Abstract: Example apparatus for regulator heat transfer are disclosed. An example apparatus includes a housing including an inlet, an outlet, a first valve, and a stem disposed therein. The example apparatus includes a vortex generator disposed in the housing. A fluid is to flow from the inlet through the vortex generator. The example apparatus includes a second valve disposed in the vortex generator. In the example apparatus, the vortex generator is to generate heat prior to the fluid flowing through the second valve to the outlet. The stem is to control the first valve and the second valve to regulate an amount of the heat conveyed to the first valve.

Abstract: An in-line serviceable cutoff valve with excess flow capability includes a valve body and a separable cover. Internal valve components are accessible for service or replacement when the separable cover is removed from the valve body. The internal valve components may optionally be attached to the separable cover so that the separable cover and the internal valve components may be removed as a single assembly.

Abstract: An internal valve including a valve body, a poppet valve coupled to the valve body, a bleed valve, a stem slidably disposed in the valve body and operatively coupled to the bleed valve. The stem is shiftable from a first position wherein the poppet valve and the bleed valve are both closed, to a second position wherein the bleed valve is open, and a third position wherein the bleed valve is closed, the poppet valve is open, and the poppet valve may shift toward the closed position and the bleed valve may open in response to a pressure change. A spring seat is coupled to the stem via a retaining feature such that the spring seat is movably disposed in the valve body, and a spring is operatively coupled to the stem via the spring seat and configured to bias the stem toward the first position.

Abstract: An internal valve includes a valve stem disposed in a valve body, a poppet valve coupled to the stem, and a bleed valve coupled to the stem. The valve stem is shiftable from a first position in which the poppet valve and the bleed valve are closed, to a second position in which the bleed valve is open, and a third position in which the bleed valve is closed and the poppet valve is open, and the poppet may close in response to a pressure change. The internal valve includes a strainer having an extended portion to be positioned in a clearance space between an upper portion of the valve body and an opening of a fluid container. The strainer is arranged for securement to a mounting area of the valve body by at least one fastener.

Abstract: An internal valve includes a valve stem disposed in a valve body, a poppet valve coupled to the stem, and a bleed valve coupled to the stem. The valve stem is shiftable from a first position in which the poppet valve and the bleed valve are closed, to a second position in which the bleed valve is open, and a third position in which the bleed valve is closed and the poppet valve is open, and the poppet may shift closed in response to a pressure change. A valve body of the internal valve includes primary and secondary stem guides supported by respective primary and secondary stem struts connected to an inner side of the valve body. The valve body further includes thickened portions extending inwardly toward an axis of the valve body to which the secondary stem struts connect.

Abstract: An internal valve includes a valve stem disposed in a valve body, a poppet valve coupled to the stem, and a bleed valve coupled to the stem. The valve stem is shiftable from a first position in which the poppet valve and the bleed valve are closed, to a second position in which the bleed valve is open, and a third position in which the bleed valve is closed and the poppet valve is open, and the poppet may shift closed in response to a pressure change. The valve body includes a shoulder that is arranged for sealing engagement with a container flange and is between an inlet and a flange of the valve body and spaced away from the inlet. The shoulder is arranged on the valve body to place the inlet a desired distance away from the inner wall of the fluid container.

Abstract: A self-centering valve adapter connection assembly includes a first equipment flange that is connected to a second equipment flange with an adapter ring. The adapter ring includes a first longitudinal flange with a tapered inner surface and a cylindrical outer surface. The adapter ring aids in centering the first and second equipment flanges while smoothing a fluid flow corridor between the first equipment flange and the second equipment flange.

Abstract: Fluid regulators are disclosed. An example a valve body including an inlet, an outlet, and an aperture disposed between the inlet and the outlet, the outlet includes surface structures to increase a uniformity of a flow pattern of fluid flowing through a cross-section of the outlet.

Abstract: An axial flow regulator includes a lateral access port through a portion of the valve body that provides access to a valve seat assembly and/or other portions of the valve trim without having to remove or uncouple the outlet flange or the inlet flange from the adjacent pipe sections. The lateral access port may extend through an outlet flange portion of the valve body and is configured to allow a valve seat assembly to be laterally inserted into and removed from the outlet flange. A valve seat assembly which may be configured for installation in the axial flow regulator includes a pad holder and a support ring for the pad holder that is separable from the pad holder. The pad holder may have alignment struts projecting radially outwardly from a pad support body. The support ring may include strut receivers that slidably receive the alignment struts of the pad holder.

Abstract: A fluid regulating device includes a valve body, a control element, a control assembly, and a sense tube. The valve body has an inlet, an outlet, a valve port, and a control element adapted to be displaced relative to the valve port to control the flow of a fluid between the inlet and the outlet. The control assembly is operatively coupled to the control element and includes a diaphragm disposed adjacent a diaphragm chamber. The sense tube has a first end, a second end, and a sense hole. The first end is positioned to communicate with the diaphragm chamber, the second end is disposed adjacent the outlet, and the sense hole being formed in the sense tube between the first end and the second end and being oriented along an axis that is angled relative to an axis of the outlet.

Abstract: Methods and apparatus of using customizable templates in process control systems are disclosed. An example method includes initializing a first process control device associated with a first protocol based on a template file and a first parameter definition file. The template file includes global variables and associated values. The first parameter definition file defines a relationship between the global variables and first local variables of at least one of the first process control device or the first protocol. The example method also includes initializing a second process control device associated with a second protocol based on the template file and a second parameter definition file. The second parameter definition file defines a relationship between the global variables and second local variables of at least one of the second process control device or the second protocol. The first protocol is different from the second protocol.

Abstract: A balanced valve trim, a regulator valve with a balanced valve trim, and methods for modifying a regulator valve with a balanced valve trim assembly to accommodate different volume flow rates through the regulator valve are disclosed.

Abstract: A flame cell of a flame arrestor may include a body of a first material having a first end, a second end, and a plurality of channels formed in the body and extending from the first end to the second end of the body. The flame cell may also include an element of a second material coupled to the body, the second material being different from the first material. The element may be configured to draw heat away from fluid flowing through the plurality of channels.

Abstract: Fluid control devices including self-healing materials and related methods are disclosed. An example apparatus includes a valve body, a seat ring; a plug movable relative to the seat ring to control fluid flow through the valve body and a self-healing material on one of the plug or the seat ring. The self-healing material to self-heal without an external stimulus.

Abstract: An emergency shut-off valve includes a valve assembly positioned within a valve body and an actuator assembly operatively coupled to the valve assembly. A poppet is coupled to a shaft having a retaining member positioned within a slot in an arm of the poppet to prevent the poppet from being removed from the shaft. A gland has a first slot, a second slot opposite the first slot, where the first and second slots are configured to receive an end of a torsion spring, and a flange. An O-ring is positioned within a recess in the valve body at the outer surface to engage the flange to provide a seal between the gland and the valve body.

Abstract: Fluid regulator systems having reset apparatus and methods are described herein. A fluid regulator system includes a fluid regulator including a loading chamber and a supply chamber. The supply chamber is in fluid communication with a supply fluid. The system includes a first fluid control device having a loading inlet and a loading outlet. The loading inlet receives a loading fluid from a loading fluid source and the loading outlet is in fluid communication with the loading chamber. The first fluid control device controls fluid flow between the loading fluid source and the loading chamber. A second fluid control device includes a vent inlet and a vent outlet. The vent inlet is in fluid communication with the loading outlet and the loading chamber and the vent outlet is in fluid communication with a vent. The second fluid control device to control fluid flow between the loading chamber and the vent.

Abstract: A radiation detector for a non-dispersive infrared gas analyzer has two detector chambers, which are surrounded by a housing and separated by a separating element permeable to infrared radiation and impermeable to gas and which can be filled with a radiation-absorbing measurement gas. A receiving element, which has a measuring system fastened therein and including a flow- or pressure-sensitive sensor, can be attached to a contact surface on an outer face of the housing. Each detector chamber is pneumatically connected to the measuring system by a channel, which extends in the housing and is open to gas. The housing of the radiation detector is modularly constructed and includes a base element, which encloses the channel, the separating element, and the measuring system fastened in the receiving element, and a first and a second outer element, each of which can be connected to the base element and surrounds a detector chamber.

Abstract: Fluid control apparatus having flow restrictors are described herein. An example actuator includes an actuator housing having an actuator to define a first chamber of the actuator housing and a second chamber of the actuator housing. A loading fluid pathway is formed in the actuator housing to fluidly couple a loading fluid and the first chamber. A restrictor is positioned within the loading fluid pathway to regulate a flow rate of the loading fluid that is to flow from an inlet port of the loading fluid pathway to the first chamber.

Abstract: A radiation detector for a non-dispersive infrared gas analyzer has two detector chambers, which are surrounded by a housing and separated by a separating element permeable to infrared radiation and impermeable to gas and which can be filled with a radiation-absorbing measurement gas. A receiving element, which has a measuring system fastened therein and including a flow- or pressure-sensitive sensor, can be attached to a contact surface on an outer face of the housing. Each detector chamber is pneumatically connected to the measuring system by a channel, which extends in the housing and is open to gas. The housing of the radiation detector is modularly constructed and includes a base element, which encloses the channel, the separating element, and the measuring system fastened in the receiving element, and a first and a second outer element, each of. which can be connected to the, base element and surrounds a detector chamber.

Abstract: A piston device and a pressure regulator including the piston device. The piston device includes a piston body and a baffle plate having a surface provided with openings. The baffle plate is arranged in the piston body and divides the piston body into an upper first area and a lower second area. The piston device beneficially improves the stress balance of the first area and the second area, thereby improving the stability of the overall system.