4820-01-217-9829 VALVE,SAFETY RELIEF Index 4820-01-217-9831 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-217-9830

Federal Supply Class:
4820

National Item Identification Number:
012179830

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:
5177T-6TB-150091816CIRCOR AEROSPACE, INC.
5177T-6TB-170091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID 4TH RESPONSE
NOMINAL THREAD SIZE0.563 INCHES ALL ENDS
OPENING PRESSURE SETTING1500.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
VALVE OPERATION METHODAUTOMATIC


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