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1. (WO2018031202) REMOVABLE BALANCED REGULATOR

Pub. No.:    WO/2018/031202    International Application No.:    PCT/US2017/042544
Publication Date: Fri Feb 16 00:59:59 CET 2018 International Filing Date: Wed Jul 19 01:59:59 CEST 2017
IPC: G05D 16/06
G05D 16/10
Applicants: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
Inventors: LIN, Chun
PELFREY, Roy, R.
Title: REMOVABLE BALANCED REGULATOR
Abstract:
A balanced farm tap regulator includes a valve housing having a fluid inlet and a fluid outlet connected by a fluid passageway. A valve seat is disposed in the fluid passageway. A removable balanced plug assembly includes a valve stem having a stem balanced fluid passage, a disk that cooperates with a valve seat to control fluid flow, and a stem guide that is removably attached to the valve housing. The disk includes a disk balanced fluid passage that is fluidly connected with the stem balanced fluid passage. The stem guide is removably attached to the valve housing, the stem guide including an inwardly extending guide flange and an externally extending guide flange. The inwardly extending guide flange cooperates with the valve stem to form a balance chamber, and the stem balanced fluid passage is fluidly connected to the balance chamber and to the disk balanced fluid passage.