4820-01-054-6656 VALVE,CHECK Index 4810-01-054-6658 VALVE,SOLENOID

National Stock Number:
4820-01-054-6657

Federal Supply Class:
4820

National Item Identification Number:
010546657

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:
D524A6D1991816CIRCOR AEROSPACE, INC.
D524A6D19-091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS FIFTH RESPONSE
NOMINAL THREAD SIZE0.562 INCHES FIRST END
OPENING PRESSURE SETTING19.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURES6TH MEDIA OXYGEN,GASEOUS
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


Click here to Register for Free 30-day Trial