Product Details | SAFETY RELIEF VALVE

4820-00-203-2564 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: NMP345, FIG63112BCID882115191, FIG63112B-CID882115191, FIGL3112BCID882115191, FIGL3112B-CID882115191, LB112BC1D882115191, LB112B-C1D882115191, 4820-00-203-2564, 00-203-2564, 4820002032564, 002032564

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 00-203-2564

Drawings & Photos | NSN 4820-00-203-2564


Demand History | NSN 4820-00-203-2564

Part Number Request Date QTY Origin
4820-00-203-2564 2010-07-193 2 DIBBS

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Technical Data | NSN 4820-00-203-2564

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.062 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 0.312 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 650.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD HYDRAULIC OR MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 3.750 INCHES 1ST END 3.500 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 2.625 INCHES 1ST END 2.375 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 51.0 TO 70.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND BONNET PACKING

Restrictions/Controls & Freight Information | NSN 4820-00-203-2564

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