4820-00-289-1877 VALVE,SAFETY RELIEF Index 4820-00-289-1882 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1881

Federal Supply Class:
4820

National Item Identification Number:
002891881

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:
1512 2 1-5IN38056ASHCROFT INC
1512 2 1/2IN 9238056ASHCROFT INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+920.0 TO 1000.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER5.125 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES FIRST END
BOLT HOLE QUANTITY8 FIRST END
BOLT HOLE QUANTITY6 SECOND END
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
SPECIAL FEATURESW/LIFTING LEVER
STYLE DESIGNATORANGLE


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