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National Stock Number:
4820-00-893-2107
Federal Supply Class:
4820
National Item Identification Number:
008932107
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:
| 5330F | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | NICKEL ALLOY BODY | | COBALT ALLOY BODY LINING | | NICKEL ALLOY FLOW CONTROL DEVICE | | FLOW CONTROL DEVICE | POPPET | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE 2ND END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | ROUND WITH HOLES 2ND END | | NOMINAL OUTSIDE DIAMETER | 3.750 INCHES 1ST END | | 4.875 INCHES 2ND END | | BOLT HOLE QUANTITY | 4 1ST END | | 4 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES 1ST END | | 0.750 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 2.625 INCHES 1ST END | | 3.500 INCHES 2ND END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | RAISED STRAIGHT 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 850.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 04537 | | DESIGN CONTROL REFERENCE | 5330F |
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