4820-01-057-4138, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-057-4138

Federal Supply Class:
4820

National Item Identification Number:
010574138

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:

20-CS-169-171T200PSI	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9520	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
D40HUU-09S01/2-1/2	5P967	DANTE VALVE COMPANY
D40UU-09 1/2IN	5P967	DANTE VALVE COMPANY
D40UU-09 1/2IN	65079	DANCO VALVE COMPANY
D40HUU-09 1/2 X 1/2	65079	DANCO VALVE COMPANY

Techincal Specification:

STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC
MATERIAL	COPPER ALLOY BODY
	COPPER ALLOY FLOW CONTROL DEVICE
	NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
	ASTM 283-56 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	ASTM B164,CLASS C ASSN STD SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES 1ST END
DISK LOADING METHOD	SPRING
ADJUSTABLE PRESSURE RANGE	171.0 TO 200.0 POUNDS PER SQUARE INCH

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