4820-01-054-6656 VALVE,CHECK Index 4810-01-054-6658 VALVE,SOLENOID

National Stock Number:
4820-01-054-6657

Federal Supply Class:
4820

National Item Identification Number:
010546657

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:
D524A6D1991816CIRCOR AEROSPACE, INC.
D524A6D19-091816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
CARBON DIOXIDE 2ND RESPONSE
HELIUM 3RD RESPONSE
HYDROGEN 4TH RESPONSE
NITROGEN, GASEOUS 5TH RESPONSE
MAXIMUM OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING19.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES6TH MEDIA OXYGEN,GASEOUS
THE MANUFACTURERS DATA
MANUFACTURERS CODE91816
DESIGN CONTROL REFERENCED524A6D19


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