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National Stock Number:
4820-00-307-7459
Federal Supply Class:
4820
National Item Identification Number:
003077459
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:
| WWV54 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | THREADED INTERNAL PIPE | | FEATURES PROVIDED | BONNET PACKING | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY DISK | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH WATER-OIL-GAS | | NOMINAL THREAD SIZE | 0.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND B CLASS | | SPECIAL FEATURES | 0.500 IN. PIPE SIZE;R.H. THD;2.375 IN. FACE TO FACE DISTANCE;MUST BE W/POLYTETRAFLUOROETHYLENE STEM PACKING | | STEM TYPE | RISING | | THREAD SERIES DESIGNATOR | ANPT | | VALVE OPERATION METHOD | MANUAL |
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