4820-01-134-1260, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-134-1260

Federal Supply Class:
4820

National Item Identification Number:
011341260

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
20210G51M	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20210G51M	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
BESAA04SCC-A036	5P967	DANTE VALVE COMPANY
BEMAA04SCC 35T44PSI	65079	DANCO VALVE COMPANY
BESAA04SCC	65079	DANCO VALVE COMPANY
BESAA04SCC-A036	65079	DANCO VALVE COMPANY
D54UU-04 1/2 35T44PSI	65079	DANCO VALVE COMPANY

Techincal Specification:

STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC
MATERIAL	COPPER ALLOY BODY
	NICKEL ALLOY FLOW CONTROL DEVICE
	NICKEL ALLOY SEAT
	NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	AIR 1ST RESPONSE
	GAS, INERT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	165.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	GASKET SEAL (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
BONNET TYPE	INSIDE SPRING
BONNET ATTACHMENT METHOD	BOLTED
ADJUSTABLE PRESSURE RANGE	35.0 TO 44.0 POUNDS PER SQUARE INCH

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