4820-01-104-9224 VALVE,SAFETY RELIEF Index 4820-01-104-9226 VALVE,BUTTERFLY

National Stock Number:
4820-01-104-9225

Federal Supply Class:
4820

National Item Identification Number:
011049225

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:
029-00127326916NORTHROP GRUMMAN SYSTEMS CORPORATION
029-001273-00126916NORTHROP GRUMMAN SYSTEMS CORPORATION
P7-26291816CIRCOR AEROSPACE, INC.


Techincal Specification:
NOMINAL THREAD SIZE0.562 INCHES 1ST END
OPENING PRESSURE SETTING0.5 POUNDS PER SQUARE INCH
SPECIAL FEATURESP/N P7-262 INTERNAL O-RING TO BE FLUROSILICONE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEGASKET SEAL (TUBE) 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP500.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, LUBRICATING, DIESTER BASE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE


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