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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.625 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.500 INCHES
VALVE SIZE1.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 1ST RESPONSE
STEAM 2ND RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 1ST RESPONSE
200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP650.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE18.0 TO 32.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURESW/LIFTING LEVER


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