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Back pressure control regulator with in-line overpressure relief

A technology of back pressure regulator and pressure regulator, which is applied in the direction of control/regulation system, fluid pressure control, inlet pressure control, etc. It can solve the problems of pressure release valve wear and increase fluid leakage, etc., to reduce quantity and reduce wear Effect

Inactive Publication Date: 2017-03-08
TESCOM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the pressure relief valve in this case wears out prematurely, resulting in additional costs
Additionally, downstream pressure relief valves include many additional leak paths, which increase the potential for fluid leakage

Method used

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  • Back pressure control regulator with in-line overpressure relief

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Embodiment Construction

[0023] Turning now to FIG. 1 , one embodiment of a backpressure regulator 10 with in-line pressure relief is illustrated. Back pressure regulator 10 may be operatively connected to a fluid flow path in the system to control back pressure within the system. In some cases, the fluid flow path may include an optional downstream pressure relief valve (not shown in the figures). The back pressure regulator 10 comprises a first pressure regulator 100 and a second pressure regulator 200 connected in parallel to each other via a common regulator housing 12 . In the embodiment illustrated in FIGS. 1-4 , the first pressure regulator 100 is located on the opposite side of the housing 12 from the second pressure regulator.

[0024] Typically, the first pressure regulator 100 regulates the fluid pressure within the system to be between a desired minimum back pressure and a desired maximum back pressure. When the fluid pressure in the system exceeds the desired maximum back pressure of th...

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Abstract

A back pressure regulator with in-line over pressure relief includes a first pressure regulator and a second pressure regulator arranged fluidly in parallel, which are connected by a common regulator housing.

Description

technical field [0001] The present disclosure relates generally to back pressure control regulators, and more particularly, to back pressure control regulators with in-line overpressure relief. Background technique [0002] Process control systems often employ pressure regulators (eg, back pressure regulators) to control or maintain the pressure of process fluids to protect high pressure sensitive instruments or other control equipment. Fluid regulators, such as, for example, back pressure regulators typically include a fluid valve assembly having a pressure sensor, such as a piston, for sensing the pressure of pressurized fluid at an inlet of the regulator. When the pressure of the pressurized fluid at the inlet exceeds a reference pressure or setpoint pressure (e.g., provided by a fluid regulator), the pressure sensor causes the flow control member of the fluid valve to open to allow flow through the regulator body between the inlet and outlet. fluid flow. [0003] Back ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/04F16K17/02
CPCF16K17/02F16K17/048G05D16/10G05D16/0404G05D16/024
Inventor G·C·缪尔
Owner TESCOM CORP