4820-01-053-0598, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-053-0598

Federal Supply Class:
4820

National Item Identification Number:
010530598

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:

20210	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20210R51M	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20210R51M	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+151.0 TO 180.0 POUNDS PER SQUARE INCH
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET WITH BRAZING RING ALL ENDS
DISK LOADING METHOD	SPRING
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MAXIMUM OPERATING TEMP	165.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC

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