4820-01-338-2021 VALVE,SAFETY RELIEF Index 4820-01-338-2023 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-338-2022

Federal Supply Class:
4820

National Item Identification Number:
013382022

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:
5177T-6TB-28091816CIRCOR AEROSPACE, INC.


Techincal Specification:
DISK LOADING METHODWEIGHT
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIFTH RESPONSE
OPENING PRESSURE SETTING280.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
VALVE OPERATION METHODAUTOMATIC


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