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National Stock Number:
4820-01-255-8891
Federal Supply Class:
4820
National Item Identification Number:
012558891
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:
| AA15629-1 | 23168 | HAMMEL DAHL INC | | DD423-S47-31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.750 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | VALVE SIZE | 2.000 INCHES | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 5.562 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.438 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 6 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 4.438 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH |
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