NSN 4820-00-287-4040 G202362, G20236-2, 20827BE
Product Details | SAFETY RELIEF VALVE
4820-00-287-4040 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: G202362, G20236-2, 20827BE, 20827EF, 4820-00-287-4040, 00-287-4040, 4820002874040, 002874040
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-287-4040 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-287-4040
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Technical Data | NSN 4820-00-287-4040
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL FLOW CONTROL DEVICE STEEL SEAT NICKEL ALLOY STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.875 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.625 INCHES |
| VALVE SIZE | 1.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 16830.0 POUNDS PER HOUR |
| 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 |
| NOMINAL THICKNESS | 0.688 INCHES 1ST END 0.875 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 RAISED STRAIGHT 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END 0.250 INCHES 2ND END |
| RAISED FACE NOMINAL DIAMETER | 5.000 INCHES 1ST END 2.875 INCHES 2ND END |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 490.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-00-287-4040
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There 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 | ||