4820-01-142-6491 VALVE,GLOBE Index 4820-01-142-6493 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-142-6492

Federal Supply Class:
4820

National Item Identification Number:
011426492

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:
V12-400NNLA43990NORGREN C A CO
V74G-4AK-NMN43990NORGREN C A CO


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
FLOW CONTROL DEVICEDIAPHRAGM
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP175.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
THREAD SERIES DESIGNATORNPTF 1ST END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE10.0 TO 125.0 POUNDS PER SQUARE INCH
THE MANUFACTURERS DATA
MANUFACTURERS CODE43990
DESIGN CONTROL REFERENCEV74G-4AK-NMN


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