4820-00-497-7442 VALVE,CONTROL Index 4820-00-497-7445 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-497-7444

Federal Supply Class:
4820

National Item Identification Number:
004977444

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:
5120T-6TB-30091816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+240.0 TO 360.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 2ND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303/SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE2400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
NOMINAL THREAD SIZE0.562 INCHES 2ND END
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNJF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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