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National Stock Number:
4820-01-198-8610
Federal Supply Class:
4820
National Item Identification Number:
011988610
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:
| 3K4J0SE25C 160T186PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | D20K3X4IN160T186PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | SD-121 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | SD-121-3/4IN160T186PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | SD121 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | | D20K3X4IN160T186PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | | SD121-3X4IN160T186PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL BODY | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.375 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.125 INCHES | | VALVE SIZE | 3.000 INCHES | | FLOW CONTROL DEVICE | DISK | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END | | 9.000 INCHES 2ND END | | NOMINAL THICKNESS | 1.125 INCHES 1ST END | | 0.938 INCHES 2ND END | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END | | 0.750 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END | | 7.500 INCHES 2ND END | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 2ND END | | RAISED FACE NOMINAL DIAMETER | 1.688 INCHES 2ND END | | ADJUSTABLE PRESSURE RANGE | 160.0 TO 186.0 POUNDS PER SQUARE INCH |
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