Mechanism and Method to Adjust Size of Balanced Valve

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. 1. A regulator valve , comprising:a valve body defining a fluid flow passage having a valve throat disposed between an inlet and an outlet;an actuator operatively coupled to the valve body; anda balanced valve trim comprising:a seat ring coupled to the valve body, the seat ring defining a flow through orifice having a first cross-sectional area; anda flow control member, the flow control member including a sleeve operatively connected to the actuator so as to move a valve disk assembly toward and away from the seat ring so as to control flow of fluid through the fluid flow passage, the sleeve having an interior space disposed between a first end of the sleeve and a second end of the sleeve, the valve disk assembly disposed at the second end of the sleeve, an inner annular shoulder disposed toward the first end of the sleeve and spaced apart from the valve disk assembly to at least partially define the interior space, and a through bore extending through the inner annular shoulder, wherein the valve disk assembly includes a passageway to provide fluid communication between the fluid flow passage and the interior space; anda plunger slidingly disposed within the through bore and fixed relative to the valve body.2. The regulator valve of claim 1 , wherein a second cross-sectional area of the through bore matches with the first cross-sectional area of the flow through orifice of the seat ring.3. The regulator valve of claim 2 , wherein the second cross-sectional area is the same as the first cross-sectional area.4. The regulator valve of claim 1 , wherein the inner annular shoulder defines a first effective pressure area claim 1 , and the valve disk assembly defines a second effective pressure area opposing the first effective pressure ...

Flow path velocity modifier for a control valve

A flow path velocity modifier allows a control member of a control valve to operate very close to a seat ring while reducing or eliminating restricted flow areas, which results in greatly reduced flow velocity fluctuations, which results in smoother flow, between the sealing element and the seat ring. As a result, sealing elements made of relatively soft materials may be used without fear of damage from high flow velocities.

Valve sound reducing trim assembly with pressure relief mechanism

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.

Mechanically retained valve seat

A sealing disk mounting assembly for a regulator includes a mounting member adapted to be operatively attached to a tubular member of a control member assembly of a regulator, a disk holder operatively attached to the mounting member, and an annular sealing disk disposed in an annular channel that is formed between the mounting member and the disk holder. The annular sealing disk is mechanically retained between the mounting member and the disk holder by compressive forces.

Top entry axial flow regulator

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.

Valve Sound Reducing Trim Assembly With Pressure Relief Mechanism

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall. 1. A fluid valve comprising:a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway;a trim assembly disposed within the fluid passageway; anda fluid control member movably disposed within the fluid passageway, the fluid control member cooperating with the trim assembly to control fluid flow through the fluid passageway;wherein the trim assembly includes a cage with a cage wall and a pressure relief mechanism disposed in the cage wall.2. The fluid valve of claim 1 , wherein the cage pressure relief mechanism is a gate.3. The fluid valve of claim 2 , wherein the gate is pivotably attached to the cage wall by a hinge.4. The fluid valve of claim 3 , wherein the hinge has an axis of rotation that is substantially parallel to a longitudinal axis of the cage wall.5. The fluid valve of claim 4 , wherein the gate is disposed in a notch formed in the cage wall.6. The fluid valve of claim 5 , wherein the gate is biased to a closed position by a biasing element.7. The fluid valve of claim 6 , wherein the biasing element is a spring.8. The fluid valve of claim 7 , wherein the spring is attached to a distal end of the gate.9. The fluid valve of claim 8 , wherein the cage wall includes a plurality of posts that separate the notches.10. The fluid valve of claim 9 , wherein the spring is attached to a post.11. The fluid valve of claim 3 , wherein the hinge has an axis of rotation that is substantially perpendicular to a longitudinal axis of the cage body.12. The fluid valve of claim 11 , wherein the gate includes a bracket that is secured to the cage wall and a pivotable flap attached to the bracket.13. The fluid valve of claim 12 , wherein the pivotable flap covers an auxiliary opening formed in the cage wall.14. The ...

Mechanically Retained Valve Seat

A sealing disk mounting assembly for a regulator includes a mounting member adapted to be operatively attached to a tubular member of a control member assembly of a regulator, a disk holder operatively attached to the mounting member, and an annular sealing disk disposed in an annular channel that is formed between the mounting member and the disk holder. The annular sealing disk is mechanically retained between the mounting member and the disk holder by compressive forces. 1. A sealing disk mounting assembly for a regulator , the sealing disk mounting assembly comprising:a mounting member that is adapted to be operatively attached to a tubular member of a control member assembly of a regulator;a disk holder that is operatively attached to the mounting member; andan annular sealing disk disposed in an annular channel that is formed between the mounting member and the disk holder,wherein the annular sealing disk is mechanically retained between the mounting member and the disk holder by compressive forces.2. The sealing disk mounting assembly of claim 1 , wherein the mounting member includes an inner annular flange proximate a first end.3. The sealing disk mounting assembly of claim 2 , wherein the inner annular flange has a thickness that is approximately equal to a thickness of a body portion of the disk holder.4. The sealing disk mounting assembly of claim 3 , wherein the mounting member includes an external annular flange proximate a second end.5. The sealing disk mounting assembly of claim 1 , wherein the annular sealing disk is compressed in a radial direction between the mounting member and the disk holder.6. The sealing disk mounting assembly of claim 1 , wherein the annular sealing disk is compressed in an axial direction between the mounting member and the disk holder.7. The sealing disk mounting assembly of claim 1 , wherein the sealing disk has a first portion having a first thickness and a second portion having a second thickness claim 1 , the first ...

Positioning Device for Pressure Regulator

A control assembly for converting a “fail-close” regulator to a “fail-open” regulator, or vice versa, without having to modify or reconfigure a casing of the regulator includes a control member, a central rod, and a spring disposed between first and second spring seats. A regulator including the control assembly includes a valve body and an actuator casing, the valve body defining a fluid flow-path. The control member is slidably disposed within the actuator casing and adapted for displacement relative to the valve body for controlling the flow of fluid through the flow-path. The spring and spring seats are disposed about the central rod, such that the spring biases the control member into a predetermined position relative to the regulator casing. 1. A control assembly for regulating the flow of a fluid through a fluid flow-path of a regulator , the positioning device assembly comprising:a control member;a central rod adapted to be disposed through a casing of the regulator;a first spring seat defining an opening receiving the central rod, the first spring seat fixed relative to the central rod;a second spring seat defining an opening receiving the central rod, the second spring seat fixed relative to the regulator casing; anda spring disposed between the first and second spring seats, the spring biasing the control member into a predetermined position relative to the regulator casing.2. The control assembly of claim 1 , wherein the first spring seat claim 1 , the second spring seat claim 1 , and the spring are disposed outside of the control member.3. (canceled)4. The control assembly of claim 1 , further comprising a retention plate fixed relative to the control member and the central rod.5. The control assembly of claim 4 , wherein the retention plate is adapted to be disposed in the fluid flow-path of the regulator and defines an aperture in fluid communication with the fluid flow path.6. (canceled)7. (canceled)8. (canceled)9. A regulator claim 4 , comprising:a ...

VALVE SOUND REDUCING TRIM ASSEMBLY WITH PRESSURE RELIEF MECHANISM

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall. 1. A fluid valve comprising:a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway;a trim assembly disposed within the fluid passageway; anda fluid control member movably disposed within the fluid passageway, the fluid control member cooperating with the trim assembly to control fluid flow through the fluid passageway;wherein the trim assembly includes a cage with a cage wall and a pressure relief mechanism disposed in the cage wall.2. The fluid valve of claim 1 , wherein the cage pressure relief mechanism is a gate.3. The fluid valve of claim 2 , wherein the gate is pivotably attached to the cage wall by a hinge.410-. (canceled)11. The fluid valve of claim 3 , wherein the hinge has an axis of rotation that is substantially perpendicular to a longitudinal axis of the cage body.12. The fluid valve of claim 11 , wherein the gate includes a bracket that is secured to the cage wall and a pivotable flap attached to the bracket.13. The fluid valve of claim 12 , wherein the pivotable flap covers an auxiliary opening formed in the cage wall.14. The fluid valve of claim 1 , wherein pressure relief mechanism includes a bracket portion that is attached to the cage wall and an overhang portion attached to the bracket portion claim 1 , the overhang portion being separated radially from an auxiliary opening in the cage wall.15. The fluid valve of claim 14 , further comprising a cover attached to the overhang portion.16. The fluid valve of claim 14 , wherein the cover is attached to the overhang portion with a spring.17. The fluid valve of claim 1 , wherein the pressure relief mechanism comprises a plurality of flexible leaflets.18. A cage for a control valve trim assembly claim 1 , the cage comprising:a cage body ...

FLOW PATH VELOCITY MODIFIER FOR A CONTROL VALVE

A flow path velocity modifier allows a control member of a control valve to operate very close to a seat ring while reducing or eliminating restricted flow areas, which results in greatly reduced flow velocity fluctuations, which results in smoother flow, between the sealing element and the seat ring. As a result, sealing elements made of relatively soft materials may be used without fear of damage from high flow velocities. 1. A retainer for a control member of a control valve , the retainer comprising:a body portion, the body portion having a longitudinal axis, a top surface, and a bottom surface, the bottom surface having a first portion that extends parallel to the longitudinal axis and a second portion that extends away from the first portion, the second portion being angled more than 60 degrees with respect to the longitudinal axis.2. The retainer of claim 1 , wherein the second portion is angled more than 60 degrees and less than 90 degrees with respect to the longitudinal axis.3. The retainer of claim 2 , wherein the second portion is angled more than 70 degrees and less than 80 degrees with respect to the longitudinal axis.4. The retainer of claim 1 , wherein the first portion forms a plug extension that extends longitudinally outward claim 1 , away from the body portion.5. The retainer of claim 4 , wherein the plug extension is cylindrical in shape.6. A control member assembly for a control valve claim 4 , the control member assembly comprising:a control member;a retainer secured to one end of the control member, the retainer having a body portion, the body portion having a longitudinal axis, a top surface, and a bottom surface, the bottom surface having a first portion that extends parallel to the longitudinal axis and a second portion that extends away from the first portion, the second portion being angled more than 60 degrees with respect to the longitudinal axis;a sealing element disposed between the top surface of the retainer and the control member; ...

Valve sound reducing trim assembly with pressure relief mechanism

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.

TOP ENTRY AXIAL FLOW REGULATOR

A valve seat assembly for use in a fluid control valve. The valve seat assembly includes a pad holder and a support ring. The pad holder includes a support body configured to support a seat pad and a plurality of alignment struts projecting radially outwardly from the support body. The support ring extends around the radially outer perimeter of the alignment struts. The pad holder slides into and out of an operative position in the support ring. 1. A valve seat assembly for use in a fluid control valve , comprising:a pad holder, the pad holder including a support body configured to support a seat pad and a plurality of alignment struts projecting radially outwardly from the support body; anda support ring extending around the radially outer perimeter of the alignment struts,wherein the pad holder slides into and out of an operative position in the support ring.2. The valve seat assembly of claim 1 , wherein the support body has an end face configured to support a valve pad and an opposite end claim 1 , the plurality of alignment struts project radially outwardly from the opposite end of the pad support body claim 1 , and distal ends of the respective alignment struts are configured to be slidingly received within and removed from corresponding strut receivers.3. The valve seat assembly of claim 2 , wherein the distal ends of the alignment struts are not interconnected by an integral outer support ring.4. The valve seat assembly of claim 1 , wherein the support ring includes a strut receiver claim 1 , and wherein a distal end of one of the alignment struts is slidably received within the strut receiver in the operative position in the support ring.5. The valve seat assembly of claim 4 , wherein the support ring forms an axially cutaway portion radially opposite the strut receiver claim 4 , and wherein the pad holder slides through the axially cutaway portion into and out of the operative position in the support ring.6. The valve seat assembly of claim 1 , wherein the ...

Intelligent pressure regulator

An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilites. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Diagnostic device and method for pressure regulator

A diagnostic device and method for an intelligent pressure regulator which maintains a fluid in a process at a predetermined pressure. The regulator includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Valve sound reducing trim assembly with pressure relief mechanism

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.

Flow restricted seat ring for pressure regulators

A control device includes a valve body, a seat ring, and an actuator. The valve body defines a flow-path for a fluid. The seat ring is disposed within the flow-path. The actuator is coupled to the valve body and includes a control member. The control member is adapted for displacement relative to the seat ring for regulating a flow of the fluid through the flow-path. The control member includes a sealing disk adapted to sealingly engage the seat ring and close the flow-path. The seat ring includes an orifice disposed within the flow-path such that the seat ring prevents at least a portion of the flow of the fluid from substantially perpendicularly impacting the sealing disk.

Diagnostic device and method for pressure regulator

Intelligent pressure regulator

An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Valve sound reducing trim assembly with pressure relief mechanism

Flow path velocity modifier for a control valve

A flow path velocity modifier allows a control member (124) of a control valve (111) to operate very close to a seat ring (126) while reducing or eliminating restricted flow areas, which results in greatly reduced flow velocity fluctuations, which results in smoother flow, between the sealing element (128) and the seat ring (126). As a result, sealing elements made of relatively soft materials may be used without fear of damage from high flow velocities.

Intelligent pressure regulator

An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Diagnostic device and method for pressure regulator

A diagnostic device and method for an intelligent pressure regulator which maintains a fluid in a process at a predetermined pressure. The regulator includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Intelligent pressure regulator

Self-adjusting pressure regulator, electronic controller for a pressure regulator, and process to compensate for deviation in a pressure regulator

"REGULADOR DE PRESSãO AUTO AJUSTáVEL, CONTROLADOR ELETRôNICO PARA UM REGULADOR DE PRESSãO, E, PROCESSO PARA COMPENSAR O DESVIO EM UM REGULADOR DE PRESSãO" Um regulador de pressão inteligente para manter um fluido em um processo a uma pressão predeterminada inclui um controlador eletrônico que melhora o desempenho do regulador e fornece auto diagnósticos e capacidades de comunicação. O controlador eletrônico inclui um sensor de pressão que fornece um sinal indicando a pressão do fluido sendo controlado, uma pressão de ajuste para ajustar a posição de um elemento de estrangulamento; e um controlador PID que recebe o sinal indicando a pressão do fluido sendo controlado e aplica a pressão de ajuste ao atuador em resposta ao sinal.

Intelligent pressure regulator

An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic controller includes a pressure sensor which provides a signal indicating the pressure of the fluid being controlled, an adjusting pressure for adjusting the position of a throttling element; and a PID controller which receives the signal indicating the pressure of the fluid being controlled and applies the adjusting pressure to the actuator in response to the signal.

Positioning device for pressure regulator

A control assembly for converting a "fail-close" regulator to a "fail-open" regulator, or vice versa, without having to modify or reconfigure a casing of the regulator includes a control member, a central rod (186), and a spring (193) disposed between first (188) and second (192) spring seats. A regulator including the control assembly includes a valve body and an actuator casing, the valve body defining a fluid flow-path. The control member is slidably disposed within the actuator casing and adapted for displacement relative to the valve body for controlling the flow of fluid through the flow-path. The spring (193) and spring seats (188, 192) are disposed about the central rod, such that the spring biases the control member into a predetermined position relative to the regulator casing.

Diagnose-vorrichtung und -methode für druckregler

Top entry axial flow regulator

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.

Top entry axial flow regulator

An axial flow regulator includes vavle body (104) and a lateral access port (102) through a portion of the valve body that provides access to a valve seat assembly (106) and/or other portions of a valve trim without having to remove or uncouple an outlet flange or an inlet flange from adjacent pipe sections. The lateral access port may extend through an outlet flange portion of the valve body and is configured to allow the valve seat assembly to be laterally inserted into and removed from the outlet flange.

Top entry axial flow regulator

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.

Regulador de flujo axial de entrada superior.

Un regulador de flujo axial incluye un puerto de acceso lateral a través de una porción del cuerpo de la válvula que proporciona acceso a un conjunto de asiento de la válvula y/u otras porciones de la guarnición de la válvula sin tener que quitar o desacoplar la brida de salida o la brida de entrada de las secciones de tuberías adyacentes. El puerto de acceso lateral puede extenderse a través de una porción de la brida de salida del cuerpo de la válvula y está configurado para permitir que un conjunto de asiento de la válvula se inserte en la brida de salida lateralmente, y se quite de esta de la misma manera. Un conjunto de asiento de la válvula que puede configurarse para su instalación en el regulador de flujo axial incluye un soporte de la almohadilla y un anillo de soporte para el soporte de la almohadilla que se puede separar del soporte de la almohadilla. El soporte de la almohadilla puede tener puntales de alineación que se proyectan radialmente hacia fuera desde un cuerpo de soporte de la almohadilla. El anillo de soporte puede incluir receptores de puntales que reciben de manera deslizante los puntales de alineación del soporte de la almohadilla.

Intelligenter druckregler

Mechanism and method to adjust size of balanced valve

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.