4820-00-171-9816 VALVE,REGULATING,FLUID PRESSURE Index 4820-00-171-9818 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-00-171-9817

Federal Supply Class:
4820

National Item Identification Number:
001719817

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:
257AH14011STANDARD WELDERS EQUIPMENT CORPORATION
778241119204ARMY, UNITED STATES DEPARTMENT OF THE
MILR1918081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SVTS252AH14011STANDARD WELDERS EQUIPMENT CORPORATION


Techincal Specification:
MAXIMUM INLET PRESSURE RATING3000.0 POUNDS PER SQUARE INCH
FILTERINCLUDED
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
MATERIALCOPPER ALLOY BODY
OUTLET PRESSURE RANGE0.0 TO 100.0 POUNDS PER SQUARE INCH
FURNISHED ITEMSCYLINDER GAGE AND
DELIVERY GAGE
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
OW2 CLASS
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THE DIAL RANGE
FLOW CONTROL DEVICEDISK, BOTTOM GUIDED
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATORINVERTED FLARE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES NOMINAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF
FIRST END THREAD CLASS2A
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END SEAT ANGLE IN DEG30.0
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END CONNECTION TYPETHREADED INTERNAL GAS CYLINDER
SECOND END STYLE DESIGNATORSWIVEL NUT, GAS
SECOND END THREAD SIZE AND SERIES/TYPE DESIGNATOR0.908-14 NGO
SECOND END THREAD PITCH DIAMETERS0.8616 TO 0.8652 INCHES
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END SEAT RADIUS0.281 INCHES NOMINAL
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS
REGULATION TYPE1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
MANUAL CONTROL METHODTEE HANDLE
VALVE LOADING METHODSPRING
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILR19180


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