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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALNICKEL ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE BODY
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.375 INCHES
VALVE SIZE0.750 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDLIQUID, INGESTED SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER3.688 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE401.0 TO 550.0 POUNDS PER SQUARE INCH


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