4820-01-238-7821 VALVE,RELIEF,PRESSURE AND TEMPERATURE Index 6210-01-238-7823 LENS,LIGHT

National Stock Number:
4820-01-238-7822

Federal Supply Class:
4820

National Item Identification Number:
012387822

Description:
VALVE,RELIEF,PRESSURE AND TEMPER

Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.


Manufacturer Information:
1406M31P0107482GENERAL ELECTRIC COMPANY
627B-4-1/4-2809990PARKER-HANNIFIN CORPORATION
627B-4-1/4-2886768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
END CONNECTION QUANTITY2
ADJUSTABLE PRESSURE RANGE+115.0 TO 250.0 POUNDS PER SQUARE INCH
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDANY ACCEPTABLE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE TREATMENTANODIZE OUTSIDE
TEMP ADJUSTABILITYADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING-40.0 FAHRENHEIT AND 225.0 FAHRENHEIT


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