6660-00-420-5567 COVER,HEAD,UPPER Index 6660-00-420-5569 CAP,PRESSURE ROLLER

National Stock Number:
4820-00-420-5568

Federal Supply Class:
4820

National Item Identification Number:
004205568

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:
D559A1M591816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+0.5 TO 140.0 POUNDS PER SQUARE INCH+0.5 TO 140.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) FIRST ENDPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST ENDTHREADED EXTERNAL PIPE FIRST END
DISK LOADING METHODSPRINGSPRING
FLOW CONTROL DEVICEPOPPETPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2024 SEATALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2024 SEATALUMINUM ALLOY 2024 BODY
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSEACETYLENE FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSEAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN FOURTH RESPONSEAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIFTH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIFTH RESPONSEHYDROGEN FOURTH RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES FIRST END0.125 INCHES FIRST END
NOMINAL THREAD SIZE0.125 INCHES FIRST END0.125 INCHES FIRST END
OPENING PRESSURE SETTING0.5 POUNDS PER SQUARE INCH
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENTCHROMIUM LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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