4820-01-292-6746 COCK,POPPET DRAIN Index 4820-01-292-6748 VALVE,BALL

National Stock Number:
4820-01-292-6747

Federal Supply Class:
4820

National Item Identification Number:
012926747

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
803-1385623-04580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER5.312 INCHES ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE12.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 922 BODYPLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICENICKEL ALLOY SEATNICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.688 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN FLANGED ENDS
VALVE OPERATION METHODMANUAL
VALVE SIZE4.000 INCHES


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