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National Stock Number:
4820-00-654-3550
Federal Supply Class:
4820
National Item Identification Number:
006543550
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:
| A220515 | 32537 | JOY GLOBAL UNDERGROUND MINING LLC | | FIG330N14IN | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | FIG330T1-4IN | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 5500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 185.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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