4820-01-009-0626 VALVE,CHECK Index 4820-01-009-0628 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-009-0627

Federal Supply Class:
4820

National Item Identification Number:
010090627

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:
103X3C20075336F.C.KINGSTON CO. DBA STORM MANUFACTURING
260599230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
520T-2MP-5091816CIRCOR AEROSPACE, INC.
520T2MP52091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-100.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESINLINE TYPE
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL


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