4820-01-281-0957 VALVE,Y Index 4820-01-281-0959 VALVE,BALL

National Stock Number:
4820-01-281-0958

Federal Supply Class:
4820

National Item Identification Number:
012810958

Description:
VALVE,BALL

Detail:
A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes VALVE, CHECK.


Manufacturer Information:
803-500100353711NAVAL SEA SYSTEMS COMMAND
803-5001003-A14153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.125 INCHES ALL ENDS
BOLT HOLE QUANTITY3 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE7.875 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY STEM
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALTITANIUM FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.250 INCHES ALL ENDS
NOMINAL THICKNESS0.688 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODMANUAL
VALVE SIZE0.250 INCHES


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