4820-00-729-5451 VALVE,DIAPHRAGM,STOP Index 9390-00-729-5462 NONMETALLIC SPECIAL SHAPED SECTI

National Stock Number:
4820-00-729-5452

Federal Supply Class:
4820

National Item Identification Number:
007295452

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:
7545912-51318355THE BOEING COMPANY
7545912-51388277THE BOEING COMPANY
A40202A155081982HYDRO-AIRE AEROSPACE CORP


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
FLOW CONTROL DEVICEPOPPET
VALVE DISCHARGE FLOW RATE7.0 GALLONS PER MINUTE
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
THREAD QUANTITY PER INCH18 1ST END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1550.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE1400.0 TO 2300.0 POUNDS PER SQUARE INCH
THE MANUFACTURERS DATA
MANUFACTURERS CODE81982
DESIGN CONTROL REFERENCEA40202A1550


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