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National Stock Number:
4820-00-068-9973
Federal Supply Class:
4820
National Item Identification Number:
000689973
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:
| 42ASSY5-8TDV3 | 32874 | BS&B SAFETY SYSTEMS LLC | | ASSYA3TYPE42 | 32874 | BS&B SAFETY SYSTEMS LLC |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.375 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | OPENING PRESSURE SETTING | 285.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 45.0 DEGREES 1ST END | | SPECIAL FEATURES | DIAPHRAM OPERATED | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 2A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE DISCHARGE FLOW RATE | 1500.0 POUNDS PER HOUR |
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