Abstract: A valve (100) controls a volute connecting opening (240) and a bypass opening (250) of a dual-volute turbine (200). The valve (100) has valve closing body (110), a lever arm (120) and a spindle (130). The valve closing body (110) has a main body (111) and a collar (112). The valve (100) is of a monoblock design with the valve closing body (110), the lever arm (120) and the spindle (130) being made of a single part.

Abstract: Valve seats include a flexible arm portion configured to seal against a portion of a valve body of a valve. A ball valve may include such valve seats. Methods of forming a seal in a ball valve include forcing a first metal valve seat into sealing contact with a first end cap and a ball valve member with a first metal flexible arm member and forcing a second metal valve seat into sealing contact with a second end cap and the ball valve member with a second metal flexible arm member.

Abstract: A bifurcating marine motor fresh water flush assembly comprising a wye having an inlet port and a manifold for distributing flow from the inlet port to each of a plurality of delivery ports. The wye further includes a valve for controlling flow through each delivery port. A supply line is connected to the inlet port. A delivery line connected to each delivery port. Each delivery line is connected to a flush port of a respective marine motor or an engine flusher. Flush water is provided to the inlet port, distributed to each open delivery port and forwarded to a respective marine motor to flush the motor accordingly. An engine flush intake adaptor assembly can be installed in each motor flush inlet connection, wherein a swivel connection of the adapter enables rotation when forming the union.

Abstract: A sealing member of a multi-direction changeover valve for maintaining air-tightness between an orifice formed in a valve body rotatably installed in a valve housing and a port through which fluid flows into or out of the valve housing. The sealing member includes an annular seal part and an annular frame inserted into the seal part to support the seal part such that the seal part is brought into close contact with an inner circumferential surface of the port.

Abstract: A rotary valve comprising a housing with a valve chamber, wherein the valve chamber has at least one inlet and at least one outlet, wherein the inlet and/or the outlet are at least partially closable, as required, by a valve body which is rotatable about an axis and is arranged in the valve chamber, wherein, on that side of the housing facing the valve body, the inlet and/or the outlet is enclosed by a sliding seal, and wherein the sliding seal bears sealingly, under elastic preload, against that surface of the valve body facing the housing.

Abstract: A bearing and seal arrangement for joints in heavy duty vehicles includes two spherical bearing each having an outer ring surrounding an inner member with lubricious liner disposed therebetween. One of the spherical bearings has a seal receiving area having an axially extending width that is greater than that of the other spherical bearing. The spherical bearings are aligned coaxially with one another. One seal receiving areas has a flexible double lipped annular seal and a scraper seal positioned therein. The scraper seal is positioned axially outward from the flexible double lipped annular seal. The other seal receiving area has a boot seal positioned therein.

Abstract: A valve device includes a shaft, a valve body, and a housing including a valve opening. An outwardly facing surface of the valve body is out of contact with the housing and a valve-facing surface is in contact with the housing in a fully closed state in which the valve body closes the valve opening. A valve seal surface includes a first valve seal surface protruding in a valve closing direction and a second valve seal surface recessed in a valve opening direction. A first seal distance in a radial direction from an outer diameter end of the first valve seal surface to a rotation axis is shorter than a second seal distance in the radial direction from an outer diameter end of the second valve seal surface to the rotation axis. The first valve seal surface and the second valve seal surface each have at least a curved surface.

Abstract: A float assembly according to an example of the present disclosure includes a guide extending in a first direction that has a stand-up and a shelf. A cover is oriented in a second direction substantially perpendicular to the first direction and welded to the stand-up at a weld joint. An undersurface of the cover abuts the shelf, and the abutment begins at a first distance in the second direction from the weld joint and ends at a second distance in the second direction from the weld joint.

Abstract: A valve device includes: a valve having a ball surface having a convex spherical shape, and a first opening opened in the ball surface to allow fluid to pass through; and a seat having an annular shape and opposing the ball surface to be in sliding contact, the seat being pressed against the ball surface, the seat having a second opening to communicate with the first opening. The seat has a sealing surface in a sliding contact with the ball surface at a valve closed time when the ball surface and the second opening overlap with each other, and a seat contact surface in a sliding contact with an opening inner wall surface or an opening end surface of the first opening at a valve opened time when the first opening and the second opening overlap with each other.

Abstract: A weld joint includes a first component of a first material and a second component of a ductile second material dissimilar from the first material. A planar face of the first component abuts a planar face of the second component. A “V” shaped weld groove is created in the first component defining a first groove end where a substantially planar groove face of the first component intersects a plane defined by the planar face of the second component below an end face of the second component. A slot is created below the groove end in the planar face of the second component having a closed end facing toward the end face of the second component and extending away from the planar face of the second component at an angle measured with respect to a central longitudinal axis of the slot.

Abstract: A drain valve that includes a body having an upper opening. The drain valve further includes a valve located in the body having a valve opening that is alignable with the upper opening when the valve is in an open state. The valve is configured to release oil that enters the valve through the upper opening when the valve is in an open state. The valve is rotatable about the body in a first rotational direction to move the valve from the open state to a closed state. The valve is rotatable about the body in a second rotational direction opposite from the first rotational direction to move the valve from the closed state to the open state. A method of draining fluid from a system.

Abstract: The disclosed embodiments include systems and methods for energizing a ball valve seat assembly. In particular, the disclosed embodiments are directed toward energizing devices that generate linear or substantially linear energizing forces. In other words, as a seat of the ball valve translates axially with respect to a ball of the ball valve, the resulting energizing force that biases the seat ring back toward the ball is substantially directly proportional to the amount of axial translation. In certain embodiments, the linear energizing device includes an annular cantilevered v-shaped spring having a generally constant cross-sectional profile, including a pair of legs extending from a curved end.

Abstract: A rubber gasket for a fuel cell is interposed between a first member and a second member stacked in the fuel cell. The fuel cell includes: a seat portion arranged on a surface of the first member; and a lip portion that includes a first hill portion projecting from the seat portion toward the second member and having a curved surface with a first curvature radius and a second hill portion projecting from the first hill portion toward the second member and having a curved surface with a second curvature radius smaller than the first curvature radius, and that makes elastic contact with the second member. The seat portion includes a planar inclined surface inclined with respect to the surface direction at a connecting portion leading to a bottom of the first hill portion.

Abstract: An isolating valve includes a body having a canal for the passage of fluid, which is intended to be shut off by upstream and downstream spherical plugs, that can be actuated independently of one another between positions allowing the passage of fluid through the canal and positions of shutting off the canal, and a sealing checker, opening into the canal and between the two spherical plugs. The upstream plug is equipped with an upstream seat of the “simple piston effect” type and has no downstream seat. The downstream plug is equipped with an upstream seat of the “simple piston effect” type and with a downstream seat of the “double piston effect” type.

Abstract: A flow control valve element has a generally spherical ball. An inlet is formed in the ball. An outlet is also formed in the ball, the outlet opposing the inlet. A hollowed-out portion extends between the inlet and the outlet. A pair of opposing flats are formed in the ball, the flats each having a first flat portion formed in an external portion of the ball and an opposing second flat portion formed in the hollowed-out portion of the ball.

Abstract: A ball or half-ball valve with drain-proof mechanism includes a body; inner side of the body being formed as an approximate round chamber and a through hole communicated to the chamber; a top of the body being formed with an upper penetrating hole; a stem passing through the upper penetrating hole; an annular seat received in an annular trench of a wall of the through hole; an outer wall of the annular seat having a trench; a drain-proof ring being an O ring and being received in the trench of the annular seat; a waterproof washer being an annular ring and an axial ring surface of the waterproof washer having a wavelike shape; a valve unit installed to the inner side of the annular seat; the valve unit having an axial hole for receiving the stern; and a cover locked to an outer side of the through hole.

Abstract: A ball valve including upstream and downstream seats and a ball having a flow opening disposed between the upstream and downstream seats. A flow path is defined through the valve only when the ball is disposed in an open position. In one embodiment, when the ball is disposed in a closed position the upstream seat may intermittently disengage from the ball to relieve hydrostatic expansion of a liquid within the ball resulting an increased pressure that is greater than a pressure within a body cavity of the valve outside the ball. In another embodiment, a distance between the upstream and downstream seats is greater than an outer diameter of the ball and the ball engages only one of the upstream and downstream seats when disposed in the closed position and a pressure differential is defined between the upstream and downstream seats. The upstream and downstream seats may each include a partially spherical sealing surface that may have a crenulate configuration.

Abstract: Disclosed is a waste gate assembly for a turbocharger that is provided at a side of a turbine into which an exhaust gas is introduced, and bypasses some of the exhaust gas introduced into the turbine to an outside. The waste gate assembly may include a boss that has a hole for discharging the exhaust gas and is provided at a waste gate main body, a valve that is provided to spherically come in contact with a valve mounting surface of the boss and selectively opens or closes the hole of the boss, and an actuator that is connected to the valve, and provides a rotational force to the valve.

Abstract: A reusable aseptic connector is provided. The connector may be used to provide fluid communication between a bag-in-box (BIB) container and a beverage dispenser. The connector may provide aseptic properties of the connection by insulation of an inner volume of a first part and an inner volume of a second part, with the beverage component kept from contacting any of the part of the connector structure that are exposed to the environment and have a risk of induced contamination. The connector may comprise a resilient membrane and a sliding tube wherein the sliding tube is configured to have a portion move toward and through the resilient membrane to establish fluid communication between the first part and the second part, and for the portion to move away from the resilient membrane to destablish fluid communication between the first part and the second part when desired.

Abstract: A valve body defines a valve stem opening. A valve stem comprises an enlarged portion greater than the valve stem opening to thereby secure the valve stem within the valve body by limiting radially outward movement of the valve stem with respect to the valve body. A rotary member comprise upper and lower bosses. Upper and lower split trunnions, with split components that can be inserted from opposite sides of the valve body, are used to rotationally support the upper and lower bosses to permit rotation of the rotary member while preventing axial movement of the axial flow path of the valve.

Abstract: A valve and valve cartridge assembly can provide an opening and closing operation with a low torque. The valve and valve cartridge assembly can be switched between a first transmission relationship and a second transmission relationship, and the first and second transmission relationships are formed between the top of the valve cartridge and a transmission device. The first transmission relationship is established so that the valve cartridge is driven to rotate axially. The second transmission relationship is established so that the transmission member drives the valve cartridge to carry out a squeeze sealing movement.

Abstract: The disclosed embodiments include ball valves having integrated seats. The integrated seats are included in a ball body assembly of a valve body. The ball body assembly may rotate with respect to the valve body to open or close the valve. The integrated seats may contact walls of a bore to sealingly close the valve.

Abstract: A gas safety valve (1) capable of avoiding unwanted or inadvertent opening and possible closing, with maximum safety and allowing an opening, and possible closing, of these safety valves only through a double intentional and reliable maneuver includes a knob (22) for controlling the shutter (7) of the valve (1), during the opening and closing rotation movement, stop projections (32, 33) of the valve (1) slide on sliding segments (37, 38; 37B, 38B) provided in the knob (22) coplanar or flat-like inclined and associated to relative positioning projections (41, 42), a spring (28) housed in a chamber between a threaded end (19) of a screw (11), and a chamber (23) of the knob (22).

Abstract: A valve and stem sealing assembly capable of preventing leakage under demanding environmental and operating conditions. The valve comprises a body and bonnet secured together to house a flow-element, stem, and stem sealing assembly. The body may contain a body joint encapsulated within its liner. The flow-element is positioned between a first port and second port on the valve. The body and bonnet may be configured to eliminate rotational forces from being translated to the bonnet. The stem sealing assembly comprises a primary seal, primary shaft insert, spacer, and force transmitting member. The stem sealing assembly may also comprise a secondary seal and secondary shaft insert. The stem seal assembly is substantially adjacent to the stem, and configured to fit within an annular space or cavity between the stem and the first body half, second body half, and bonnet. The valve may also include a leak detection port.

Abstract: A valve with a housing (12) in which is formed a chamber (14), an inlet (16) to the chamber, an outlet (18) from the chamber which is at a right angle relative to the inlet, a metallic valve seat (90) at the inlet, a resilient valve seal (100) mounted to the valve seat at the inlet and a spherical valve member (40) inside the chamber.

Abstract: The invention relates to a ball valve (1), particularly for use in motor vehicle refrigerant circuits, having an actuator (2), a shaft (3) including a shaft bearing (5), a ball (4) including a ball passage (16), and a valve housing (13). Said ball valve is characterised in that a fluid shaft seal (8) is arranged in the shaft bearing (5) between an upper shaft seal (6) and a lower shaft seal (7), wherein the fluid shaft seal (8) is formed by a cavity (18) in which a sealing fluid is provided, and that the sealing fluid is in contact with the shaft (3) in a sealing region (19) such that the sealing fluid has a sealing effect in the axial direction, wherein the cavity (18) is at least partially formed by a diaphragm (11) and is limited on the shaft (3) by the shaft seals (6, 7), and that the diaphragm (11) is formed in such a way that pressure can be applied to the side facing away from the sealing fluid.

Abstract: A ball shaft for a coolant valve includes a body extending from a first end to a second end through an intermediate portion defining an axis of rotation, and a ball section formed on the intermediate portion. The ball section includes an outer surface, an inner surface that forms a coolant receptacle, and a slotted opening extending from the outer surface to the inner surface. The slotted opening includes a width of between about 0.0374? (0.696 mm) and about 0.0364? (0.670 mm).

Abstract: Various “no filter, no run” fuel filtration designs are described that include a variable restriction orifice (VRO) designed to vary the amount of fluid, for example fuel, that reaches a fluid outlet. The VRO has a fully open position at which a maximum non-zero fluid flow is permitted, and a fully closed position at which a limited amount of fluid can flow to the outlet. In the case of diesel fuel, the amount of fuel flow permitted at the fully closed position provides lubrication of downstream fuel system components, for example the fuel pump, but is insufficient to permit engine operation.

Abstract: A security valve having a body, a fluid control device, and an internal locking structure. The internal locking structure allows for partial movement of the valve before locking the fluid control device in place. A piping system based on the valve.

Abstract: A rotative member has a first passage and a first surface. A tubular member has a second passage and a concave spherical surface. The second passage is communicable with the first passage according to a rotation angle of the rotative member. The rotative member is rotatable and slidable on the concave spherical surface to form a seal between the rotative member and the tubular member when the concave spherical surface is in pressure contact with the first surface on application of a biasing force. A biasing force application member applies the biasing force to the tubular member. The biasing force application member has a second surface, which is in contact with the tubular member and slidable relative to the tubular member.

Abstract: An integral valve assembly includes a major span of piping having a first end and a second end opposite the first end, a first minor span of piping extending perpendicularly from the major span between the first end and the second end of the major span, and a second minor span of piping extending obliquely from the major span between the first minor span and the second end of the major span, wherein the major span, the first minor span, and the second minor span are together monolithic, wherein the major span, the first minor span, and the second minor span are stainless steel.

Abstract: A valve core assembly and a valve adopting the valve core assembly. The valve core assembly comprises a valve core (4) and a transmission member (7) having a common axis, and a sliding ejector pin (6) arranged along an axis perpendicular to the common axis. The valve core assembly is disposed inside a valve body (1) and is rotatable about the common axis upon engaging with the valve body (1). The valve core (4) has one concave portion, and the transmission member (7) is at least partially placed inside the concave portion.

Abstract: The on-off valve includes a body having a fluid path, a spherical valve body opening and closing the fluid path, a guide member opposing the valve body and having a flange portion radially extending outward, a first seat member slidable along an outer peripheral surface of the guide member and seating the valve body, an O-ring disposed between the first seat member and the guide member, a chamber formed of an inner wall portion of the fluid path, the outer peripheral surface, the flange portion, and the first seat member, and a spring member disposed in the chamber and urging the first seat member toward the valve body. In the on-off valve, a gap portion is formed between the inner wall portion and the first seat member and connects the valve body side of the fluid path to the chamber.

Abstract: A seal arrangement for providing a fluid seal of an annulus between two conforming surfaces such as a stem and a bore. The seal arrangement may include a pair of packing support rings. Preferably, two pairs of the packing support rings are used in order to provide double ended or two sided axial support for the packing. The first and second support rings support a load on the packing during normal or rated temperature use, with preferably an interference fit with the stem to resist extrusion of the packing along the stem. The support rings may be nested together and comprises different materials. For example, one support ring may comprise metal and the other support ring comprise a softer material such as a polymer or elastomer. An example of a packing material is a fire resistant material. The metal support ring may be used to maintain load on the fire resistant packing in the event that the other support ring has been destroyed by fire or other cataclysmic event.

Abstract: Provided are a process and device for reducing radioactive material of an object containing the radioactive material to a safe level in a living environment. Included are a step of performing at least a step of carrying out a heating process on the object, into which radioactive material is absorbed and/or adsorbed from an environment or which absorbs and/or adsorbs radioactive material from an environment, in a state where temperature is less than or equal to the critical temperature of water and pressure is greater than or equal to the saturated vapor pressure of water, or a step of abruptly releasing the pressure; and a step of separating, after the above step, into liquid and solid.

Abstract: A sealing microsawtooth ring joint, made between a toothed seating surface and a full plain seated surface by a microsawtooth ring with its tooth crest on the seating surface being a cutting edge whose corner or whose crest angle is about 90°˜120°, with its tooth height Zt being about 10˜20 times the roughness Ra of the seated surface, and with the ratio of its tooth pitch Xs to its tooth height Zt being 20˜500 to ensure that the tight joint has a microcosmic line contact followed by a surface contact or to ensure that the tight joint has both such a line contact as to be able to provide a necessary seating stress locally and such a surface contact as to be able to protect the line contact from being excessively pressed to get blunt or disappeared, can be used either as a pressure-tight joint or as a self-energizing tight joint of any two surfaces such as flats to flats, cones to cones or spheres, spheres to spheres or cones etc.

Abstract: A ball seat assembly includes a tubular having a bore therethrough; an entry port in fluid communication with the bore; a plurality of exit ports in fluid communication with the entry port; a ball seat disposed in the each of the plurality of exit ports, wherein the ball seat is configured to receive a ball to block fluid flow through the respective exit port; and a diverter configured to block fluid flow through the bore and direct fluid flow from the bore to the entry port.

Abstract: A ball valve comprises a housing, a ball seat arranged in the housing and a ball member mounted within the housing and being rotatable relative to the ball seat between open and closed positions. The ball seat and ball member define respective through bores each having a bore edge, wherein the bore edge of at least one of the valve seat and ball member defines a recessed cutting region for cutting a body extending at least partially through the valve upon closure of the ball member.

Abstract: An apparatus for delivery of fluids to a patient includes an inlet tube and an outlet tube connected to each other at an angular joint. A rotary valve and a piston are fitted to the angular joint forming a chamber. The rotary valve is provided with a priming channel notch and a pumping notch. For priming operation with the fluid delivery apparatus, a user sets the rotary valve to a priming position. During pumping operation, the rotary valve rotates in coordination with the piston to transfer a quantum of fluid from the inlet tube to the outlet tube via the chamber. A second piston is optionally provided on the outlet tube for smoothing out flow rate pulsations.

Abstract: A fluid flow control device includes a valve body, a bonnet, a control assembly, and a seal assembly. The valve body defines an inlet portion, an outlet portion, a bonnet opening, and a fluid flow path extending between the inlet portion and the outlet portion. The bonnet is disposed in the bonnet opening. The control assembly is at least partly supported by the bonnet, and includes a ball element disposed within the valve body and rotatable between an open position and a closed position. The valve body defines an internal recess at a location downstream from the inlet portion and adjacent the bonnet opening. The seal assembly is disposed within the internal recess and includes a movable sleeve seal, a retaining device, and one or more sealing elements for preventing leakage between the sleeve seal and the retaining device and/or the valve body.

Abstract: The disclosed embodiments include ball valves having integrated seats. The integrated seats are included in a ball body assembly of a valve body. The ball body assembly may rotate with respect to the valve body to open or close the valve. The integrated seats may contact walls of a bore to sealingly close the valve.

Abstract: A device for conveying and/or distributing fluids comprises a housing with connection portions, one or more threaded ring nuts which can be screwed to the connection portions for joining them, and a tightening seat formed in the housing. The device further comprises a first adapter with a portion for coupling with the tightening seat, a driving portion for engagement with an engagement portion of the ring nut and a first key seat shaped to receive a portion for coupling a tightening tool.

Abstract: A valve assembly includes a valve body with an inlet, an outlet, and a chamber extending between the inlet and the outlet and an actuation sub-assembly. Positioned in the chamber is a flow restrictor, which is positionable between a valve open position wherein the fluid communication between the inlet and outlet is open and a valve closed position wherein the fluid communication between the inlet and the outlet is closed. A slow-close actuation sub-assembly includes a stem for engaging the flow restrictor, and includes a handle and plurality of annular members disposed around a shaft for resisting rotation of the shaft via the handle.

Abstract: A system and methodology facilitates utilization of a valve of a type which may be used as a subsea test tree. The valve comprises a valve element pivotably mounted in a housing having a passageway therethrough. The valve element may be actuated between an open position and a closed position blocking the passageway. A cutter is disposed along a first surface of the valve element and a seal system is positioned for engagement with a second surface of the valve element to provide separate cutting and sealing surfaces. Actuating the valve element from the open position to the closed position enables cutting of a conveyance, that may be positioned through the passageway, while simultaneously forming a seal along a separate surface to sealingly block the passageway.

Abstract: A ball valve is disclosed having a pipe with two openings. The ball valve selectively permits the passage of liquids or gasses through the two openings. The ball of the ball valve includes a vent hole that communicates with only one of the openings when the ball valve is in the closed position to allow gases or liquids trapped inside the ball to escape the ball rather than expand and damage the ball.

Abstract: A valve assembly for the coolant system of an internal combustion engine including a housing, at least two coaxially disposed rotary valves journaled in such housing, each of such valves having an axially disposed fluid passageway communicable with an inlet port of such housing and at least one passageway communicating with the axially disposed passageway and communicable with an outlet port of the housing upon a particular orientation of such valve, and a drive gear operatively connected to such valves, operative to rotate such valves to different degrees.

Abstract: Embodiments and methods are disclosed herein that relate to a valve assembly. The valve assembly includes a housing having a passage formed therethrough, and a valve ball having a through hole and disposed in the housing, in which the valve ball is rotatable between an open position that has the through hole aligned with the passage and a closed position that has the through hole misaligned with the passage. The valve assembly further includes a first seat having a first sealing surface and disposed in the housing adjacent to the valve ball, and a second seat having a second sealing surface and disposed in the housing adjacent to the first seat such that the first sealing surface of the first seat is disposed adjacent to the second sealing surface of the second seat. At least one of the first sealing surface of the first seat and the second sealing surface of the second seat comprises an arcuate surface.

Abstract: The present invention relates to three-position faucet for water supply systems, formed by a body (1) housing a ball (3) that can rotate in order to establish positions for opening and closing the passage through the faucet, the ball (3) having a side conduit (14) communicating with another perpendicular downward-oriented conduit (15), whereas another conduit (16) or a smaller diameter extends from a perpendicular side area to the conduit (14), such that the conduit (15) is facing as outlet conduit (6), whereas depending on the rotation of the ball (3), the conduit (14), the conduit (16) or the blind portion opposite any of them can be arranged facing an inlet conduit defined by a tubular bushing (5), for establishing different passage positions or for closing the faucet.

Abstract: An electrically insulating valve includes a body housing a valve mechanism. The body has first and second openings in communication with the valve mechanism. The body is adapted to attach to a first pipe so that the first opening is in communication with the first pipe. An electrically insulating insert having a passage there through is connected to the body so that the passage is in communication with the second opening. The electrically insulating insert is also adapted to he attached to a second pipe.

Abstract: A dual-flow valve includes an inner valve body defining a first flow path and an outer valve body circumscribing the inner valve body. The outer valve body and the inner valve body define a second flow path. The dual-flow valve includes a valve element disposed across the first flow path and the second flow path. The valve element has a first passage for selective flow alignment with the first flow path and a second passage for selective flow alignment with the second flow path. A dual flow swivel includes an upper and lower swivel body, with the lower body adapted to rotate relative to the upper body. Two separate flow paths extend through the swivel bodies allowing upwardly and downwardly directed flows through the swivel bodies.