4820-01-055-7844 VALVE,CHECK Index 5915-01-055-7846 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-055-7845

Federal Supply Class:
4820

National Item Identification Number:
010557845

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:
5177A-6EB-15091816CIRCOR AEROSPACE, INC.


Techincal Specification:
DISK LOADING METHODSPRING
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARELESS (TUBE) 1ST ENDGASKET SEAL(BOSS) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSEALCOHOL, ETHYL 2ND RESPONSEAMMONIA, GASEOUS 3RD RESPONSEAMMONIA, LIQUID 4TH RESPONSEREFRIGERANT 12 5TH RESPONSE
NOMINAL THREAD SIZE0.562 INCHES 1ST END
NOMINAL THREAD SIZE0.562 INCHES 2ND END
OPENING PRESSURE SETTING150.0 POUNDS PER SQUARE INCH
SEAT ANGLE12.0 DEGREES 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END


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