4820-01-201-2307 VALVE,SAFETY RELIEF Index 4820-01-201-2309 VALVE,BUTTERFLY

National Stock Number:
4820-01-201-2308

Federal Supply Class:
4820

National Item Identification Number:
012012308

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:
626B-2-1/4-409990PARKER-HANNIFIN CORPORATION
626B2-1-4-486768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
723816-8405869RAYTHEON COMPANY


Techincal Specification:
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
FLOW CONTROL DEVICEPOPPET
VALVE DISCHARGE FLOW RATE2.5 GALLONS PER MINUTE
CONNECTION STYLEPLAIN (PIPE) 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.250 INCHES 1ST END
0.250 INCHES 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING23.0 POUNDS PER SQUARE INCH


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