4820-01-285-8386 VALVE,SAFETY RELIEF Index 4820-01-285-8388 VALVE,PLUG

National Stock Number:
4820-01-285-8387

Federal Supply Class:
4820

National Item Identification Number:
012858387

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:
20 2.50IN SET 75PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C14119 2.50IN SET 75PSI FIG 2001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
COPPER ALLOY AND
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
COPPER ALLOY STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
VALVE SIZE2.500 INCHES
FLOW CONTROL DEVICEBALL OR
DISK
MAXIMUM OPERATING PRESSURE225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH


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