4820-00-198-6524 VALVE,SAFETY RELIEF Index 4820-00-980-2376 VALVE,SAFETY RELIEF

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.


Manufacturer Information:
2-2850-7645681PARKER-HANNIFIN CORPORATION
2-2850-7692003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS


Techincal Specification:
STYLE DESIGNATORANGLE
MATERIALALUMINUM ALLOY BODY
ALUMINUM ALLOY BODY LINING
ALUMINUM ALLOY SEAT
SURFACE TREATMENTANODIZE
VALVE DISCHARGE FLOW RATE32.9 CUBIC METERS PER MINUTE
CONNECTION TYPETHREADED INTERNAL TUBE 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
SEAT ANGLE60.0 DEGREES 1ST END
37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
0.250 INCHES 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
0.438 INCHES 2ND END
THREAD QUANTITY PER INCH20 1ST END
20 2ND END
THREAD CLASS3B 1ST END
3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
THE MANUFACTURERS DATA
MANUFACTURERS CODE92003
DESIGN CONTROL REFERENCE2-2850-76


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