4820-01-259-2273 VALVE,REGULATING,FLUID PRESSURE Index 4820-01-259-2275 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-259-2274

Federal Supply Class:
4820

National Item Identification Number:
012592274

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:
2023501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20235L51, CD SHT 1628215187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20235L51M CD SHT 1628201343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+76.0 TO 90.0 POUNDS PER SQUARE INCH
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD 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 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE460.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
SPECIAL FEATURESSPRING NUMBER: 75L
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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