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National Stock Number:
4820-00-391-9356
Federal Supply Class:
4820
National Item Identification Number:
003919356
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:
| 20721 | 14959 | CRANE CO DIV VALVE DIV | | DD445S4810-243 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STYLE DESIGNATOR | STRAIGHT THRU Y-PATTERN | | FACE TO FACE DISTANCE | 14.000 INCHES | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END | | NOMINAL THICKNESS | 2.000 INCHES 1ST END | | BOLT HOLE QUANTITY | 8 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES 1ST END | | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | RAISED FACE NOMINAL HEIGHT | 0.125 INCHES 1ST END | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | THREADED | | SPECIAL FEATURES | 3/4 INCH FLANGED NIPPLE IN BONNET | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 14959 | | DESIGN CONTROL REFERENCE | 20721 |
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