4820-00-289-3771 VALVE,SAFETY RELIEF Index 4820-00-289-3781 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-3780

Federal Supply Class:
4820

National Item Identification Number:
002893780

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:
NMP40401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP40415187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
NMP40475954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
S4824-315748780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+18.0 TO 32.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.625 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP650.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.500 INCHES
SPECIAL FEATURESW/LIFTING LEVER
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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