4820-01-439-6365 VALVE,BALL Index 7021-01-439-6367 COMPUTER,DIGITAL

National Stock Number:
4820-01-439-6366

Federal Supply Class:
4820

National Item Identification Number:
014396366

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:
954938472915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER7.875 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES FIRST END
BOLT HOLE QUANTITY8 FIRST END
BOLT HOLE QUANTITY8 SECOND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALIRON BODY
MATERIALSTEEL OR COPPER ALLOY STEM
MEDIA FOR WHICH DESIGNEDOIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
MOUNTING FACILITYBRACKET(S)
NOMINAL OUTSIDE DIAMETER10.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES SECOND END
NOMINAL THICKNESS0.937 INCHES SECOND END
NOMINAL THICKNESS1.250 INCHES FIRST END
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER6.937 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
SPECIAL FEATURESMODEL 091K-M
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE4.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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