4820-01-416-3325 GUIDE,VALVE STEM Index 4410-01-416-3327 HEATER,WATER,ELECTRIC

National Stock Number:
4820-01-416-3326

Federal Supply Class:
4820

National Item Identification Number:
014163326

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:
21103448653711NAVAL SEA SYSTEMS COMMAND
SW14001E002015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
SW140A01E002001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW140A01E002015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL UNS J03002 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
STEEL COMP 303 SEAT
STEEL COMP 303 STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
VALVE SIZE0.500 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE235.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP200.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.375 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.188 INCHES ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH


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