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National Stock Number:
4820-00-491-3047
Federal Supply Class:
4820
National Item Identification Number:
004913047
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:
| 240 | 39305 | ITT MCDONNELL-MILLER A UNIT OF ITT FLUID HANDLING DIV | | 240-1-1-21N30 | 39305 | ITT MCDONNELL-MILLER A UNIT OF ITT FLUID HANDLING DIV | | 3301-30 | 06631 | ITT BELL AND GOSSET-HYDRONICS A UNIT OF ITT FLUID HANDLING DIV | | 3301 | 1N911 | REALTECH OF FLORIDA DBA VIERK INDUSTRIAL PRODUCTS | | 260-1-1/2IN | 39305 | ITT MCDONNELL-MILLER A UNIT OF ITT FLUID HANDLING DIV |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | NOMINAL THREAD SIZE | 1.500 INCHES SECOND END | | NOMINAL THREAD SIZE | 2.000 INCHES FIRST END | | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END |
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