4820-01-135-7561 VALVE,CHECK Index 4810-01-135-7563 VALVE,SOLENOID

National Stock Number:
4820-01-135-7562

Federal Supply Class:
4820

National Item Identification Number:
011357562

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:
4820PL16269619009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
559A-6D-791816CIRCOR AEROSPACE, INC.
C225-1081755LOCKHEED MARTIN CORPORATION


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM FIFTH RESPONSE
NOMINAL THREAD SIZE0.562 INCHES FIRST END
OPENING PRESSURE SETTING7.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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