4820-01-135-2455 VALVE,CHECK Index 4820-01-135-2457 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-135-2456

Federal Supply Class:
4820

National Item Identification Number:
011352456

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:
10145354A486GNIMIKKEISTOKESKUS NCB FINLAND
D559A12D15091816CIRCOR AEROSPACE, INC.
LT1038-098346BSERVICIOS Y PROYECTOS AVANZADOS S.A


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+0.0 TO 150.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEINVERTED FLARE (PIPE) 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE0.250 INCHES 1ST END
OPENING PRESSURE SETTING0.5 POUNDS PER SQUARE INCH
SPECIAL FEATURESMAX OPERATING PRESSURE AND TEMP,200 LB PSI,280 DEG F; DESIGNED FOR AIR,ALCOHOL,AMMONIA,HYDROCARBON FUEL/OIL,HELIUM,INERT GAS,AND GASEOUS NITROGEN
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
VALVE DISCHARGE FLOW RATE150.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC


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