4820-01-208-4254 VALVE,SAFETY RELIEF Index 4820-01-208-4256 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-208-4255

Federal Supply Class:
4820

National Item Identification Number:
012084255

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:
852601343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
863201343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8526P41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8632P41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8632P41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+121.0 TO 135.0 POUNDS PER SQUARE INCH
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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