4820-00-287-6074 VALVE,SAFETY RELIEF Index 4820-00-287-6081 VALVE,PLUG

National Stock Number:
4820-00-287-6078

Federal Supply Class:
4820

National Item Identification Number:
002876078

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:
HH2-CID88211194215187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY OVERALL
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
FLANGE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER4.250 INCHES 2ND END
NOMINAL THICKNESS0.475 INCHES 2ND END
BOLT HOLE QUANTITY4 2ND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES 2ND END
FLANGE FACE DESIGNPLAIN 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NOMINAL THREAD SIZE1.250 INCHES 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE13.0 TO 20.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURESW/LIFTING LEVER


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