4820-00-689-1342 VALVE,BALL Index 4730-00-689-1346 CROSS,TUBE TO BOSS

National Stock Number:
4820-00-689-1345

Federal Supply Class:
4820

National Item Identification Number:
006891345

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
11241713-217773BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND
5159T1-3MP-20091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST ENDTHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST ENDPLAIN,OPTIONAL END(PIPE) 2ND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSEACETYLENE 2ND RESPONSEAMMONIA, GASEOUS 3RD RESPONSEREFRIGERANT 12 4TH RESPONSEHYDROGEN 5TH RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL THREAD SIZE0.375 INCHES 1ST END
NOMINAL THREAD SIZE0.375 INCHES 2ND END
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD QUANTITY PER INCH18 2ND END
VALVE OPERATION METHODAUTOMATIC


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