Emerson Process Management Regulator Technologies, Inc.

James Curtis Bagby

Tung Kim Nguyen

Justin Lane Masias

Douglas James Scheffler

Tony Alan Durant

Samuel Harold Larsen

Anthony Francis Hartman

Control systems include various combinations of pressure regulators, pilots, and pressure stabilizers to provide systems with adjustable deadbands for over pressure protection, adjustable deadbands for under pressure protection, adjustable deadbands for both over pressure and under pressure protection, pressure assisted closure for over pressure protection, pressure assisted closure for under pressure protection, pressure assisted closure for both over pressure and under pressure protection, or spring assisted closure for over pressure and under pressure protection.

Adjustable deadband control system

Example pressure regulators with filter condition detectors are described herein. In one example described here, a regulator includes a body having an inlet and an outlet and a flow control member interposed between the inlet and the outlet to regulate a fluid pressure at the outlet. The example regulator also includes a filter disposed between the inlet and the flow control member and a detector having a first measurement point upstream from the filter and a second measurement point downstream from the filter and upstream from the flow control member.

Pressure regulators with filter condition detectors

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McKinney, TX, United States of America

James Curtis Bagby