4820-01-270-4273 VALVE,SAFETY RELIEF Index 4820-01-270-4275 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-270-4274

Federal Supply Class:
4820

National Item Identification Number:
012704274

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:
DA-40G 138T159PSI NMP-118401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DA-40G 138T159PSI NMP-118415187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
NMP-118401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1184 DA-40G01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DA-40G 138T159PSI NMP-118475954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-118475954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1184 DA-40G75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STEEL CORROSION RESISTING STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLESOCKET (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODUNION
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE138.0 TO 159.0 POUNDS PER SQUARE INCH


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