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National Stock Number:
4820-00-281-1212
Federal Supply Class:
4820
National Item Identification Number:
002811212
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:
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | SILICON AND | | COPPER ALLOY SEAT | | COPPER ALLOY STEM | | PLASTIC POLYTETRAFLUOROETHYLENE DISK | | VALVE SIZE | 0.750 INCHES | | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 125.0 POUNDS PER SQUARE INCH STEAM AND | | 200.0 POUNDS PER SQUARE INCH WATER-OIL-GAS | | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 406.0 DEG FAHRENHEIT STEAM | | VALVE OPERATION METHOD | MANUAL | | INLET RELATIONSHIP WITH OUTLET | IDENTICAL | | CONNECTION TYPE | SOCKET, WELD, PIPE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES | | STEM TYPE | NONRISING | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | FEATURES PROVIDED | BONNET PACKING | | SUPPLEMENTARY FEATURES | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 12168, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
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