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National Stock Number:
4820-01-269-1539
Federal Supply Class:
4820
National Item Identification Number:
012691539
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.
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Manufacturer Information:
| 1905DC-2/XDA1/0 | 16497 | DRESSER, INC. | | 1905DC-2/XDA1/OL 21T28PSI | 16497 | DRESSER, INC. |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +21.0 TO 28.0 POUNDS PER SQUARE INCH | | BOLT CIRCLE NOMINAL DIAMETER | 3.125 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | DISK LOADING METHOD | SPRING | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL BODY | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER | 4.250 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.562 INCHES ALL ENDS | | RAISED FACE NOMINAL DIAMETER | 2.000 INCHES ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.125 INCHES | | SPECIAL FEATURES | OPEN LEVER | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.000 INCHES |
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