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:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 416 BODY
STEEL COMP 416 AND
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
STEEL COMP 416 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 416,COND H-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-764,TYPE 416,COND H-CANCELED FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-S-764,TYPE 416,COND H-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
ACETYLENE 2ND RESPONSE
AMMONIA, GASEOUS 3RD RESPONSE
REFRIGERANT 12 4TH RESPONSE
HYDROGEN 5TH RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT 1ST RESPONSE
250.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
THREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
PLAIN,OPTIONAL END(PIPE) 2ND END
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESINLINE TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE80064
MFR SOURCE CONTROLLING REFERENCE2587006


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