4820-00-289-1805 VALVE,SAFETY RELIEF Index 4820-00-289-1809 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1807

Federal Supply Class:
4820

National Item Identification Number:
002891807

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:
147916497DRESSER, INC.
2478D-1-DA.5IN16497DRESSER, INC.
2606-1-2IN61T1214959CRANE CO DIV VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+61.0 TO 120.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
VALVE OPERATION METHODAUTOMATIC OR MANUAL
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH14 SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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