4820-01-013-8986 VALVE,SAFETY RELIEF Index 4820-01-013-8991 VALVE,BALL

National Stock Number:
4820-01-013-8987

Federal Supply Class:
4820

National Item Identification Number:
010138987

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:
10291702-118876U S ARMY AVIATION AND MISSILE COMMAND
D524A-3M-2091816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+0.5 TO 200.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.375 INCHES 1ST END
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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