4820-01-032-5698 VALVE,SAFETY RELIEF Index 4820-01-032-5700 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-032-5699

Federal Supply Class:
4820

National Item Identification Number:
010325699

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:
1143798418876U S ARMY AVIATION AND MISSILE COMMAND
5845163B150RAYTHEON COMPANY
58451649956RAYTHEON COMPANY
D559A-4D-1091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEPLAIN (TUBE) 1ST END
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 5TH RESPONSE
MINIMUM OPERATING TEMP-40.0 FAHRENHEIT
NOMINAL THREAD SIZE0.438 INCHES 1ST END
OPENING PRESSURE SETTING10.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
VALVE DISCHARGE FLOW RATE20.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.250 INCHES


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