Product Details | SAFETY RELIEF VALVE

4820-00-203-2580 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.

Part Alternates: R6134BY, 4820-00-203-2580, 00-203-2580, 4820002032580, 002032580

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 00-203-2580

Drawings & Photos | NSN 4820-00-203-2580


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Technical Data | NSN 4820-00-203-2580

Characteristic Specifications
STYLE DESIGNATOR A7A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.062 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 6.000 INCHES
VALVE SIZE 2.500 INCHES
FLOW CONTROL DEVICE POPPET
VALVE DISCHARGE FLOW RATE 53500.0 POUNDS PER HOUR
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 7.500 INCHES 1ST END
BOLT HOLE QUANTITY 8 1ST END
BOLT HOLE NOMINAL DIAMETER 0.812 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 5.875 INCHES 1ST END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 4.000 INCHES 1ST END
BONNET TYPE INSIDE SCREW
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 644.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-203-2580

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information