4820-00-289-1144 VALVE,SAFETY RELIEF Index 4820-00-289-1150 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1147

Federal Supply Class:
4820

National Item Identification Number:
002891147

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:
3-4FIG86-11001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
86-12501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
F1G105C-3-4IN11075336F.C.KINGSTON CO. DBA STORM MANUFACTURING
FIG119C-3-4IN11075336F.C.KINGSTON CO. DBA STORM MANUFACTURING


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
OPENING PRESSURE SETTING110.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHODAUTOMATIC OR MANUAL
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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