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National Stock Number:
4820-01-284-2177
Federal Supply Class:
4820
National Item Identification Number:
012842177
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:
| 1910NC-1 AND 1900N 171T194PSI | 16497 | DRESSER, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL BODY | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | STEAM 2ND RESPONSE | | WATER, FRESH 3RD RESPONSE | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE | | 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE 2ND END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | ROUND WITH HOLES 2ND END | | NOMINAL OUTSIDE DIAMETER | 11.000 INCHES 1ST END | | 10.000 INCHES 2ND END | | NOMINAL THICKNESS | 0.688 INCHES 1ST END | | 1.062 INCHES 2ND END | | BOLT HOLE QUANTITY | 8 1ST END | | 8 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END | | 0.875 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 9.500 INCHES 1ST END | | 7.875 INCHES 2ND END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | RAISED STRAIGHT 2ND END | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END | | 0.062 INCHES 2ND END | | RAISED FACE NOMINAL DIAMETER | 8.500 INCHES 1ST END | | 6.188 INCHES 2ND END | | ADJUSTABLE PRESSURE RANGE | 171.0 TO 194.0 POUNDS PER SQUARE INCH |
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