5310-01-499-5987 NUT,PLAIN,HEXAGON Index 5935-01-499-5989 CONNECTOR BODY,RECEPTACLE,ELECTR

National Stock Number:
4820-01-499-5988

Federal Supply Class:
4820

National Item Identification Number:
014995988

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:
00077C830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
00077C8FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
077C0AT62SIEMENS ENERGY, INC.
077C830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
077C93236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
1249853193236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
PL12498531 PC NO 820AT62SIEMENS ENERGY, INC.
PL12498531 PC NO 82830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
453036R2830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
453036R28FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
PL12498531 PC NO 828FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
PL12498531 PC NO 8293236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
77C93236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
PL1249853193236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+30.0 TO 100.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION STYLEFLARE(TUBE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPISTON
MATERIALSTEEL OVERALL
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDLIQUID 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDOIL 1ST RESPONSE
SPECIAL FEATURESDRESSER RAND PURCHASES THIS VALVE (PC 82) AND SPRING (PC 81, P/N 407S-WS) FROM FULFLO AND ASSEMBLES AND SETS CRACKING PRESSURE AT THEIR FACTORY. DRESSER RAND REFUSED TO SPECIFY CRACKING PRESSURE SETTING. SIMILAR ITEM IS 4820-01-259-8850 WHICH USES THE SAME SPRING AND IS SET AT 55 PSI.
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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