NSN 4820-00-431-9321

Part Details | FLUID PRESSURE REGULATING VALVE

4820-00-431-9321 A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.

Alternate Parts: W114948, W114948, 4820-00-431-9321, 00-431-9321, 4820004319321, 004319321

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 08, 197400-431-932127565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

Cross Reference | NSN 4820-00-431-9321
Part Number Cage Code Manufacturer
W11494888663DRESSER-RAND COINGERSOLL-RAND OPNS
W1149480AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
Technical Data | NSN 4820-00-431-9321
Characteristic Specifications
BODY MATERIAL BRONZE
MAXIMUM INLET PRESSURE RATING400.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE SETTING150.00 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
FLOW CONTROL DEVICE PISTON, SPRING LOADED
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR3 TO 8-18 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR AND WATER
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING