4820-00-287-4081 VALVE,SAFETY RELIEF Index 4820-00-287-4085 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4084

Federal Supply Class:
4820

National Item Identification Number:
002874084

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:
11275336F.C.KINGSTON CO. DBA STORM MANUFACTURING
178021XBP3LEROI INTERNATIONAL INC DBA COMPAIR LEROI
4A01085835301DRESSER INDUSTRIES INC LEROI DIV
50919935301DRESSER INDUSTRIES INC LEROI DIV
75635301DRESSER INDUSTRIES INC LEROI DIV
1780253239COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO
FIG48-200-1401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
T1A420017431ILLINOIS TOOL WORKS INC.


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
VALVE DISCHARGE FLOW RATE62.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC OR MANUAL
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END


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