4820-00-289-3781 VALVE,SAFETY RELIEF Index 4820-00-289-3792 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-3784

Federal Supply Class:
4820

National Item Identification Number:
002893784

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:
NMP40275954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
S4824-315748880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+18.0 TO 32.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER2.438 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY3 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
NOMINAL OUTSIDE DIAMETER3.562 INCHES ALL ENDS
NOMINAL THICKNESS0.375 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY FIRST END CONNECTION TYPE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
SPECIAL FEATURESW/LIFTING LEVER
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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