5940-01-134-3833 TERMINAL BOARD Index 4820-01-134-3835 VALVE,BALL

National Stock Number:
4820-01-134-3834

Federal Supply Class:
4820

National Item Identification Number:
011343834

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:
D559T-12D-12591816CIRCOR AEROSPACE, INC.
GV500HW12C125D26512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM FIFTH RESPONSE
NOMINAL THREAD SIZE1.062 INCHES FIRST END
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
THREAD QUANTITY PER INCH12 FIRST END


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