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National Stock Number:
4820-00-202-8380
Federal Supply Class:
4820
National Item Identification Number:
002028380
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:
| 2-2850-76 | 45681 | PARKER-HANNIFIN CORPORATION | | 2-2850-76 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY BODY LINING | | MATERIAL | ALUMINUM ALLOY SEAT | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END | | SEAT ANGLE | 37.0 DEGREES 2ND END | | SEAT ANGLE | 60.0 DEGREES 1ST END | | VALVE DISCHARGE FLOW RATE | 32.9 CUBIC METERS PER MINUTE | | STYLE DESIGNATOR | ANGLE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3A 2ND END | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | UNF 2ND END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD QUANTITY PER INCH | 20 2ND END |
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