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National Stock Number:
4820-00-142-1013
Federal Supply Class:
4820
National Item Identification Number:
001421013
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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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +2701.0 TO 3590.0 POUNDS PER SQUARE INCH | | BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SPRING | | CONNECTION STYLE | SOCKET (TUBE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.678 INCHES ALL ENDS | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
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