4820-01-061-6539, VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-061-6539

Federal Supply Class:
4820

National Item Identification Number:
010616539

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:

40321	55378	TRAC REGULATOR CO., INC.
40321-003	55378	TRAC REGULATOR CO., INC.
40321-003	55878	KRAFT SYSTEMS INC
72296	75545	LAWLER MANUFACTURING COMPANY, INC.
MIL-V-20065A	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

END CONNECTION QUANTITY	2
BODY STYLE	STRAIGHT THRU
FACE TO FACE DISTANCE	9.438 INCHES NOMINAL
FILTER	NOT INCLUDED
FIRST END BOLT CIRCLE DIAMETER	3.500 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER	0.750 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY	4
FIRST END CONNECTION TYPE	RECESSED FLANGE
FIRST END RECESS DEPTH	0.250 INCHES NOMINAL
FIRST END RECESS DIAMETER	2.000 INCHES NOMINAL
FIRST END FLANGE OUTSIDE DIAMETER	4.880 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE	ROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS	0.250 INCHES NOMINAL
FIRST END STYLE DESIGNATOR	RECESSED
FLOW CONTROL DEVICE MATERIAL	NICKEL-COPPER ALLOY, QQ-N-281, CLASS A
FLOW CONTROL DEVICE	DISK
OUTLET PRESSURE SETTING	96.0 POUNDS PER SQUARE INCH
PACKING MATERIAL	RUBBER, BUNA-N
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-15083, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	STEEL UNS J03008 BODY
MAXIMUM INLET PRESSURE RATING	100.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED	WATER
NONDEFINITIVE SPEC/STD DATA	B TYPE AND B CLASS
REGULATION TYPE	AUTOMATIC SINGLE STAGE
REMOTE ACTUATION METHOD	DIAPHRAGM
RENEWABLE SEAT RING TYPE	THREADED
SECOND END BOLT CIRCLE DIAMETER	3.120 INCHES NOMINAL
SECOND END BOLT HOLE DIAMETER	0.620 INCHES NOMINAL
SECOND END BOLT HOLE QUANTITY	4
SECOND END CONNECTION TYPE	RAISED FACE FLANGE
SEAT MATERIAL	NICKEL COPPER ALLOY, QQ-N-288, COMP A
SECOND END FLANGE SHAPE STYLE	ROUND W/ BOLT HOLES
SECOND END FLANGE OUTSIDE DIAMETER	4.250 INCHES NOMINAL
SECOND END FLANGE THICKNESS	0.060 INCHES NOMINAL
SECOND END STYLE DESIGNATOR	RAISED
SECOND END RAISED FACE DIAMETER	2.000 INCHES NOMINAL
SECOND END RAISED FACE HEIGHT	0.060 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END	NOT IDENTICAL
SPECIAL FEATURES	CONTROLS BACK PRESSURE
VALVE LOADING METHOD	SPRING
VALVE STEM DESIGN	SINGLE SEAT
SPECIFICATION/STANDARD DATA	81349-MIL-V-20065A GOVERNMENT SPECIFICATION
STEM MATERIAL	NICKEL-COPPER ALLOY, QQ-N-281, CLASS A

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