NSN 4820-01-428-4450

Part Details | FLUID PRESSURE REGULATING VALVE

4820-01-428-4450 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: 223 1.25IPS, SERIES 223 1.25, 4820-01-428-4450, 01-428-4450, 4820014284450, 014284450

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 27, 199601-428-445027565 ( VALVE, REGULATING, FLUID PRESSURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

Cross Reference | NSN 4820-01-428-4450
Part Number Cage Code Manufacturer
223 1.25IPS79227WATTS REGULATOR CO
SERIES 223 1.2579227WATTS REGULATOR CO
Technical Data | NSN 4820-01-428-4450
Characteristic Specifications
BODY MATERIAL COPPER ALLOY
TEMP RATING160.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING300.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE+25.0 TO +75.0 POUNDS PER SQUARE INCH
FILTER NOT INCLUDED
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
FLOW CONTROL DEVICE DISK
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR1-1 TO 4-11-1 TO 2 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE STRAIGHT THRU
MEDIA FOR WHICH DESIGNED WATER
REGULATION TYPE AUTOMATIC SINGLE STAGE
MANUAL CONTROL METHOD SCREW
VALVE LOADING METHOD SPRING
REMOTE ACTUATION METHOD DIAPHRAGM