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National Stock Number:
4820-01-187-6822
Federal Supply Class:
4820
National Item Identification Number:
011876822
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:
| 157A 1-2X1 1-4I | 99565 | ADMIRAL VALVE LLC | | 157A 1/2X1 1/4 3000T6000PSI | 99565 | ADMIRAL VALVE LLC | | MV57-9 | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC | | 6VR57-4-3 | 32142 | HYDRASEARCH COMPANY, LLC | | 6VR57-4-3 | 54716 | HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR CATALOGING | | 883117664 | 99565 | ADMIRAL VALVE LLC | | MV57-9 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | UNION | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE AND VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | BRONZE BODY | | MATERIAL | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 304 SEAT | | MAXIMUM OPERATING TEMP | 225.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES SECOND END | | NOMINAL THREAD SIZE | 1.250 INCHES FIRST END | | OPENING PRESSURE SETTING | 3000.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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