4820-01-003-7391 VALVE,SAFETY RELIEF Index 4810-01-003-7393 VALVE,BUTTERFLY

National Stock Number:
4820-01-003-7392

Federal Supply Class:
4820

National Item Identification Number:
010037392

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:
13U3-898437ELLIS & WATTS INTERNATIONAL, LLC
D559A-1M-3291816CIRCOR AEROSPACE, INC.
D559A-1M3291816CIRCOR AEROSPACE, INC.


Techincal Specification:
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE0.125 INCHES 1ST END
OPENING PRESSURE SETTING32.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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