4820-00-289-1837 VALVE,SAFETY RELIEF Index 4820-00-289-1841 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1840

Federal Supply Class:
4820

National Item Identification Number:
002891840

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:
NY460-484-6PC1123230AMEC FOSTER WHEELER NORTH AMERICA CORP. DBA FOSTER WHEELER
S5101-880459ALT6PC1153711NAVAL SEA SYSTEMS COMMAND
TYPE R,3/4INCH64042WATSON MCDANIEL CO
S5101-880459ALT6PC1180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
COPPER ALLOY SEAT
FLOW CONTROL DEVICEBALL
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD QUANTITY PER INCH14 1ST END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE101.0 TO 300.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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