Abstract: A connection device for connecting a ventilating line to an intake air flow guide of an internal combustion engine, wherein the connection device has a non-return valve for preventing a flow from the intake air flow guide into the ventilating line. The connection device has at least one hole which is arranged upstream of the non-return valve and connects an interior chamber of the connection device to a surrounding area of the connection device.

Abstract: The device includes a sealing sleeve suitable for being disposed around the facing ends of two tubes and a clamping sleeve inside which the sealing sleeve extends. One of the elements constituted by the sealing sleeve and by the clamping sleeve has at least one retaining member suitable for co-operating in axial retention inside the clamping sleeve with a retaining surface of one of the tubes, which retaining surface is covered by the clamping sleeve.

Abstract: An intravenous (IV) line set includes a tubing defining a fluid lumen, and first and second connectors attached at opposite ends of the tubing. The tubing is adapted to be formed into a shape and retain the formed shape. In an embodiment, the shape is retained via one or more malleable filaments extending along a length of the tubing. In another embodiment, the shape is retained via magnets.

Abstract: A one-way valve (10) comprises: a valve housing (100) having a first end portion, a second end portion, a valve housing channel (110), and a stopper projection (108) provided within the valve housing channel (110); a valve body (200) having a first end portion, a second end portion, and a valve body channel (202) in fluid communication with the valve housing channel (110), the second end portion of the valve body (200) being snap-fit to the first end portion of the valve housing (100); and a sealing plug (300) slidably disposed within the valve body channel (202), wherein an inner diameter of the valve housing channel (110) is greater than an inner diameter of the valve body channel (202) and an outer diameter of the sealing plug (300), and a distance between the stopper projection (108) and the second end portion of the valve body (200) is greater than a longitudinal length of the sealing plug (300).

Abstract: The invention discloses a valve element for an electronic expansion valve, which includes a rotor core and a hollow rotor cylinder sleeved outside the rotor core. Ribs and positioning grooves of a positioning device on the valve element are changed, so that the positioning grooves and an inner wall of a guiding section hole are stepped, an even thickness of the inner wall is maintained, and a working performance of the electronic expansion valve is improved.

Abstract: An air conditioning service system includes an oil receptacle configured to store an oil, a solenoid valve configured to selectively allow the oil to flow from the oil receptacle into an oil injection line, a coupling port in fluid communication with the oil receptacle through the oil injection line when the solenoid valve is in an open condition, and a flow control valve with an inlet and an outlet. The inlet is in fluid communication with the oil receptacle when the solenoid valve is in the open condition, and the outlet in fluid communication with the oil injection line when the solenoid valve is in the open condition. The flow control valve is configured such that, for a given pressure difference between the inlet and the outlet, the oil flows from through the flow control valve at a flow rate that is independent of a viscosity of the oil.

Abstract: A non-pressure valve is provided, and includes a tubular housing having an inlet and an outlet. The tubular housing forms a fluid flow path. The non-pressure valve also includes a sliding sleeve coupled with the outlet, a spring disposed between the sliding sleeve and the tubular housing, and a flow-through mount disposed within the tubular housing adjacent the sliding sleeve. The flow-through mount is coupled with a bulb. The bulb is configured to engage the sliding sleeve and impede the flow of fuel. The non-pressure valve also includes a hose fluidly coupling the non-pressure valve with a remote fuel vent. The flow-through mount may include a plurality of bypass openings positioned in the fluid flow path and configured to divert a portion of the fuel flow through a hose to the remote fuel vent.

Abstract: A discharge valve for a hydraulic pump of a hydraulic unit defines a valve port, and includes a valve body and a receiving element. The valve body is configured to seal off the valve port. The receiving element adjoins the valve port, and defines a cavity configured to receive the valve body. The cavity has a longitudinal axis and an inner wall with a radially outwardly oriented pocket configured to receive the valve body.

Abstract: An adapter housing is described that can be used for high performance liquid chromatography, which can be releasably connected to a socket unit. The adapter housing includes a bore which passes through the adapter housing and a pre-column which can be arranged in the bore to protect the separation column from contaminants and/or to concentrate the fluid to be analyzed. A sealing element seals the adapter housing in relation to the socket unit at the end-face wall of a pilot bore.

Abstract: A linear compressor includes a cylinder that defines a compression space for a refrigerant, a frame that fixes the cylinder to a shell, a piston that axially reciprocates in an interior of the cylinder, a discharge valve that is provided in front of the cylinder to selectively discharge the refrigerator compressed in the compression space for the refrigerant, a discharge cover that is coupled to the frame and has a discharge space for the refrigerant discharged through the discharge valve, a valve spring that provides an axial resilient force to the discharge valve while supporting the discharge valve, and a valve support device that is coupled to the valve spring and supported by the frame to deliver vibration generated by the discharge valve to the frame.

Abstract: The invention to a valve unit (1) for a synthetically commutated fluid working machine (51), comprising a valve body (19,57), a movably arranged valve unit (3) and a separate fluid flow influencing unit (13, 25, 31, 35, 46, 56). The fluid flow influencing unit (13, 25, 31, 35, 46, 56) comprises a fluid flow influencing means part (18) and an attachment means part (28, 34, 38) for mechanical connection with the valve body (19). The attachment means part (28, 34, 38) and the fluid flow influencing unit (18) are connected to each other by a connection means part (27, 30, 33, 40, 47). The circumferential extent of the attachment means part (28, 34, 38) is larger as compared to the circumferential extent of the connection means part (27, 30, 33, 40, 47).

Abstract: An autonomous well valve having a body that constitutes an actuator for opening and closing at least one first valve opening, wherein the body, that in operation is submerged, has an effective density that is equal or greater than the density of a first fluid and less than the density of a second fluid.

Abstract: A suction port and check valve assembly for use with a pump head. The assembly comprises a port body and a check valve. The port body may have an inlet side, an outlet side, and a top, and may comprise a horizontal bore extending from the inlet side to the outlet side and a vertical bore extending from the top to the horizontal bore. The check valve may comprise a valve seat, where the valve seat rests atop the port body with only a gasket therebetween, and a valve body atop the valve seat. The port body may attach to the pump head via alignment spacers, such as springs, minimizing misalignment and resulting leaks.

Abstract: Valve assemblies include a valve body having a fluid passage through the valve body and a valve member disposed in a chamber of the valve body. The valve assembly further includes a first seat and a second seat, where both seats are configured to contact and provide a seal between the valve body and the valve member to at least partially inhibit fluid flow through the fluid passage. Methods of providing a seal in a valve include forcing a primary seat into a seat portion of a valve body to provide a seal between a valve member and the valve body with the primary seat and deflecting at least one arm of a secondary seat to provide another seal between the valve member and the valve body with the secondary seat.

Abstract: A sealable pipe adaptor is mounted directly on a hydrocarbon well head. A central branch is used for a drilling operation. The central branch has a first valve that is normally open and controllable during the drilling operation. The first valve contains a first sensor that is a shut-off sensor that shuts the first valve when a gush of oil or gas flow above a first preset safety threshold is detected. A first side branch has a second valve that is controllable during the drilling operation and during a production mode. The first side branch valve has a second sensor that opens the second valve when detecting a rogue hydrocarbon flow so that the rogue hydrocarbon flow is directed through the first side branch. The first side branch is connected to storage. A second side branch is connected to a production pipe. The first side branch has a third valve controllable from a production collection terminal.

Abstract: A method of assembly is for a string of drilling elements for deepwater drilling. Each drilling element includes an axial through hole, through which drilling mud can flow, and two connection portions for connecting it in series in the string. The method includes assembling a lower portion of the string, assembling a first drilling element with other drilling devices to create a first section of the string. These steps are repeated until the lower portion is proximate the blowout preventer or the bottom. Assembly of second drilling elements begins while executing a drilling cycle for creating at least a second section of the string. The assembly step is repeated until the second section extends equal to a desired drilling depth. After assembling the lower portion and before assembling the first drilling element, a third drilling element is assembled, which includes an obstruction element for preventing backflow in the string.

Abstract: An explosion-proof valve (1), particularly a flap valve (1), for interrupting a flow of fluid (F), particularly in a pipeline, and comprising a valve housing (3) that has a passage opening (4) for the passage of the flow of fluid (F), and a valve seat (5) arranged at the passage opening (4), as well as a closing element (6), particularly a flap plate (6), which comprises a sealing surface (9) and lies with the sealing surface (9) against a valve seat (5) when in a closing position. The closing element (6) is moveably mounted on a bearing (17, 17?) in the valve housing (3). The bearing (17, 17?) of the closing element (6) is designed such that the closing element (6) can be moved, in a closing direction, out of the operating position and into the closing position by rotational and linear movement.

Abstract: A system for enhancing well safety comprises a pipe equipped with a one-way check valve preventing hydrocarbon up flow through the well casing pipe. The one-way check valve opens in response to encountering downward pressure from downward insertion of fluid or objects moving downward towards a well reservoir. The one-way check valve closes in response to encountering upward pressure from fluid from the well reservoir.

Abstract: A fluid check valve for use in an aircraft fluid handling system having a confined surrounding structure where a first distance is defined between a fluid duct and the surrounding structure where the design of the fluid check valve is configured to facilitate removal of a first flange and the flow duct by moving the first flange and flow duct a second distance that is less than the first distance. The check valve is offset into the upstream side of a second flange to provide the reduction in the distance that the first flange has to be displaced to remove the first flange and flow duct from the check valve. A first alternate configuration of the fluid check valve utilizes rotational stops attached to the downstream surface of the flow flaps and in a second alternate embodiment configuration, rotational stops extend upstream from the flow flaps.

Abstract: In one aspect, a pressure regulating valve assembly is provided. The valve assembly includes a housing having a fluid inlet and a fluid outlet, a sleeve positioned within the housing, and a spool at least partially positioned within the sleeve. The spool includes an outer surface having a shoulder, and the spool is configured to translate within the sleeve between a closed position and an open position. The valve assembly further includes a cap coupled to the sleeve and surrounding at least a portion of the spool, and the cap includes an inner surface with a flange extending therefrom. In the closed position the spool shoulder abuts against the cap flange to define a sealed metering edge. In the open position the spool shoulder is spaced from the cap flange to unseal the metering edge and define a metering window to facilitate fluid flow therethrough to the fluid outlet.

Abstract: A non-return valve, in particular for medical purposes, including a first hose connection housing, a second hose connection housing and a membrane disk which is made from flexible material. The membrane disk is arranged between the two hose connection housings and can be raised up from an annular valve seat in communication with an inlet space which is connected to an inlet passage. A medium-permeable formation which faces the membrane disk is arranged on the inlet side into the inlet space, supporting the membrane disk against overextension in the case of high return pressures.

Abstract: Apparatuses manage the flow of fluids, such as, for example, water, through pipes. Specifically, the apparatuses of the present invention creates a backward pressure in fluid traversing a pipe, wherein the backward pressure within the pipe provides compression to the fluid effectively compressing entrapped gas bubbles within the fluid, allowing more accurate water meter measurements. The apparatuses comprise conically tapered openings to more efficiently pass fluids therethrough. Moreover, the apparatuses comprise bleed channels to allow for the flow of fluids during times of low fluid flow.

Abstract: An oil drain structure for an oil mist separator including a drain pipe extending from the oil mist separator into the internal combustion engine, the drain pipe having an oil discharge hole extending through a lower end portion of the drain pipe along an axial direction of the drain pipe, and a check valve including a valve body disposed below the lower end portion of the drain pipe, the valve body acting to open and close the oil discharge hole from a side of a lower surface of the lower end portion of the drain pipe, a valve head portion fitted into the drain pipe with a fine clearance as an orifice and being moveable in the axial direction of the drain pipe, and a stem portion extending through the oil discharge hole to connect the valve body and the valve head portion with each other.

Abstract: Apparatuses manage the flow of fluids, such as, for example, water, through pipes. Specifically, the apparatuses of the present invention create a backward pressure in fluid traversing the pipe, wherein the backward pressure within the pipe provides compression of the fluid effectively compressing entrapped gas bubbles within the fluid, allowing more accurate water meter measurements. The apparatuses comprise spring seats for holding springs therein in alignment, and further comprise conically-tapered apertures for providing improved water flow through the apparatuses. Moreover, the apparatuses of the present invention provide backflow prevention. Systems and methods for managing fluids are further provided.

Abstract: A connector is used to connect a conduit to a threaded orifice of a fluidic component, such as a component of an apparatus for chromatography. The connector includes a flexible fitting, a deformable fitting, and a compression fitting. The flexible fitting fixes the position of the conduit with respect to the threaded orifice. The deformable fitting provides a fluid-tight seal between the fluidic conduit and the threaded orifice. The compression fitting includes an external-thread portion for attachment to the orifice, to urge the flexible fitting toward an outer surface of the fluidic conduit, and to urge the deformable fitting toward both the outer surface and the orifice, a cam portion in mechanical communication with the flexible fitting via a through-hole in the external thread portion, and a graspable portion in rotatable communication with the cam portion.

Abstract: An impeller type water-hammer proof and silent check valve includes a shell, a sealing ring, a cowl, a flow guide body and a spring. Turbulent-flow blades are provided on the outer surface of the flow guide body. Two groups of axial-flow blades are arranged in the flow passage, and the blades are fixed on the streamline outer surface. The valve continuously converts pressure energy and kinetic energy to a torque surrounding an axial direction to the flow guide body during a process of backflow liquid flowing through the turbulent-flow blades. The valve forms a pair of torques counteracting each other as the turbulent-flow directions of the two groups of blades are opposite. The liquid pressure energy and kinetic energy are continuously and gradually converted to the torque to the flow guide body in the turbulent-flow blades, so that an abrupt impact to the valve by the water hammer is eliminated.

Abstract: Inlet control valves for use with fuel delivery systems are described. An example inlet control valve includes a first body portion having a first coupling to define an inlet of the control valve and one of a plurality of fasteners or a plurality of slots opposite the inlet. A second body portion coupled to the first body portion to define a fluid flow passageway, where the second body portion has a second coupling to define an outlet of the control valve and the other one of the plurality of fasteners or the plurality of slots opposite the outlet. The first plurality of slots receives the first plurality of fasteners when the first body portion is coupled to the second body portion. A valve is pivotally coupled relative to the first and second body portions to control fluid flow through the passageway.

Abstract: A manifold for use with an applicator assembly is provided. The manifold includes a base having at least a first proximal extension and a distal extension. The at least first proximal extension includes an outer flange and an inner flange and defines a recess therebetween. The manifold further includes at least a first connection member securely affixed to the first proximal extension. The first connection member includes an annular flange configured to be received within the recess of the at least first proximal extension and the annular flange defines a proximal cavity. The manifold further includes at least a first seal member received within the proximal cavity between the first proximal extension and the first connection member. The seal member is configured to permit flow through the manifold in a first direction and obstruct flow through the manifold in a second direction.

Abstract: A check valve includes a valve body defining an internal chamber and a valve seat disposed within the internal chamber adjacent to one of the first and second ends of the valve body. A poppet is mounted for linear movement along a poppet axis within the internal chamber between the first and second ends of the valve body and has a predetermined cross-sectional shape in a direction transverse to the poppet axis, a peripheral rim defining a movement guiding surface, a frustoconical surface provided in one axial end of the poppet and oriented in a direction toward the one end of the valve body, a sealing bead disposed on the frustoconical surface, and a predetermined plurality of passages formed in a predetermined pattern through at least one of the peripheral rim and the frustoconical surface in open communication with an opposed axial end of the poppet.

Abstract: A float valve with upper and lower valve bodies having axial flow there through and valve member having angular trailing edges at a swept back angle for providing a seating surface and a stem axially extending from the valve member. The stem having multiple supporting surfaces arranged cylindrically and having a biasing member fitted there about. The upper valve body having an internal annular seat for seating with the valve member seating surface and external seals for engaging oilfield tubulars and threaded on one end. The lower valve body having a central internal support member for support of the valve member stem for axial movement and threaded on one end for joining the upper valve body and compressing the biasing member to engage the seating surfaces of the valve member and internal annular seat of the upper valve body for engagement and disengagement in response to fluid flow pressure.

Abstract: A pipe connector is provided with a valve cartridge. The pipe connector can be modified so as to meet requirements for a variety of uses without changing the basic design of the connector body by simply replacing the valve cartridge with another valve cartridge having valve functions meeting a desired use. The pipe connector includes a tubular connector body 10 through which a fluid flows, and a valve cartridge 30 capable of being fitted in the connector body and of controlling the flow of the fluid.

Abstract: A device suitable for retrofitting in laid pipelines is intended to be able to be placed and fixed in place in the pipeline. Transport of the device to the installation location is intended to be performed using as little force as necessary, and the sealing element is intended to be displaced without contact and thus without wear. To this end, the device, in the interior of which a shut-off device (6) is disposed, is designed so that an offset, conically tapering region (10) is adjacent to a front cylindrical region (3) and is bounded by a stop collar (12) on which a connecting contour (7) for a coupling piece of a drive element is connected. A sliding piece (13) made of an expandable material is displaceably disposed in the axial direction on the conically tapering region (10), comprising a circumferential groove in which a spring-loaded clamping ring (15) is supported.

Abstract: An apparatus usable with a well includes a gas lift valve having a check valve arrangement located between an annulus and a passageway of a tubing. The check valve arrangement is adapted to selectively allow fluid flow from the check valve arrangement from an inlet side of the check valve arrangement to an outlet side of the check valve arrangement, and is biased to prevent a leakage flow through the check valve arrangement from the outlet side to the inlet side. The check valve arrangement is defined by a valve element movable into and out of engagement with a valve seat wherein one of the valve element and the valve seat has a first sealing structure engageable with a second sealing structure on the other of the valve element and the valve seat. At least one of the first and second sealing surfaces include at least one pair of sealing members.

Abstract: According to an aspect of the present invention, there is provided a fuel tank check valve including: a main tubular body attached on a fuel filler pipe; a valve element; a first tube that is disposed between the main tubular body and the fuel filler pipe and that has a first locking portion to engage with the fuel filler pipe; an annular seal member; and a second tube that is disposed to sandwich the annular seal member with the first tube and that has a second locking portion to engage with the main tubular body, wherein the fuel filler pipe is disposed on an inner circumferential surface of the first tube, wherein the first locking portion projects in an inside diameter direction, and wherein the first locking portion engages with an engagement hole in the fuel filler pipe from an outside.

Abstract: A fluid connector system features a stopper and an extending section. Installable within an outlet of a fluid container, the stopper defines a passage therethrough. Defining air and fluid conduits, the extending section has a first abutment member threadably connectible thereto and a second abutment member affixed thereto. The extending section is adapted to be extended through the passage of the stopper when assembled thereto. When the first abutment member is tightened about the extending section, the first and second abutment members abut against the exterior and interior sides, respectively, of the stopper. With the stopper installed within the outlet and the extending section and the abutment members therewith assembled to the stopper thereby sealing the passage therein, fluid within the container may be extracted via the fluid conduit as air exterior to the container flows therein via the air conduct to displace the fluid being extracted from the container.

Abstract: A quick connect fluid valve assembly comprises a housing, a flow passage insert, and a movable connector. The flow passage insert is disposed at least partially within the housing and is movable relative to the housing. The flow passage insert forms a flow path from a first end of the flow passage insert to a second end of the flow passage insert. The movable connector is disposed in fluid communication with the flow path of the flow passage insert and the movable connector has at least one orifice. The movable connector is movable between a forward fluid flow position that allows forward fluid flow within the flow path of the flow passage insert and a backward fluid flow position that prevents backward fluid flow within the flow path of the flow passage insert.

Abstract: A rapid-connect gas coupler is shown and described herein. In an embodiment, the rapid-connect gas coupler includes a spring-loaded probe within a probe cavity, which is defined by a housing and one or more latch segment. The probe can engage with a gas connector, which causes the latch segment to engage and couple with the gas connector.

Abstract: A dense phase induction system and method includes an induction valve assembly configured and oriented to establish and maintain efficient transfer and induction of granular material. The induction valve assembly includes arcuate geometry to facilitate the flow of granular material from a granular supply to a dense phase distribution system.

Abstract: A one-way flow valve is provided wherein the one-way flow valve may comprise a first section and a second section of a housing. A valve member may be disposed between the first and second sections of the housing that permit fluid flow through one direction of the one-way flow valve but prevents fluid from flowing in the reverse direction. The opening pressure (i.e., the pressure differential across the valve member) to permit flow through the one-way flow valve may be increased or decreased by inserting (e.g., threadably engaging) the second section of the housing deeper into the first section of the housing or withdrawing (e.g., threadably disengaging) the second section of the housing from the first section of the housing.

Abstract: A check valve includes a tubular valve seat frame, a valve seat that is fixedly secured to the inside of the valve seat frame and has a communication hole through which a working fluid flows, and a valve body that is on the working fluid outflow side of the valve seat for opening and closing the valve seat. The valve seat frame, the valve seat, and the valve body are put into one unit so that the check valve has a simple structure and a good assembly property, and can be manufactured at low cost. The check valve is included, whereby a small, durable, and high-performance pump can be provided.

Abstract: A method of effecting multi-stage supercharging in internal combustion machines comprising a supercharging system, wherein fresh air is first routed through a low-pressure compressor. At least a portion of the compressed air stream is compressed further in a high-pressure compressor, and the rest of the fresh air compressed in the low-pressure compressor is routed around the high-pressure compressor via a compressor bypass. All the fresh air is ultimately delivered to the internal combustion engine. The compressor bypass is opened or closed by a self-actuating valve in dependence on the differential pressure, the compressor bypass opening as soon as the pressure downstream from the high-pressure compressor is lower than the pressure upstream of the high-pressure compressor.

Abstract: A compressor bypass valve for multistage supercharging an internal combustion engine equipped with a supercharging system. The valve includes a displacement body accommodated in a valve housing. The displacement body is divided into a first displacement part and a second displacement part. The first displacement part, facing the upstream side, moves to close or open the bypass in response to a pressure differential.

Abstract: A flow valve having sealing member having a first condition for engaging a housing to prevent back flow and a platform for obstructing a flow passage through the flow valve with the platform supporting the sealing member in an out-of-the-way condition to allow fluid to flow through the flow valve.

Abstract: A check valve includes a valve housing having a first housing portion including an inlet and a second housing portion having an outlet. A poppet valve is received in the housing and includes an outer surface having a diameter greater than the diameters of the inlet and outlet. A valve guide is also received in the valve housing and defines a variable volume pressure cavity and a fluid flow path. The valve guide is adapted to provide the variable volume pressure cavity in communication with the fluid flow path. A resiliently compressible member is adapted to bias the poppet valve toward a closed position against a flow of fluid through the check valve and a low pressure force created in the variable volume pressure cavity by virtue of the fluid flow through the valve guide.

Abstract: An umbrella valve includes an umbrella-valve body having a stem, a flexible umbrella, and a flange. The umbrella and the flange are each attached to, and extend radially outward from, the stem. The flange has at least one fluid passage. The umbrella valve can be placed in a valve housing having a sealing-surface portion. The umbrella, when the umbrella-valve body is placed in the valve housing, is pushed away from the sealing-surface portion under a forward fluid flow and is pushed against the sealing-surface portion under a reverse fluid flow. An umbrella-valve assembly includes the umbrella valve and the valve housing.

Abstract: A safety valve unit permits its user to perform an adjustment of the valve unit in cracking pressure from the outside in an easy and an adequate manner without disassembling any part of the valve unit in a condition in which the valve unit remains inline-connected with a fluid circuit. The safety valve unit is provided with a rotary barrel member (1), in which a cracking-pressure adjusting portion (4, 5, 6, 7 and 8) is incorporated and driven by the barrel member (1) in order to adjust the cracking pressure. The barrel member (1) has its female screw portion (2) threadably engaged with a male screw portion of the cracking-pressure adjusting portion (4) that is a movable spring support (4). When the barrel member (1) is rotated, the spring support (4) is axially and linearly displaced to adjust the cracking pressure of the valve unit.

Abstract: A telescopic snap valve assembly and method of assembling a snap valve with a liquid holding bag in a box fitting. The valve assembly includes a valve member having a lower protruding telescopic end with a raised exterior lower edge. The telescopic end of the valve member is inserted into the center opening of the fitting so that the raised exterior lower edge snaps outward and protrudes from the bottom of the fitting locking the valve member to the fitting. Tight fitting between the telescopic end of the valve and the fitting, with or without a seal member such as O-ring, and the like further seal the valve member to the fitting so that no liquid becomes trapped and/or leaks from the assembly. The assembly can use a ball check valve, and can dispense all types of liquids and fluids such as but not limited to juice with pulp without clogging the valve.

Abstract: A connector housing of a valve-equipped connector is integrally formed from a tube connection section at a first axial side; a pipe insertion section at a second axial side; and a valve housing section between the tube connection section and the pipe insertion section. The valve housing section is formed with an adequately large inner diameter. A main valve body and a compression coil spring for biasing the main valve body to the first axial side so that it abuts the inner surface of the housing are stored in the valve housing section. A cylindrical bushing is fitted to the first axial side of the pipe insertion section of the connector housing, and a valve cap for receiving a second axial end of the compression coil spring is formed integrally at the first axial end of the cylindrical bushing.

Abstract: A two-stage fluid pressure control valve has five components. An inlet socket with separate fluid flow orifices sealably engages an outlet socket which also has separate fluid flow orifices. A pressure check piston having a fluid flow orifice along its longitudinal central axis slidably engages the inlet socket and the outlet socket. A spring located along the central axis of the outlet socket biases the pressure check piston in an open position, allowing fluid to flow through all orifices. Fluid flow through the control valve may impact the pressure check piston to overcome the spring force, moving the pressure check piston to a closed position, whereby fluid flows only through the orifice in the pressure check piston.

Abstract: Hydraulically or pneumatically controlled seat valve (2), in particular a pressure control valve, having a valve seat (10) formed in a base part (4) which cooperates with the sealing surface of a valve body (8) displaceably disposed in a cover part (6), wherein the base part (4) and the cover part (6) are connected to each other, the base part (4) having an at least sectionally circumferential collar (18) which faces radially outwardly for mounting the seat valve (2) to a further component (60), in particular to a housing, using a welded joint.