4820-01-321-7247 VALVE,CHECK Index 4810-01-321-7249 VALVE,SOLENOID

National Stock Number:
4820-01-321-7248

Federal Supply Class:
4820

National Item Identification Number:
013217248

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:
9431-02-5800-49688773GEORGE W. DAHL INC.
9431-02-5800-49690005PUROLATOR FACET INC.
9431-20-0000-500 PIECE 688773GEORGE W. DAHL INC.
9431-20-0000-500 PIECE 690005PUROLATOR FACET INC.


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.375 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.438 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.469 INCHES
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE SHAPEROUND FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASME SA479,TY 316 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASME SA479,TY 316 ASSN STD 1ST MATERIAL RESPONSE AND ASTM A276,TY 440C GR 100 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
OPENING PRESSURE SETTING810.0 POUNDS PER SQUARE INCH
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.188 INCHES
VALVE DISCHARGE FLOW RATE9451.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE FLANGED ENDS


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