4820-00-640-0457 VALVE,SAFETY RELIEF Index 4730-00-640-0461 NIPPLE,BOSS

National Stock Number:
4820-00-640-0458

Federal Supply Class:
4820

National Item Identification Number:
006400458

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-1-3/4IPS-100-FLGXFLG01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20M-1-3/4IPS-100-FLGXFLG15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
2OM-1-3/4IPS-100-FLGXFLG01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2OM-1-3/4IPS-100-FLGXFLG15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
P9579BFIG658M0DFLANGES37239LUNKENHEIMER CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+7.0 TO 25.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER2.688 INCHES ALL ENDS
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE2.438 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.813 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE2.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.750 INCHES


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