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National Stock Number:
4820-00-816-5409
Federal Supply Class:
4820
National Item Identification Number:
008165409
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:
| 1112-577978 | 3H889 | PARKER-HANNIFIN CORPORATION | | 1112-577978 | 45681 | PARKER-HANNIFIN CORPORATION | | 1112-577978 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL(BOSS) FIRST END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | CONE | | OPERATING PRESSURE | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY SEAT | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | OPENING PRESSURE SETTING | 40.0 POUNDS PER SQUARE INCH | | VALVE DISCHARGE FLOW RATE | 5.0 GALLONS PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC | | SURFACE TREATMENT | ANODIZE LOCATION NOT OTHERWISE SPECIFIED | | THREAD CLASS | 3B FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD QUANTITY PER INCH | 20 FIRST END |
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