4820-01-127-6669 VALVE,SAFETY RELIEF Index 4820-01-127-6671 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-127-6670

Federal Supply Class:
4820

National Item Identification Number:
011276670

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:
2026401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2026415187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20264DM41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20264DM41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
2026401R040115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20264DM41M79343ASRC FEDERAL FACILITIES LOGISTICS, LLC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+401.0 TO 550.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.375 INCHES
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALNICKEL ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDLIQUID, INGESTED SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.688 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.375 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.750 INCHES


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