4820-00-288-6642 VALVE,REGULATING,FLUID PRESSURE Index 4820-00-288-6644 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-00-288-6643

Federal Supply Class:
4820

National Item Identification Number:
002886643

Description:
VALVE,REGULATING,FLUID PRESSURE

Detail:
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.


Manufacturer Information:
22776N35795LESLIE CONTROLS, INC.
MIL-V-1784881349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV1784881349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV17848BCLASS81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MAXIMUM INLET PRESSURE RATING150.0 POUNDS PER SQUARE INCH
FILTERNOT INCLUDED
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
MATERIALSTEEL UNS J03002 BODY
TEMP RATING775.0 DEG FAHRENHEIT MAXIMUM
OUTLET PRESSURE RANGE25.0 TO 130.0 POUNDS PER SQUARE INCH
FURNISHED ITEMSINTERNAL PILOT VALVE
SPECIAL FEATURES4900.0 LB PER HR AT LOWEST REDUCED PRESSURE,AND 3900.0 LB PER HR AT HIGHEST REDUCED PRESSURE,FLOW CAPACITY
NONDEFINITIVE SPEC/STD DATAA CLASS AND
D COMPOSITION AND
150PSI PRESSURE RATING
SEAT MATERIALCOBALT ALLOY
FLOW CONTROL DEVICEDISK, BEVEL SEAT, TOP GUIDED AND
DISK, BEVEL SEAT, BOTTOM GUIDED
FLOW CONTROL DEVICE MATERIALSTEEL, FED STD 66, AISI 420/SAE 51420
FIRST END CONNECTION TYPERAISED FACE FLANGE
FIRST END STYLE DESIGNATORRAISED
FIRST END RAISED FACE HEIGHT0.062 INCHES NOMINAL
FIRST END RAISED FACE DIAMETER3.625 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY4
FIRST END FLANGE OUTSIDE DIAMETER6.000 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.562 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER4.750 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FACE TO FACE DISTANCE10.250 INCHES NOMINAL
MEDIA FOR WHICH DESIGNEDSTEAM
REGULATION TYPEMANUAL SINGLE STAGE
MANUAL CONTROL METHODWHEEL
VALVE STEM DESIGNSINGLE SEAT
VALVE LOADING METHODSPRING
REMOTE ACTUATION METHODPISTON
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-17848


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