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National Stock Number:
4820-01-407-0656
Federal Supply Class:
4820
National Item Identification Number:
014070656
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.
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Manufacturer Information:
| 4820PL1440530 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 803-1385623 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-0442 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-0442 | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 6.563 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FACE TO FACE DISTANCE | 12.500 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | PLASTIC FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SECOND RESPONSE | | NOMINAL OUTSIDE DIAMETER | 7.688 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.000 INCHES ALL ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.000 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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