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National Stock Number:
4820-00-981-3351
Federal Supply Class:
4820
National Item Identification Number:
009813351
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:
| 146D529-1 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | | 146D529-1 | 31550 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC OR | | MANUAL | | MATERIAL | COPPER ALLOY BODY | | COPPER ALLOY FLOW CONTROL DEVICE | | PLASTIC SEAT | | COPPER ALLOY STEM | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE 1ST RESPONSE | | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 75.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION STYLE | SOCKET ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES ALL ENDS | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 75.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 28528 | | DESIGN CONTROL REFERENCE | 146D529-1 |
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