4820-01-261-0162 VALVE,SAFETY RELIEF Index 4820-01-261-0164 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-261-0163

Federal Supply Class:
4820

National Item Identification Number:
012610163

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:
332-224613499ROCKWELL COLLINS, INC.
332-2246-06013499ROCKWELL COLLINS, INC.
5177A-4TB-150091816CIRCOR AEROSPACE, INC.
332-2246-06095105ROCKWELL COLLINS, INC.


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL(BOSS) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM BODY
MATERIALRUBBER SYNTHETIC SEAT
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIFTH RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
OPENING PRESSURE SETTING1500.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD CLASS3B SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


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