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National Stock Number:
4820-01-298-1214
Federal Supply Class:
4820
National Item Identification Number:
012981214
Description:
VALVE,GATE
Detail:
A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
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Manufacturer Information:
| 2491 3-4IN | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION | | C25290 3-4IN | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION |
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Techincal Specification:
| BOLT HOLE QUANTITY | 4 | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE, ROUND W/HOLES | | FACE TO FACE DISTANCE | 4.625 INCHES | | FLANGE FACE DESIGN | RAISED | | FLANGE DIAMETER | 3.875 INCHES | | INLET RELATIONSHIP WITH OUTLET | IDENTICAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276,TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL COMP 316 STEM | | MATERIAL | STEEL UNS J92900 SEAT | | MATERIAL | STEEL UNS J92900 BODY | | MATERIAL | STEEL UNS J92900 DISK | | PRESSURE CLASS | 150.0 POUNDS | | STEM TYPE | RISING | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 0.750 INCHES |
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