|
|
|
National Stock Number:
4820-01-200-8556
Federal Supply Class:
4820
National Item Identification Number:
012008556
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.
|
Manufacturer Information:
| 1900D | 16497 | DRESSER, INC. | | 1900D-1912DC 44 | 16497 | DRESSER, INC. | | 1900D-1912DC 448PSI BBT | 16497 | DRESSER, INC. | | 1912-00D-2-CC-MS-31-RF-LA-H | 16497 | DRESSER, INC. | | 1912DC-00-2MS-31-RF-LA | 16497 | DRESSER, INC. |
|
Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES SECOND END | | BOLT CIRCLE NOMINAL DIAMETER | 4.750 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES SECOND END | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | FLANGE FIRST END | | DISK LOADING METHOD | SPRING | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | FLANGE FACE DESIGN | RAISED STRAIGHT FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLANGE SHAPE | ROUND WITH HOLES SECOND END | | FLOW CONTROL DEVICE | DISK | | OPENING PRESSURE SETTING | 448.0 POUNDS PER SQUARE INCH | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | NOMINAL OUTSIDE DIAMETER | 4.875 INCHES SECOND END | | NOMINAL OUTSIDE DIAMETER | 6.000 INCHES FIRST END | | NOMINAL THICKNESS | 0.688 INCHES FIRST END | | NOMINAL THICKNESS | 0.688 INCHES SECOND END | | RAISED FACE NOMINAL DIAMETER | 3.625 INCHES FIRST END | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES FIRST END | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.125 INCHES | | SPECIAL FEATURES | WITH NOZZLE ON INLET END | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.000 INCHES |
|
|