4820-01-142-2206 VALVE,SAFETY RELIEF Index 4820-01-142-2208 VALVE,BUTTERFLY

National Stock Number:
4820-01-142-2207

Federal Supply Class:
4820

National Item Identification Number:
011422207

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:
2026501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
2026515187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20265-16-941SS01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20265-16-941SS15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
D447UU-14H-1/2-3/45P967DANTE VALVE COMPANY
D447UU-14 1/2 X 3/4 IN65079DANCO VALVE COMPANY


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
STEEL COMP 304 SEAT
STEEL COMP 303 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT
AISI 303 ASSN STD SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP165.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
UNTHREADED INTERNAL PIPE 2ND END
CONNECTION STYLESOCKET WITH BRAZING RING 1ST END
SOCKET WITH BRAZING RING 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
0.500 INCHES 2ND END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE441.0 TO 529.0 POUNDS PER SQUARE INCH


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