4820-00-289-1857 VALVE,SAFETY RELIEF Index 4820-00-289-1861 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1859

Federal Supply Class:
4820

National Item Identification Number:
002891859

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:
A197460BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
A19746830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
A197468FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
A1974693235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D27359PC36293235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D29950PC36293235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
S6100-423710PC38780064NAVAL SHIP SYSTEMS COMMAND
S6100-438916PC36280064NAVAL SHIP SYSTEMS COMMAND
S6100-465297PC38780064NAVAL SHIP SYSTEMS COMMAND
D30390PC38793235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D30597PC36293235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D31210PC38793235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY OVERALL
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.500 INCHES
FLOW CONTROL DEVICEPISTON
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.875 INCHES ALL ENDS
NOMINAL THICKNESS0.062 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.500 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER2.000 INCHES ALL ENDS
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE10.0 TO 40.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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