4820-00-289-1881 VALVE,SAFETY RELIEF Index 4820-00-289-1883 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1882

Federal Supply Class:
4820

National Item Identification Number:
002891882

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:
20051B 15-AA-5501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 14.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL UNS J03002 BODY
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER2.500 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.500 INCHES
SPECIAL FEATURESW/LIFTING LEVER
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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