4820-01-237-6174 VALVE,SAFETY RELIEF Index 4820-01-237-6176 COCK,PLUG

National Stock Number:
4820-01-237-6175

Federal Supply Class:
4820

National Item Identification Number:
012376175

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:
20M-1-1/4 150LB 55T74PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20M-11.25150LB55T74PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20M55T74PSI133701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C1337701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C13377 1-1/4 150LB 55T 74PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C13377 1.125 150LB 55T74PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+55.0/+74.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.688 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 836 BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MATERIALSTEEL COMP 1008 STEM
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.625 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.688 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.125 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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