4810-01-479-8791 VALVE,FLOW CONTROL Index 4820-01-479-8793 VALVE ASSEMBLY

National Stock Number:
4820-01-479-8792

Federal Supply Class:
4820

National Item Identification Number:
014798792

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
1259A4BB1591816CIRCOR AEROSPACE, INC.
1259T1-4BB-1591816CIRCOR AEROSPACE, INC.
GV500ACW126512NORTHROP GRUMMAN SYSTEMS CORPORATION
GV500ACW226512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
DISK LOADING METHODSPRING
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 2024 BODY
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.438 INCHES ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESPRESSURES: PROOF PRESSURE 1-1/2 TIMES OPERATING PRESURE; BURST PRESSURE 2 1/2 TO 4 TIMES OPERATING PRESSURE; TEMP RANGE -320 TO +450 DEG FEH
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS


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