BACK PRESSURE REGULATOR WITH FLOATING SEAL SUPPORT

A sealing apparatus for a back pressure regulator includes: a body defining a process surface, and including: at least one process void communicating with the process surface; a recess disposed in the process surface; a floating support hub disposed in the recess, carrying an O-ring; a vent void com...

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Bibliographic Details
Main Authors ROBERTS KEITH ALAN, TANG TONY BOYD, JENNINGS JEFFREY DEAN
Format Patent
LanguageEnglish
Published 24.07.2014
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
CONTROLLING
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A sealing apparatus for a back pressure regulator includes: a body defining a process surface, and including: at least one process void communicating with the process surface; a recess disposed in the process surface; a floating support hub disposed in the recess, carrying an O-ring; a vent void communicating with the recess; an inlet port disposed in fluid communication with the at least one process void and adapted to be coupled in fluid communication with a fluid at a process pressure; and an outlet port disposed in fluid communication with the vent void; and a diaphragm having opposed reference and process sides, the diaphragm disposed against the body such that the process side is substantially coplanar with the process surface.
Bibliography:Application Number: US201214128224