5325-00-478-3318 FASTENER ASSEMBLY,TURNLOCK Index 6110-00-478-3320 PROTECTOR,THERMAL-OVERLOAD,ELECT

National Stock Number:
4820-00-478-3319

Federal Supply Class:
4820

National Item Identification Number:
004783319

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:
258700680064NAVAL SHIP SYSTEMS COMMAND
559T-2MP-591816CIRCOR 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
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 416,COND H-CANCELED FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 416,COND H-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 416,COND H-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 416 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALSTEEL COMP 416 BODY
MATERIALSTEEL COMP 416 SEAT
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 4TH RESPONSE
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESINLINE TYPE
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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