4820-01-079-9010 VALVE,SAFETY RELIEF Index 4820-01-079-9012 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-079-9011

Federal Supply Class:
4820

National Item Identification Number:
010799011

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:
2002801343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2002815187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20028 1-2X1-2 35T44PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20028G51SS01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20028G51SS15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+35.0 TO 44.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER2.380 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.620 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FACE TO FACE DISTANCE3.344 INCHES
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.344 INCHES
FLANGE FACE DESIGNRAISED WITH CURVE AND RADIUS ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL BODY
MATERIALSTEEL FLOW CONTROL DEVICE
MATERIALSTEEL SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, NATURAL SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS
NOMINAL THICKNESS0.440 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.190 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.180 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE SIZE0.500 INCHES
VALVE OPERATION METHODAUTOMATIC


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