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National Stock Number:
4820-01-256-3582
Federal Supply Class:
4820
National Item Identification Number:
012563582
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:
| 412732 | 96214 | RAYTHEON COMPANY | | 524A-4D-28 | 91816 | CIRCOR AEROSPACE, INC. | | Z02RV04A280S | 62701 | ZEVCO INC | | Z02RV04A280S | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | ALUMINUM ALLOY BODY | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | CARBON DIOXIDE 2ND RESPONSE | | HELIUM 3RD RESPONSE | | HYDROGEN 4TH RESPONSE | | NITROGEN, GASEOUS 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -100.0 DEG FAHRENHEIT 1ST RESPONSE | | 400.0 DEG FAHRENHEIT 2ND RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | OPENING PRESSURE SETTING | 28.0 POUNDS PER SQUARE INCH |
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