4820-01-009-0627, 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:

103X3C200	75336	F.C.KINGSTON CO. DBA STORM MANUFACTURING
2605992	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
520T-2MP-50	91816	CIRCOR AEROSPACE, INC.
520T2MP520	91816	CIRCOR AEROSPACE, INC.

Techincal Specification:

CONNECTION STYLE	PLAIN (PIPE) FIRST END
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPE	THREADED EXTERNAL PIPE FIRST END
CONNECTION TYPE	THREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICE	POPPET
MATERIAL	RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT
MATERIAL	STEEL COMP 303 BODY
MAXIMUM OPERATING TEMP	450.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP	-100.0 FAHRENHEIT FIRST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES SECOND END
NOMINAL THREAD SIZE	0.250 INCHES FIRST END
NOMINAL THREAD SIZE	0.250 INCHES SECOND END
OPENING PRESSURE SETTING	50.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURES	INLINE TYPE
VALVE OPERATION METHOD	AUTOMATIC OR MANUAL
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD DIRECTION	RIGHT-HAND FIRST END
THREAD DIRECTION	RIGHT-HAND SECOND END
THREAD SERIES DESIGNATOR	NPT ALL ENDS

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