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National Stock Number:
4820-01-348-1400
Federal Supply Class:
4820
National Item Identification Number:
013481400
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:
| 646B-2-3/8-52 | 09990 | PARKER-HANNIFIN CORPORATION | | 646B-2-3/8-52CP40 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |
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Techincal Specification:
| CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPENING PRESSURE SETTING | 40.0 POUNDS PER SQUARE INCH | | MATERIAL | STEEL CORROSION RESISTING BODYSTEEL CORROSION RESISTING FLOW CONTROL DEVICERUBBER ETHYLENE-PROPYLENE CLASS EPM PACKING | | MAXIMUM OPERATING TEMP | 300.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSEWATER, FRESH 2ND RESPONSE | | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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