in some embodiments, provide unitary actuation for the actuators of the coupling device to facilitate connection in mobile applications. Actuation may occur as the two couplings and actuators are engaged and disengaged and may occur by rotational actuation of the actuators. Rotational actuation can be provided to ensure flow through the coupling device, which in some embodiments may further provide an offset venturi feature. Upon disengagement, a compression element such as a compression spring can be provided to return the actuators to a closed position. Some embodiments further provide a seal external to the actuators and provided at incipient engagement of the couplings.

Abstract: A male coupling member is provided that is selectively couplable to a first female coupling member (for 25 MPa, for example) and a second female coupling member (for 90 MPa), which handle different fluid pressures. When the male coupling member is coupled to the first female coupling member, a second O-ring that is provided for the second female coupling member is prevented from being displaced by the fluid supplied from the first female coupling member.

Abstract: An aseptic coupling device includes a first state in which fluid does not flow through the aseptic coupling device. In addition, the aseptic coupling device includes a second state in which fluid does flow through the aseptic coupling device. The aseptic coupling device can be moved from first, second, and third states to control the flow of fluid through the aseptic coupling device.

Abstract: Valves for connecting fuel supplies to a device are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any device, such as fuel cells or fuel refilling apparatus. The valve includes face seals to minimize the amount of fuel remaining in the valve when the fuel supply is separated from the device. In one embodiment, the valve includes deformable members including sealing surfaces, where the flow paths through the valve are sealed and unsealed by the deformation of the deformable members. In another embodiment, the female valve component includes a shortened body to limit the volume of fuel remaining in the valve. The female valve component also includes a cap with slots formed therein so that residual fuel can drain from the valve component into a fuel reservoir.

Abstract: A removable manifold for a medical/surgical waste collection system. The manifold is dimensioned to be mounted to a receiver integral with the system. The manifold includes a driver for engaging a complementary valve internal to the receiver. The valve regulates flow between the receiver and the down line components of the waste collection system. The valve is normally closed. When the manifold is fitted to the receiver the driver engages the valve so as move the valve to the open position. This allows fluid flow from the manifold and receiver to the downstream components of the system.

Abstract: An in-line filter provided with a substantially elongated filter housing (1; 51) in which filtering material (A) is included, the filter housing being provided on a first end with an inflow opening (2) and, on a second, opposite end with an outflow opening (3), while at the inflow opening (2) and the outflow opening (3) fastening means (4-7) are provided for fastening a supply or discharge tube, respectively (8 or 9, respectively), while the fastening means (4-7) are quick-change couplings (4-7), a respective quick-change coupling (4, 5; 6, 7) having a coupled condition and an uncoupled condition, while in the quick-change coupling (4, 5; 6, 7) a shut-off valve (10) is provided which, in the coupled condition, assumes an open position thus allowing gas to pass and which, in an uncoupled condition, assumes a closed position thus not allowing gas to pass.

Abstract: Two independent poppets/valves that open and close independently as a quick connect coupling is mated and unmated are employed as part of a cooling system for high end data processing systems. More particularly, the present invention comprises a quick connect poppet valve having two internal, independently functioning sealing seats therein disposed within a serially connected flow path to prevent leakage and to minimize the effects of debris.

Abstract: A method of clearing debris from an air valve of an air driven tool including the steps of contacting a portion of a first valve with a portion of a second valve; sealing the first valve to the second valve; and opening the first valve prior to the sealing step.

Abstract: A thread to connect coupling comprising a female coupling half and a male coupling half is disclosed and claimed wherein the male coupling half includes a recess in the exterior of the male body which extends circumferentially therearound. The female coupling half includes a valve, a female body, and a female body extension affixed to the female body. The female body further includes a sliding sleeve movable with respect to the valve between a first position abutting and closing the valve and a second position opening the valve. The male body interengages the sliding sleeve and moves therewith during coupling and uncoupling. During uncoupling, the sliding sleeve is reliably positioned sealingly against the valve because the sliding sleeve is interlocked with the male body such that as the male body is withdrawn from the female body the sliding sleeve comes with the male body.

Abstract: A coupling (110) comprising a pair of female couplers (116) each independently movable within a respective housing bore (114) among an operating position, a release position, and a coupling position. When a female coupler (116) is moved to the coupling position, a stop member (136) moves the plunger of a pressure relief valve (124) to an open position to allow fluid to be released from the female coupler (116) prior to coupling a male coupler thereto. A cam member (126), which is used to move the respective female coupler (116) from the operating position to the release position, can move away from the plunger when the female coupler (116) is in the coupling position as the pressure relief valve (124) is held open by the stop member (136).

Abstract: The invention provides a small, lightweight connector that is appropriate for the handling of fluids, a fluid supply apparatus that makes use thereof, a movable body, a fluid supply system, a connector connection method, and a connector separation method. A supply side connector provided on a fluid supply apparatus, and an inlet side connector, each have an inner cylinder which constitutes a connection part of both supply lines, and an outer cylinder which encloses the inner cylinder and which constitutes a connection part of both vent lines. A second supply valve is provided on the respective supply lines, and carries out switching between restriction and release of the flow of the fluid through the supply line by changing the position in the axial direction of the inner cylinder. A second vent valve is provided on the vent line of the inlet side connector, and carries out switching between restriction and release of the flow of the fluid through the vent line.

Abstract: A female coupling member is provided which includes locking members (32) for securing the female coupling member to a male coupling member (12) inserted into a receiving portion (22) thereof. The receiving portion has an inner surface (35-2) that slidingly engages a forward end outer surface (12-2) of the male member (12) when the male member is inserted into the receiving portion (22) and before it reaches a position where the male and female members are secured to one another by the locking members (32). The receiving portion further has a forward end inner surface (20-1(2)) that slidingly engages an outer surface (12-3) of the male member that is more rearward of the forward end outer surface (12-2) than the engaging portion (12-1) of the male member when the inward inner surface slidingly engages the forward end outer surface (12-2) of the male coupling member.

Abstract: In order to provide a connecting coupling whose structure has increased stability and which is used for transmitting gaseous and/or liquid fluids, especially for filling the petrol tank of vehicles, comprising a sliding sleeve (18) which is used to lock collet chucks (15) above a connecting nipple, a guide sleeve (38) with longitudinal grooves is provided between the sliding sleeve (18) and the collet chucks (15). The collet chucks are guided inside the longitudinal grooves.

Abstract: A fluid conduit connector apparatus that the approximates pneumatic characteristics of a removed pneumatic system component when a fluid conduit is removed from a pneumatic system. The fluid conduit connector apparatus includes a port portion having a valve disposed therein. The valve closes to provide a reduced fluid orifice when a fluid conduit is removed from the port. The reduced fluid orifice is configured to provides pneumatic characteristics of the device being disconnected to facilitate uninterrupted operation of a timed pressure source having pneumatic sensing capability.

Abstract: A joint device has a joint and a connecting device. The joint is mounted with a gas container and has a leakage proof element, a gas-inlet and a threaded stub. The leakage proof element is mounted with the gas-inlet and has a head, an outer annular groove and a connecting portion. The connecting device is covered with the leakage proof element and has a head holder, a connecting tube, two pivotal pins, two buckling elements and two springs. The head holder is mounted with the connecting tube and has two pinholes and through holes formed on the external surface. The buckling elements are connected with the head holder by the pivotal pins and each buckling element has a tab, a connecting arm and a pillar locked with the outer annular groove. The springs are mounted between the connecting tube and the tabs, and respectively contacted to the tabs.

Abstract: A joint for duplex storage type fluid container that can attain secure fitting of a liquid discharge tube and can attain easy, secure connection of a passage for fluid emission disposed in a dispenser to the liquid discharge tube. There is provided a joint for fluid container comprising flexible bag (12) furnished with neck part (11) openable for permitting injection of liquid and comprising outside container (13) formed so as to support the neck part (11) by mouth part (13a) and accommodate the bag (12), which joint is so structured that liquid discharge tube (15) with collar part (15a) can be fitted through plug (14) to the mouth part (13a) of the outside container (13), and further so structured that flow channel (21a) fitted to dispenser (2) can be linked directly to fluid passage (15b) of the liquid discharge tube (15).

Abstract: A thread to connect coupling comprising a female coupling half and a male coupling half is disclosed and claimed wherein the male coupling half includes a recess in the exterior of the male body which extends circumferentially therearound. The female coupling half includes a valve, a female body, and a female body extension affixed to the female body. The female body further includes a sliding sleeve movable with respect to the valve between a first position abutting and closing the valve and a second position opening the valve. The male body interengages the sliding sleeve and moves therewith during coupling and uncoupling. During uncoupling, the sliding sleeve is reliably positioned sealingly against the valve because the sliding sleeve is interlocked with the male body such that as the male body is withdrawn from the female body the sliding sleeve comes with the male body.

Abstract: A connector with a screw valve is described that attaches to the end of the outlet tube, remains closed unless it is completely screwed onto a tire valve and then opens when it is screwed directly onto a valve, such as a tire valve.

Abstract: A refrigerant charging tool. In a described embodiment, a refrigerant charging tool has two separately formed handles pivotably attached to each other. One of the handles has a container piercing member mounted thereon. Interchangeable spacers are configured for attachment to the other handle, so that a selected one of differently shaped containers may be biased against the container piercing member when the handles are pivoted toward each other.