4820-01-340-4037 VALVE,SAFETY RELIEF Index 4820-01-340-4039 VALVE,BUTTERFLY

National Stock Number:
4820-01-340-4038

Federal Supply Class:
4820

National Item Identification Number:
013404038

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:
666858653711NAVAL SEA SYSTEMS COMMAND
6668586 ITEM VR-3/453711NAVAL SEA SYSTEMS COMMAND
R6PH2009990PARKER-HANNIFIN CORPORATION


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+150.0 TO 3000.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
OPENING PRESSURE SETTING1500.0 POUNDS PER SQUARE INCH
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE DISCHARGE FLOW RATE40.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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