1290-01-521-0017 KEYBOARD,DATA ENTRY Index 4820-01-521-0019 SEAT,VALVE

National Stock Number:
4820-01-521-0018

Federal Supply Class:
4820

National Item Identification Number:
015210018

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:
40754-455378TRAC REGULATOR CO., INC.
40754-4 ASSY 40754-40155378TRAC REGULATOR CO., INC.
40754-40155378TRAC REGULATOR CO., INC.
F-1370-9281346AMERICAN 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
END CONNECTION SPEC/STD53711-803-1385946
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE9.500 INCHES NOMINAL
FILTERNOT INCLUDED
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES
FIRST END STYLE DESIGNATORSOCKET
FLOW CONTROL DEVICE MATERIALRUBBER, BUNA-N
FLOW CONTROL DEVICEDISK
OUTLET PRESSURE RANGE+5.0 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
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE REDUCING VALVE
REGULATION TYPEAUTOMATIC SINGLE STAGE
RENEWABLE SEAT RING TYPERETAINING RING
SEAT MATERIALNICKEL COPPER ALLOY
SPECIAL FEATURESMANUFACTURER IDENTIFIES THIS VALVE AS 1/2" STYLE H SEA WATER PRESSURE REDUCING VALVE PER MIL-V-2042 TYPE II 250 LB. END CONNECTIONS ARE UNION END/TAILPIECES WITH 1 GROOVE. DRAWING NOTE 7: O-RINGS AND RETAINING RINGS PROVIDED ONLY WHEN SPECIFIED ON ORDER.
VALVE LOADING METHODSPRING
VALVE SIZE0.500 INCHES
VALVE STEM DESIGNSINGLE SEAT
STEM MATERIALNICKEL COPPER ALLOY


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