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National Stock Number:
4820-00-835-3872
Federal Supply Class:
4820
National Item Identification Number:
008353872
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:
| 516-031PCHPP168 | 34293 | HUNTINGTON INGALLS INCORPORATED | | 9879-151-02PCHPP168 | 96169 | ELECTRIC BOAT CORPORATION | | E8557Y41B | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +401.0/+500.0 POUNDS PER SQUARE INCH | | BOLT CIRCLE NOMINAL DIAMETER | 3.125 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END | | BOLT HOLE QUANTITY | 4 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | DISK LOADING METHOD | SPRING | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | POPPET | | NOMINAL OUTSIDE DIAMETER | 4.500 INCHES 1ST END | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MFG SPEC TYPE A2,CLASS C,THIS VALVEEQUIPPED WITH GAG ASSY | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC |
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