4820-01-283-2985 VALVE,LIFT-CHECK Index 4820-01-283-2987 VALVE,BUTTERFLY

National Stock Number:
4820-01-283-2986

Federal Supply Class:
4820

National Item Identification Number:
012832986

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:
526705553711NAVAL SEA SYSTEMS COMMAND
5267055-00253711NAVAL SEA SYSTEMS COMMAND
559T1-2MP-1291816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
DISK LOADING METHODSPRING
FSC APPLICATION DATAAN/SLQ-48,VEHICLE,SUBMERSIBLE MINE LOCATOR,MNS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479,TY 316 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 316 BODY
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
OPENING PRESSURE SETTING12.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE I,II OR III FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
VALVE OPERATION METHODAUTOMATIC


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