4820-01-353-8459 VALVE,SAFETY RELIEF Index 4810-01-353-8461 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
4820-01-353-8460

Federal Supply Class:
4820

National Item Identification Number:
013538460

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:
4820PL09773629009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
6307323-00253711NAVAL SEA SYSTEMS COMMAND
A341-206239AUSCO INC
6307323-00297993GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALSTEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES FIRST END
NOMINAL THREAD SIZE1.312 INCHES SECOND END
OPENING PRESSURE SETTING115.0 POUNDS PER SQUARE INCH
SEAT ANGLE24.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
VALVE DISCHARGE FLOW RATE17.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENTPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH12 SECOND END
THREAD QUANTITY PER INCH16 FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS


Click here to Register for Free 30-day Trial