4820-01-266-1318 VALVE,GLOBE Index 4820-01-266-1321 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-266-1320

Federal Supply Class:
4820

National Item Identification Number:
012661320

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:
2014501S013615187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20145C01S013601343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E20145Q51M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20145C01S013615187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+136.0 TO 150.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.500 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) SECOND END
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
CONNECTION TYPEFLANGE FIRST END
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, INERT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER4.875 INCHES FIRST END
NOMINAL THICKNESS0.688 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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