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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL CORROSION RESISTING BODY
SURFACE TREATMENTPASSIVATE
FLOW CONTROL DEVICEPISTON
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE80.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP50.0 DEG CELSIUS SINGLE RESPONSE
POWER DRIVE OPERATING PRESSURE10.0 POUNDS PER SQUARE INCH NOMINAL
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
0.250 INCHES 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
0.438 INCHES 2ND END
THREAD CLASS3B 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING10.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE10.0 TO 80.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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