Abstract: A gas inlet valve with incompatible materials isolation is provided. The valve may include a piston that seals against a surface when in a closed position and that permits gas to flow through the valve and out the outlet port when in an open position. A bellows may protect the actuation mechanism of the piston from gas that may be present in the valve when the valve is in the open or closed position, and the piston may include a second seal interface that seals the bellows off from the gas flow area when the valve is in the open or closed position.

Abstract: A faucet-mounted filter system includes a body forming a fluid chamber having a water inlet, a quick connect device positioned adjacent the water inlet for mounting the filter system to a water faucet, a filtered water flow path disposed within the body and in fluid communication with the water inlet, an unfiltered water flow path disposed within the body and in fluid communication with the water inlet, a diverter valve disposed within the fluid chamber and operable to open and close the filtered and unfiltered water flow paths, a seal, an actuator engaging the diverter valve to open and close the filtered and unfiltered water flow paths, a flow meter connected to the body and in fluid communication with the filter flow path, a filter housing connected to the body and having a reservoir, and a filter cartridge disposed within the reservoir.

Abstract: A valve, and tubular cage component for a valve, in which the tubular cage is formed such that at least a ported portion between the ends of the cage includes a tubular outer cage member formed from a metal material, and a tubular inner cage member formed from a wear resistant material. The inner cage member and the outer cage member are concentrically aligned and have a length to span at least the ported portion. Some or all of the flow ports in the ported portion include a port insert which includes a port sleeve formed from a wear resistant material such that the port sleeve extends at least over the metal material of the outer cage member at the flow port.

Abstract: A reusable insulation wrap for insulating and protecting an article, the wrap comprising a multilayer insulation member having a nylon protective layer adapted to be abrasion and moisture resistant to prevent damage to the other layers, a polymerized chloroprene stretchable layer adapted to resist moisture and having first and second edges and sized to closely encircle the article, a closed cell foam insulative layer, a foil reflective layer affixed to the closed cell foam adapted outside thereof, a flame retardant and an ultraviolet protectant in one of the layers and a hook and loop fastener adapted to cooperatively engage and maintain desired position on the article, whereby, the wrap is stretched around the article to fit snugly in place minimizing influence of the outside environment including temperature fluctuations, moisture, and debris on the article.

Abstract: A source well divider for use with a nuclear level gauge on a process vessel 24, permits the insertion of multiple radiation sources 12 in the source well. The divider includes a plurality of lengths of flexible interlocked metallic tubing 18, each length extending into the source well 22 from a nozzle in the vessel 24, forming a plurality of independent sub-wells each permitting the installation of an independently cabled radiation source 12 into the source well.

Abstract: An electromagnetic actuator includes an electromagnet having a coil, which coil surrounds a pole core, and a magnet armature, which can be moved toward the pole core by the electromagnet, wherein the magnet armature has a bearing surface facing the pole core and the pole core has a correspondingly opposite counter surface. The bearing surface and/or the counter bearing surface has a layer that prevents direct contact of the bearing surface with the counter bearing surface and that causes damping of the approaching movement.

Abstract: A starting valve (100) for a fluid operating machine (200) for a vacuum system (1000). The starting valve (100) comprises:—a valve body (10) with an opening (17) to let a gas in; and an actuating piston (13) splined on a stem (16) free to slide in a guide (18A). The actuating piston (13), with a portion of the valve body (10), defines a chamber (30). The actuating piston (13) is subject to the action of a deformable diaphragm (15). A calibrated throttling hole (16B) is provided in series with a through hole (16A) in line with the stem (16) to establish a fluid communication between the chamber (30) and a fluid-dynamic line (500) of the vacuum system (1000). A shutter (20) is furthermore provided also splined on the stem (16). The shutter (20) closes a gas passage opening (10B) as a function of the pressure difference between the chamber (30) and the fluid-dynamic line (500).

Abstract: A butterfly valve for controlling gas flow is disclosed. The butterfly valve may include a valve body, the valve body defining a bore and a shaft configured for rotatable motion with respect to the valve body and including a shoulder. The butterfly valve may further include a disk housed within the bore, operatively coupled with the shaft, and configured to control gas flow through the bore based on a rotational position of the shaft relative to the valve body. The butterfly valve may further include a ball bearing operatively coupled with the shaft and including a ball and a race. The butterfly may further includes a spring configured to provide an axial force on the shaft, the axial force configured to press the shoulder of the shaft against the race of the ball bearing to prevent an outer edge of the disk from contacting an inner wall of the bore.

Abstract: An unload tee has a tee body with a front side and a rear side. The tee body includes an extendable link pivotally connected to the front side of the tee body wherein the extendable link is slidable from a first position wherein the extendable link is shortened to a second position wherein the extendable link is lengthened. An arm is pivotally connected at an opposite end of the extendable link and a door is pivotally connected to an end of the arm unconnected to the shaft. The door is configured to cover an opening of the tee body, wherein an end of the door unconnected to the arm is pivotally connected proximate the rear side of the tee body.

Abstract: A gate valve includes a valve body having a fluid passage for the passage of liquid, sludge and/or fecal matter and a substantially flat slider. The slider is slideable between an opened and a closed position in order to open or block the fluid passage, respectively. The slider includes two opposite straight edges via which the slider is slidably guided in the valve body surrounding it. The slider is substantially made from a plastic material. The slider includes flanges along each of the two opposite straight edges for providing rigidity to the slider.

Abstract: A valve can include a rib for improving flow, which can include improving a flow rating of the valve and improving the structural integrity of the valve. A valve can include a valve body, one or more inlets for allowing flow into the body, one or more outlets for allowing flow out of the body, one or more flow paths, and one or more ribs for routing fluid in a flow path. A valve can include an orifice fluidicly between an inlet and an outlet and one or more ribs disposed upstream and/or downstream of the orifice. A valve can include one or more ribs in an inlet flow path, an outlet flow path or another flow path and a rib can be coupled between two or more portions of a valve.

Abstract: There is provided a shut-off valve including: a valve body part having a valve body surface; a valve seat part provided around an inlet, and having a valve seat surface disposed at a position opposite to the valve body surface; and a moving mechanism that is connected to the valve body part, and moves the valve body part in a direction of an axis to switch to either a shut-off state or a circulation state, wherein the valve seat part has an endless inner peripheral side projection and an endless outer peripheral side projection that project from the valve seat surface toward the valve body surface along the axis, and the valve body part has a diaphragm forming the valve body surface, and an elastic member disposed on a back surface of the diaphragm.

Abstract: A method for manufacturing a main body of a faucet comprises separately molding a base body in which a valve V is installed, a first part in which a hot water passage and connecting portion are formed, a second part in which the cold water inlet and a connecting portion are formed, and a third part in which a water discharge port and connecting portion are formed, the base body and three parts being formed of a composition of ABS resin and glass fibers and combining the base body with the connecting portions of the three parts; integrating the base body and three parts into a main body of a faucet by overlaying the surfaces of the combined main body with ABS resin molten at temperate of 190° C. to 210° C. by injection molding process; and plating nickel-chromium on the exterior of the main body for protection of external molding portion.

Abstract: A valve for injecting fuel, including a valve positioning element, an armature connected to the valve positioning element, a stop that limits a movement of the armature, and a damping element provided between the armature and the stop, the damping element being applied as a damping layer on at least one part of the armature and/or on at least one part of the stop.

Abstract: One or more techniques and/or systems are disclosed for a flow control valve element, which may comprise a generally spherical shape. An inlet and outlet are formed in the element, with a fluid passage disposed between. The respective inlet and outlet are defined by a lip, and at least the outlet has a lip face comprising a width less than that of an adjacent element wall thickness. The element can comprise a pair of opposing flats formed in the wall, where the flats respectively comprise an external flat portion of the element wall and an opposing internal flat portion of the element wall.

Abstract: An extendable rope protecting sheath is an apparatus that extends over an existing climbing rope in order to provide a barrier that protects said climbing rope from fraying and weakening as a result of direct contact with damaging surfaces. The apparatus includes an extendable sheath which folds over the climbing rope and is secured onto itself by an inner fastening strip and an outer fastening strip. The apparatus includes a first breakaway recovery strap which is connected to the extendable sheath and used to attach a breakaway wristband to the extendable sheath. The attachment between the breakaway wristband and the extendable sheath allows the user to adjust the apparatus with minimal interference to the user's range of motion. The apparatus uses a first double-sided fastening strip and a second double-sided fastening strip to secure the apparatus to the climbing rope and link multiple extendable rope protecting sheaths together.

Abstract: A continuous magnetic motion position indicator detects the position of a clapper valve. The clapper valve comprises a valve body and, disposed within the valve body, a clapper and a valve stem. The continuous magnetic motion position indicator comprises: (a) a magnetic joint assembly comprising a first set of magnets disposed inside the valve body and a second set of magnets located outside the valve body that operatively interface with the first set of magnets, and (b) a remote position transmitter and/or a local visual indicator. In operation, the magnetic joint assembly transmits rotary movement of the clapper from the valve stem to the remote position transmitter and/or local visual indicator, without the presence of a dynamic seal interface.

Abstract: A flow control valve includes a resin housing body, a valve member, a retainer plate, a drive unit, and a protective wall. The resin housing body is substantially cylindrical. The valve member axially moves back and forth in the housing body to regulate a flow rate of a liquid. The retainer plate is fastened to the housing body at a position axially outward from the bearing to retain the bearing in the housing body. The drive unit drives the valve stem at a position outward from the bearing to move the valve member back and forth. The protective wall surrounds an outer circumferential surface of the housing body at a position radially outward from a portion of the housing body that receives the bearing to form an air layer portion between the protective wall and the outer circumferential surface of the housing body.

Abstract: A HVAC system includes a housing including at least one wall, an air flow path defined at least partially by the at least one wall, and a door disposed in the air flow path, where the door is configured to i) block a flow of air through the air flow path when the door is in at least one closed position, and ii) allow the flow of air through the air flow path when the door is in a position other than the at least one closed position. A gap is formed between the door and the at least one wall when the door is in the position other than the at least one closed position. The HVAC system further includes a noise-reducing feature defined on at least a portion of the at least one wall. The noise-reducing feature configured to break up, into several smaller structures, an air flow structure formed when air flowing through the gap contacts an end of the door, thereby reducing air vibration in the gap and reducing noise of the HVAC system during operation thereof.

Abstract: The present invention provides a fluid dispensing apparatus and a method of manufacturing a fluid dispensing apparatus.

Abstract: A fluid circuit for use with a fluid processing assembly, the fluid circuit comprising an umbilicus having a first end, a second end, an axis of rotation, and a cross-sectional circumference; a one-piece bearing secured to the umbilicus at a location between the first and second ends, the bearing having an axis of rotation and including an inner lumen which directly engages the umbilicus and includes a plurality of traction features, which bear against the umbilicus to prevent relative rotation of the bearing and the umbilicus; and the plurality of traction features comprising a first traction feature configured to engage the umbilicus at a first length between the first and second ends and a second traction feature configured to engage the umbilicus at a second length between the first and second ends.

Abstract: An apparatus includes a production tool and a pipe connected to the production tool. The pipe includes an inner pipe formed of a metal-free material, an outer pipe encircling the inner pipe, and an inlet connected to a channel between the inner pipe and the outer pipe. The apparatus further includes a chemical supply system connected to the pipe. The chemical supply system is configured to supply a chemical through a channel encircled by the inner pipe to the production tool.

Abstract: A thermal insulation jacket system comprising: a first thermal insulation jacket configured to fit on an object; a microcontroller located in the first thermal insulation jacket; a first temperature measuring means in signal communication with the microcontroller, configured to measure the temperature of the object; a second temperature measuring means in signal communication with the microcontroller, configured to measure the ambient temperature; where the microcontroller is configured to determine the energy savings achieved by the insulative properties of the first thermal insulation jacket.

Abstract: A combination includes a container and a coupling configured to receive the container. The coupling has a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice. The first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side. A first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice.

Abstract: An apparatus is provided for protecting from freezing an above-ground conduit outlet on an exterior wall of a building, the freeze protection apparatus comprising a housing including a top wall, a front wall, and a pair of opposed side walls interconnecting the top wall and the front wall. The housing partially defines an enclosed area having a rear aperture and a bottom aperture. Thermal insulating material lines the interior surface of the walls of the housing. Means are provided for mounting the housing to the exterior wall adjacent the conduit outlet. The inner edges of the side walls and the top wall contact the exterior wall and the bottom edges of the side walls and the front wall contact the ground for enclosing the conduit outlet. Heat is retained within the housing to prevent fluid within the conduit from freezing.

Abstract: A ball valve including a valve body that includes a first body member and a second body member. The valve body defines a valve axis and a fluid flow path. A ball element has a port and a ball stem, and is rotatable about a ball stem axis between an open position providing fluid flow through the fluid flow path and a closed position inhibiting flow through the fluid flow path. A body seal is located between the first body member and the second body member and defines a thickness that decreases as the body seal extends away from the valve axis. A stem seal defines a substantially frusto-conical shape and is arranged in the valve body. The ball stem extends through the stem seal to form a seal between the ball stem and the stem seal and between the stem seal and the valve body.

Abstract: A housing of a pressure-loaded component includes a pressure-loaded channel system which corresponds to the tensile and/or compressive strength properties of the housing material and to the tensile and/or compressive stresses in the housing material during operation of the pressure-loaded component. The housing also includes a channel rounded profile configured to be adapted to include a formed asymmetry. The formed asymmetry is configured to reduce tensile stresses occurring in operation and thus increase the load carrying capacity of the housing as a whole.

Abstract: A component for reducing the likelihood of ice-related blockage in a fuel cell and methods for starting a fuel cell system. In one embodiment, the component is a separate insert configured with a sharp leading edge such that water droplets present in a reactant fluid that pass through an orifice in the component are conveyed away from an unstable formation at the edge to a more stable formation in an adjacent part of the component. In one form, the component is sized to fit within a valve inlet that in turn is placed in a humid reactant flowpath. In this way, when the fuel cell is operated in cold conditions—such as those associated with temperatures at or below the freezing point of water—the water droplets do not freeze in the area around the orifice such that ice-related blockage of the flowpath does not occur.

Abstract: A valve assembly is provided and includes a pitot tube having an angled tip to extract from a duct formed by a housing a sample of a fluid to be communicated to an actuator configured to operate the duct, the pitot tube being disposed within the housing whereby the pitot tube is fixed longitudinally between the actuator and the housing and laterally within the housing and an anti-rotation mechanism coupled with the pitot tube to rotationally secure the pitot tube such that the angled tip is fixed to face rearwardly.

Abstract: A corrosion management system is designed to deliver corrosion protection and/or the management of corrosion to a connector, a connection, a welded joint, or some other type of interface (e.g., a valve joint used to join to portions of piping). In another embodiment, the system is designed to deliver at least one form of corrosion, UV, salt spray, and/or fire damage protection, mitigation and/or the management to a connector, a connection, a welded joint, or some other type of interface (e.g., a flange used to join to portions of piping).

Abstract: To provide a flow channel opening/closing apparatus that can keep the instantaneous flow rate of supply water, quickly open and close a main valve for starting and stopping water supply and be downsized. A flush valve CV, which is such a flow channel opening/closing apparatus, incorporates constant flow rate keeping part that operates to keep constant the main flow rate of water flowing from a primary-side internal flow channel 20 to a secondary-side internal flow channel 30, and the constant flow rate keeping part has a constant flow rate valve body 44 and a constant flow rate valve seat, operates to adjust the distance between the constant flow rate valve body 44 and the constant flow rate valve seat, and is configured as an integral valve member including a main valve body 42 and the constant flow rate valve body 44.

Abstract: The present invention discloses a novel double-handle faucet comprising two valve seats, two spools, two inlet pins, two handles, an outlet pipe, a connecting tube, an upper panel, a lower panel, a cladding member, and two caps, the two valve seats, the connecting tube, the cladding member, and two caps are all made of a plastic material, each of the valve seats is provided with an upper annular flange and a lower annular flange, each of the inlet pins is further provided with a connecting ring, the cladding member comprises two first enveloping parts and a second enveloping part, the two first enveloping parts are located at both sides and are both provided with a chamber for accommodating the valve seats at respective side, the chamber is provided with a positioning step at the bottom, the connecting ring is abutted against the positioning step, the second enveloping part covers the outer side of the connecting tube, each of the caps is provided with a cover body and a circular engaging edge which is formed

Abstract: A fuel injector (10) has an inlet (12), an outlet (14), and a passageway (16) providing a fuel flow conduit from the inlet to the outlet. A valve structure (22, 24) is movable in the passageway between first and second positions. A seat (26) is provided at the outlet and has at least one seat passage (28) in communication with the passageway. Movement of the valve structure between the first and second positions controls the flow of fuel through the seat passages. The seat includes an outer tip surface (30) through which the least one seat passage extends. A catalytic coating (32) is provided on at least a portion of the outer tip surface. The coating causes oxidation of fuel on the coating to occur at a temperature lower than if the coating was not provided.

Abstract: A control valve for installation on an internal combustion engine includes a housing comprising an inlet and an outlet. A passage is arranged between the inlet and the outlet and is configured to connect the inlet with the outlet. A control body is configured to control the passage. The control body is fixed to an actuating element. An actuator is configured to move the actuating element. The actuator is fixed to the housing. A heat shield is arranged between the actuator and the internal combustion engine. The heat shield is integrally formed with the housing of the control valve.

Abstract: The invention provides a gate valve (1) for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a top layer coating of diamond like carbon (DLC). The DLC contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. It is further directed to a method of commissioning or operating a gate valve according to the invention, and use of a diamond like carbon (DLC) top layer coating on at least one surface subject to sliding in operation of the gate valve. Valve parts have a tendency of sticking, adhering or cold welding together, which result in high friction. The aim of the invention is to reduce or eliminate friction problems occurring with time or operation cycles, when using a full scale gate valve.

Abstract: A valve includes a rotor and a stator. The rotor and the stator each have seal surfaces for contacting and sliding against one another during operation of the valve. Either or both of the rotor and the stator have a seal-surface coating formed by depositing an at least partially amorphous interlayer on a substrate and depositing a surface layer, including diamond-like carbon, on the interlayer. The surface layer requires no mechanical polishing.

Abstract: The invention relates to a tank for storing a liquid active ingredient for operating an aggregate of a motor vehicle, particularly a unit for post treatment of exhaust gases of the motor vehicle, comprising a container and at least one functional element (11, 18) extending into the container, wherein the functional element is provided with at least one agent (25, 26) for abrasion protection.

Abstract: A pump is disclosed, comprising: a pump block defining a cylinder in which a piston is mounted for reciprocation and positive displacement of fluids from an intake port of the pump block to a discharge port of the pump block; an intake valve located in the intake port of the pump block and a discharge valve located in the discharge port of the pump block; the intake valve having a valve plug that has a closed position in which the valve plug is seated on a valve seat in the intake port; a wear sleeve lining at least a portion of the intake port upstream of the valve seat; a pressure sensor upstream of the intake valve for detecting a pressure condition indicative of failure of the intake valve to provide a seal when the intake valve is in the closed position; and a controller responsive to the pressure sensor to send a signal to stop operation of the pump upon detection of the pressure condition.

Abstract: An article having good wear resistance includes a first component including a boride coating and a second component including a cobalt-chromium-molybdenum coating that is in sliding contact with the boride coating of the first component.

Abstract: A pressurized gas containing system has a cowling and mounting ring which supports a valve and regulator on a cylinder containing gas under pressure.

Abstract: An improved venturi-style eductor apparatus for dispensing chemicals into a motive fluid stream where an eductor body FIG. 3 is manufactured by molding a chemically inert polymer material FIG. 2 around and inside a metallic insert FIG. 1. Opposing ends of the metallic insert may be threaded, flanged, or machined for push-in connection to facilitate mating with a motive fluid source and a dispensing device. By manufacturing an eductor assembly using a single-piece metal insert over-molded with an inert polymer provides improved chemical resistance for aggressive applications and allows improvements in venturi geometry not achievable using traditional machined components. This apparatus reduces manufacturing cost over current state-of-the-art eductor assemblies by using a single molding step to create flow-path geometry in the eductor body while retaining mechanical strength with the metallic insert FIG. 1.

Abstract: A valve for an anti-lock brake system, wherein the anti-lock brake system is configured for controlling flow of a fluid, includes a housing defining a cavity therein and having a longitudinal axis, a valve seat disposed within the cavity so as to define a first passage for the fluid, and an armature disposed within the cavity so as to at least partially define a second passage for the fluid. The armature is translatable with respect to the valve seat along the longitudinal axis and matable with the valve seat to seal off fluid communication between the first passage and the second passage. The armature defines a surface that is substantially resistant to corrosion from the fluid, and the surface is substantially free from a coating including zinc.

Abstract: A tubular fluid flow device of varying outside dimensions adapted for use in a high pressure, rapidly cycling temperature environment, an isolation ball valve, a ball valve isolation method and a catalyst transfer method. The flow device 10 can have a tubular member 12 having at least one locus 14, 16 of non-uniform outside dimension and an axial flow passage 20 with a uniform inside diameter between opposite end connection elements. A thermal sleeve liner 22 can be disposed about the axial flow passage in a bore 24 formed in the tubular member, wherein the sleeve comprises an outer surface having a thermal barrier coating 26. A pressure-relief passage 28 is provided in fluid communication between the axial flow passage and an interface between an exterior surface of the thermal sleeve liner and an inner surface of the bore.

Abstract: A fitment for providing leak protection at a frost-free hydrant has a protective sheath having a bore of a first diameter. An escutcheon plate is formed at an outer end of the sheath to define an aperture for receiving a frost-free hydrant into the sheath. The sheath is made longer than any of a range of frost-free hydrants to be received therein and has an end cap sealingly connected to an inner end of the sheath. The end cap has a reducing section and an end section having a bore of a second diameter smaller than the first diameter, and dimensioned to receive a link pipe in a sealing connection, the link pipe being of a length to bridge the distance between an inner end of the hydrant and building water supply equipment. In use, the hydrant with link pipe attached is inserted into the protective sheath and the combination of the hydrant and sheath is fully into the wall through a hole in the wall.

Abstract: The present invention is designed to prevent damage to lined ponds during removal and placement of a suction/discharge hose. The fluid transfer protection sleeve is a conduit with a liquid port on one end and a hose port on the opposing end. The fluid transfer protection sleeve is comprised of an angled section, a vented body, and a solid walled section that are connected to create an interior channel from the hose port to the liquid port. The liquid port is located on the angled section. Upon insertion of the hose into hose port, the liquid is drawn in (or out) through the liquid port and vents, thus drawing (or discharging) water away from the bottom of the pond. Furthermore, the interior channel prevents the hose from coming into contact with liner and thus preventing damage.

Abstract: The present subject matter provides a drain line adapter. The drain line adapter includes at least two conduits. The two conduits can be oriented or positioned relative to one another in order to facilitate drainage of the drain line adapter. The two conduits can also be oriented or positioned relative to one another in order to hinder clogging of the drain line assembly.

Abstract: In a case structure for a fluid pressure device, a filter that constitutes part of a fluid pressure unit is equipped with a first body, a case unit connected to a lower portion of the first body, and a filter unit accommodated in the interior of the case unit. The case unit is made up from an outer case, which is formed as a bottomed cylinder from a light-permeable transparent material, and an inner case inserted into the interior of the outer case. Additionally, by insertion of the case unit into an installation hole that opens on a lower portion of the first body and rotating the case unit, projections and retaining walls provided on an outer circumferential surface of the case unit engage with support members provided in the installation hole, thus placing the case unit in a connected state.

Abstract: A reservoir accessory assembly comprises a flooring structure being configured to support a fluid processing accessory for the reservoir. The flooring structure comprises a cutout being configured to enable entrance of plumbing from the reservoir for connection to the fluid processing accessory. Side panels are joined to the flooring structure. The side panels comprise screened vents. A back panel is joined to the flooring structure. The back panel comprises a ventilation portion being configured to enable airflow with the vents. A front door is pivotally joined to one side panel to enable access to the fluid processing accessory. A top is configured to cover an interior formed by the flooring structure, the side panels, the back panel and the front door in which the fluid processing accessory is enclosed and accessible via the front door.

Abstract: A gas recovery component heating apparatus and method of use. The apparatus includes an insulating shell and at least one heating element positioned along the interior of the insulating shell. The apparatus further includes one or more apertures configured to allow a portion of the gas recovery component to pass through said aperture when the apparatus is secured about the gas recovery component. The apparatus also includes a mechanism for securing the apparatus about the gas recovery component.

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.