4820-01-198-4202 VALVE,RELIEF,PRESSURE AND TEMPER Index 4820-01-198-4204 VALVE,RELIEF,PRESSURE AND TEMPER

National Stock Number:
4820-01-198-4203

Federal Supply Class:
4820

National Item Identification Number:
011984203

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:
4820PL09773639009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
518944353711NAVAL SEA SYSTEMS COMMAND
H776A06239AUSCO INC


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE2.890 INCHES NOMINAL
FIRST END CONNECTION TYPETHREADED INTERNAL BOSS
FIRST END STYLE DESIGNATORSWIVEL NUT, GASKET SEAL
FIRST END NOMINAL THREAD SIZE0.750 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3B
FIRST END THREAD SERIES DESIGNATORUNJF
FLOW CONTROL DEVICEDISK, FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL COMP 316 SEAT
MATERIALSTEEL COMP 316 STEM
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, SILICATE-ESTER BASE
OPENING PRESSURE SETTING80.0 POUNDS PER SQUARE INCH
SECOND END CONNECTION TYPETHREADED EXTERNAL BOSS
SECOND END NOMINAL THREAD SIZE0.750 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORFLARED
SECOND END THREAD CLASS3A
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END THREAD SERIES DESIGNATORUNJ
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING125.0 FAHRENHEIT
VALVE DISCHARGE FLOW RATE10.0 GALLONS PER MINUTE


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