4820-00-203-2564 VALVE,SAFETY RELIEF Index 4820-00-203-2578 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-203-2577

Federal Supply Class:
4820

National Item Identification Number:
002032577

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:
1813BC4 2 1/2IN 58T6PSI FLGE38056ASHCROFT INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+58.0 TO 66.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.625 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEPOPPET
NOMINAL OUTSIDE DIAMETER7.000 INCHES 1ST END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC


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