4820-01-122-3629 VALVE,SAFETY RELIEF Index 4820-01-122-3631 VALVE,VENT

National Stock Number:
4820-01-122-3630

Federal Supply Class:
4820

National Item Identification Number:
011223630

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:
2021201343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212 REV-C 45T55PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212HM41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212HM41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20212 REV-C 45T55PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+45.0 TO 55.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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