5365-00-820-7658 RING,EXTERNALLY THREADED Index 8430-00-820-7663 BOOTS,FLYERS'

National Stock Number:
4820-00-820-7659

Federal Supply Class:
4820

National Item Identification Number:
008207659

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:
524A-4D-2091816CIRCOR AEROSPACE, INC.
524D-2091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-100.0 FAHRENHEIT 1ST RESPONSE400.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, CHLORINATED TRANSFORMER 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS 3RD RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD CLASS3A 1ST END
THREAD SERIES DESIGNATORUNJF ALL ENDS
VALVE DISCHARGE FLOW RATE6.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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