4820-01-422-2652, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-422-2652

Federal Supply Class:
4820

National Item Identification Number:
014222652

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:

SW134	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW134B01E3350	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SW134B01E3350L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SW134L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CRITICALITY CODE JUSTIFICATION	ZZZY
FURNISHED ITEMS AND QUANTITY	2 TAILPIECE
FLOW CONTROL DEVICE	DISK
OPERATING PRESSURE	3350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A351 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	STEEL COMP 303 SEAT
MATERIAL	STEEL COMP 303 STEM
MATERIAL	STEEL CORROSION RESISTING BODY
NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	ANGLE

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