4820-01-312-8198, VALVE,RELIEF,PRESSURE AND TEMPER

4820-01-312-8199 VALVE,RELIEF,PRESSURE AND TEMPER

National Stock Number:
4820-01-312-8198

Federal Supply Class:
4820

National Item Identification Number:
013128198

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:

20256	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20256J04S0501L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
20256Z51M	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20256Z51ML1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
20256L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+501.0 TO 600.0 POUNDS PER SQUARE INCH
BODY STYLE	ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	6.938 INCHES NOMINAL
FSC APPLICATION DATA	VALVE SAFETY RELIEF
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	NICKEL ALLOY BODY
MATERIAL	NICKEL ALLOY K-500 OR NICKEL ALLOY 502 FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM
MATERIAL	NICKEL ALLOY SEAT
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	6.438 INCHES NOMINAL
TEMP ADJUSTABILITY	NOT ADJUSTABLE
TEMP RATING	165.0 FAHRENHEIT

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