4820-00-541-0453 VALVE,SAFETY RELIEF Index 4820-00-541-0455 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-541-0454

Federal Supply Class:
4820

National Item Identification Number:
005410454

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:
31385081982HYDRO-AIRE AEROSPACE CORP
37F3972026512NORTHROP GRUMMAN SYSTEMS CORPORATION
52-4698391ARKWIN INDUSTRIES, INC.


Techincal Specification:
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
DISK LOADING METHODSPRING
MAXIMUM OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES 1ST END
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH18 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE DISCHARGE FLOW RATE6.0 GALLONS PER MINUTE


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