|
|
|
National Stock Number:
4820-01-348-1402
Federal Supply Class:
4820
National Item Identification Number:
013481402
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.
|
Manufacturer Information:
| 1211257-1 | 56232 | LOCKHEED MARTIN CORPORATION | | 559T1P-4D-10 | 91816 | CIRCOR AEROSPACE, INC. | | 6369121-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
|
Techincal Specification:
| CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | FLOW CONTROL DEVICE | POPPET | | OPENING PRESSURE SETTING | 10.0 POUNDS PER SQUARE INCH | | MATERIAL | STEEL CORROSION RESISTING BODY | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSEHELIUM 2ND RESPONSEHYDROGEN 3RD RESPONSEFUEL/OIL, HYDROCARBON 4TH RESPONSE | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | LEFT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS |
|
|