4820-01-127-6668 VALVE,SAFETY RELIEF Index 4820-01-127-6670 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-127-6669

Federal Supply Class:
4820

National Item Identification Number:
011276669

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:
2025501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2025515187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20255M51M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20255M51M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
2025501S009115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
MIL-V-2254981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALNICKEL ALLOY OVERALL
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP165.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE91.0 TO 105.0 POUNDS PER SQUARE INCH
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-22549


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