5940-00-155-7680 TERMINAL,LUG Index 4820-00-155-7682 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-155-7681

Federal Supply Class:
4820

National Item Identification Number:
001557681

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:
5120T12TB3091816CIRCOR AEROSPACE, INC.


Techincal Specification:
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
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 CLASSIFICATIONFEDSTD66,AISI303/SAE30303 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES 2ND END
NOMINAL THREAD SIZE1.062 INCHES 2ND END
NOMINAL THREAD SIZE1.500 INCHES 1ST END
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH12 1ST END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 1ST END
THREAD SERIES DESIGNATORUNJ 2ND END
VALVE OPERATION METHODAUTOMATIC


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