4820-01-266-3638 VALVE,CHECK Index 4820-01-266-3640 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-266-3639

Federal Supply Class:
4820

National Item Identification Number:
012663639

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
199 1/2X 1.5IN.11672CRANE CO CRANE VALVE AND PARTS DIV
199 1/2X 1.5IN.13881CRANE CO FLOMATICS DIV
199 1/2X 1.5IN.89814CRANE CO
B42577-H13881CRANE CO FLOMATICS DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER2.625 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.500 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE12.000 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL OVERALL
MAXIMUM OPERATING TEMP-20.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3705.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER3.750 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER6.125 INCHES 1ST END
NOMINAL THICKNESS0.562 INCHES 2ND END
NOMINAL THICKNESS0.875 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER1.375 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER2.875 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.500 INCHES


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