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National Stock Number:
4820-01-098-1626
Federal Supply Class:
4820
National Item Identification Number:
010981626
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:
| 1/2-1478 185PSI | 16497 | DRESSER, INC. | | 1478-1/2IN185PSI | 38056 | ASHCROFT INC | | 2478-185 PSI | 16497 | DRESSER, INC. | | 214636 | 38056 | ASHCROFT INC | | 214636 1/2 INCH SIZE | 38056 | ASHCROFT INC | | 214636-1/2 IN-1478 185PSI | 38056 | ASHCROFT INC |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY BODY | | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-C-390,ALLOY D5/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | PLAIN,OPTIONAL END(PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END | | 0.750 INCHES 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 185.0 POUNDS PER SQUARE INCH |
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