4730-01-213-7977 COUPLING,BOSS Index 4820-01-213-7979 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-213-7978

Federal Supply Class:
4820

National Item Identification Number:
012137978

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:
30 4IN 250PSI CDSN67235795LESLIE CONTROLS, INC.
406-20255378TRAC REGULATOR CO., INC.
436 25T60PSI 250FLG 4IN03847WARREN CONTROLS, INC.
ASTM F 137081346AMERICAN SOCIETY FOR TESTING AND MATERIALS
ASTM F 1370-2MF2B81346AMERICAN SOCIETY FOR TESTING AND MATERIALS
MIL-V-204281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE14.500 INCHES NOMINAL
FILTERNOT INCLUDED
FIRST END BOLT CIRCLE DIAMETER6.562 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY8
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END FLANGE OUTSIDE DIAMETER7.688 INCHES NOMINAL
FIRST END FLANGE THICKNESS1.000 INCHES NOMINAL
FIRST END STYLE DESIGNATORPLAIN
FLOW CONTROL DEVICE MATERIALRUBBER, BUNA-N
FLOW CONTROL DEVICEDISK, FLAT, TOP AND BOTTOM GUIDED
OUTLET PRESSURE RANGE+25.0 TO 60.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
MAXIMUM INLET PRESSURE RATING250.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDWATER, SALT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 250 CLASS
REGULATION TYPEAUTOMATIC SINGLE STAGE
SEAT MATERIALNICKEL COPPER ALLOY, QQ-N-288
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
STEM MATERIALNICKEL COPPER ALLOY, QQ-N-288
VALVE STEM DESIGNSINGLE SEAT
VALVE LOADING METHODSPRING


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