4820-01-032-5697 VALVE,CHECK Index 4820-01-032-5699 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-032-5698

Federal Supply Class:
4820

National Item Identification Number:
010325698

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:
P87-34491816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE1.405 INCHES
FLANGE FACE DESIGNRECESSED WITH GASKET GROOVE ALL ENDS
FLANGE SHAPEROUND ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 304L/SAE 30304L FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304L OVERALL
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER1.750 INCHES ALL ENDS
NOMINAL THICKNESS0.320 INCHES ALL ENDS
OPENING PRESSURE SETTING270.0 POUNDS PER SQUARE INCH
RECESS NOMINAL DEPTH0.115 INCHES ALL ENDS
RECESS NOMINAL DIAMETER1.060 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
SURFACE TREATMENTPASSIVATE
VALVE DISCHARGE FLOW RATE20.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.250 INCHES


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