4820-01-181-1881 VALVE,GATE Index 4820-01-181-1884 VALVE,PLUG

National Stock Number:
4820-01-181-1883

Federal Supply Class:
4820

National Item Identification Number:
011811883

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:
175101343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
175115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20092C51M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8524C51B01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8524C51M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20092C51M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
E8524C51M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
STEEL COMP 316 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
ADJUSTABLE PRESSURE RANGE15.0 TO 19.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESSPRING NUMBER: 75C


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