4820-01-218-3303 VALVE,SAFETY RELIEF Index 4810-01-218-3305 VALVE,SOLENOID

National Stock Number:
4820-01-218-3304

Federal Supply Class:
4820

National Item Identification Number:
012183304

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-8TB-35091816CIRCOR AEROSPACE, INC.
5177T-8TB-40091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL(BOSS) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIFTH RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.750 INCHES SECOND END
OPENING PRESSURE SETTING350.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS3A FIRST END
THREAD CLASS3B SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


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