4820-00-171-9818 VALVE,REGULATING,FLUID PRESSURE Index 4820-00-171-9820 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-00-171-9819

Federal Supply Class:
4820

National Item Identification Number:
001719819

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:
0781-360063026VICTOR EQUIPMENT CO
0781-515463026VICTOR EQUIPMENT CO
ESS4-40-54063026VICTOR EQUIPMENT CO
SR450B-54063026VICTOR EQUIPMENT CO
MILR1918081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
45R1TYPED99993DEPARTMENT OF THE NAVY


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
FURNISHED ITEMSCYLINDER GAGE AND DELIVERY GAGE
FILTERINCLUDED
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END SEAT ANGLE IN DEG30.0
FIRST END STYLE DESIGNATORINVERTED FLARE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES NOMINAL
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS2A
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
OUTLET PRESSURE RANGE+0.0 TO 40.0 POUNDS PER SQUARE INCH (PSI)
OUTLET PRESSURE ACCURACY RATING5.000 POUNDS PER SQUARE INCH (PSI)
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM INLET PRESSURE RATING2000.0 POUNDS PER SQUARE INCH (PSI)
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS
NONDEFINITIVE SPEC/STD DATA1 TYPE AND OW1 CLASS
REGULATION TYPEMANUAL SINGLE STAGE
SECOND END CONNECTION TYPETHREADED INTERNAL GAS CYLINDER
SECOND END STYLE DESIGNATORSWIVEL NUT, GAS
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END THREAD PITCH DIAMETERS+0.8616 TO 0.8652 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END SEAT RADIUS0.281 INCHES NOMINAL
VALVE LOADING METHODSPRING
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.908-14 NGO SECOND END
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF FIRST END


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