4820-01-407-0659 DISK,VALVE Index 4820-01-407-0661 SLEEVE AND SLIDE,DIRECTIONAL CON

National Stock Number:
4820-01-407-0660

Federal Supply Class:
4820

National Item Identification Number:
014070660

Description:
VALVE,Y

Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION THAT PROVIDES UNOBSTRUCTED FLUID FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS DISK PERPENDICULARLY OFF CENTER AXIS OF ITS SEAT. THE STEM IS AT ANGLE OF LESS THAN 90 DEGREES (1.5708 RADIANS) TO PARALLEL INLET AND OUTLET FLOW. IT MAY UTILIZE A DIAPHRAGM AS PACKING. EXCLUDES VALVE, STOP-CHECK.


Manufacturer Information:
803-138562380064NAVAL SHIP SYSTEMS COMMAND
803-1385623-065276364MILWAUKEE VALVE CO, INC
803-1385623-065280064NAVAL SHIP SYSTEMS COMMAND
803-1385623-0652AF80064NAVAL SHIP SYSTEMS COMMAND
803-1385623-065291643SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC.


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER8.875 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY12 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE17.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER10.125 INCHES ALL ENDS
NOMINAL THICKNESS1.188 INCHES ALL ENDS
VALVE OPERATION METHODMANUAL
VALVE SIZE6.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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