4820-00-896-4666 SPRING,VALVE SAFETY Index 6680-00-896-4681 CONTROL,ALARM

National Stock Number:
4820-00-896-4667

Federal Supply Class:
4820

National Item Identification Number:
008964667

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:
316999053711NAVAL SEA SYSTEMS COMMAND
75318-686768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
75318-611STQ3CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA SPRAGUE PRODUCTS DIV CURTISS-WRIGHT FLOW CONTROLS
S21486768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 80.0 POUNDS PER SQUARE INCH
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPISTON
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING TEMP50.0 CELSIUS SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
OPENING PRESSURE SETTING10.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE10.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE
OPERATING PRESSURE80.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SURFACE TREATMENTPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3B FIRST END
THREAD CLASS3B SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD SERIES DESIGNATORUNF SECOND END


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