Product Details | SAFETY RELIEF VALVE

4820-00-252-4851 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: S5101F3233071, 5VMA72, 4820-00-252-4851, 00-252-4851, 4820002524851, 002524851

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 00-252-4851

Drawings & Photos | NSN 4820-00-252-4851


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Technical Data | NSN 4820-00-252-4851

Characteristic Specifications
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 7.500 INCHES 1ST END 6.125 INCHES 2ND END
BOLT HOLE QUANTITY 4 1ST END 4 2ND END
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END 0.875 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 6.000 INCHES 1ST END 4.500 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END PLAIN 2ND END
RAISED FACE NOMINAL HEIGHT 0.062 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER 5.000 INCHES 1ST END
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 620.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 553.0 TO 631.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY THE OPENING PRESSURE SETTING REQUIREMENT
MANUFACTURERS CODE 38056
DESIGN CONTROL REFERENCE 5VMA72

Restrictions/Controls & Freight Information | NSN 4820-00-252-4851

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