4820-01-114-6575 VALVE,BUTTERFLY Index 5915-01-114-6577 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-114-6576

Federal Supply Class:
4820

National Item Identification Number:
011146576

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
803-1385623-05180064NAVAL SHIP SYSTEMS COMMAND
810-138562380064NAVAL SHIP SYSTEMS COMMAND
810-1385623-05180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
PLASTIC POLYAMIDE FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN FLANGED ENDS
FACE TO FACE DISTANCE14.750 INCHES
VALVE SIZE5.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER9.062 INCHES ALL ENDS
NOMINAL THICKNESS1.062 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER7.812 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
SPECIAL FEATURESFOUR ADDITIONAL HOLES 5/8-11 NC-2 ON A 7.812 DIA BC


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