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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STEEL CORROSION RESISTING STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
VALVE SIZE0.500 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER3.562 INCHES ALL ENDS
NOMINAL THICKNESS0.375 INCHES ALL ENDS
BOLT HOLE QUANTITY3 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.438 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE18.0 TO 32.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESW/LIFTING LEVER
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY FIRST END CONNECTION TYPE
THE MANUFACTURERS DATA
MANUFACTURERS CODE75954
DESIGN CONTROL REFERENCENMP402


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