4820-01-200-7054 VALVE,CHECK Index 4820-01-200-7056 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-200-7055

Federal Supply Class:
4820

National Item Identification Number:
012007055

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:
D559T-2M-10.591816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE13.9 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE13.9 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE13.9 POUNDS PER SQUARE INCH 3RD RESPONSE
MAXIMUM OPERATING PRESSURE13.9 POUNDS PER SQUARE INCH 4TH RESPONSE
MAXIMUM OPERATING PRESSURE13.9 POUNDS PER SQUARE INCH 5TH RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 3RD RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 4TH RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 4TH RESPONSE
NOMINAL THREAD SIZE0.250 INCHES 1ST END
SPECIAL FEATURESMAXIMUM OPERATING PRESSURE AND TEMP 13.9 PSI AND 250.0 F,DEIGNED FOR GAS INERT AND AMMONIA MEDIA
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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