4820-01-237-0103 VALVE,SAFETY RELIEF Index 4820-01-237-0105 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-237-0104

Federal Supply Class:
4820

National Item Identification Number:
012370104

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:
B-2185-S21/2IPS 558T677PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
B-2185-S21/2IPS 558T677PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
B-2185-S21/2IPS 558T677PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
L-3220-A21/2IPS 558T677PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
L-3220-A21/2IPS 558T677PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
L-3220-A21/2IPS 558T677PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+558.0 TO 677.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALGLASS AND STEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP850.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS
NOMINAL THICKNESS0.688 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER4.125 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.750 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES


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