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National Stock Number:
4820-00-906-0922
Federal Supply Class:
4820
National Item Identification Number:
009060922
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:
| 1640-4NPT | 37239 | LUNKENHEIMER CO |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | U-BOLT | | FEATURES PROVIDED | BONNET PACKING | | OPERATING PRESSURE AND TYPE | 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A126-61T,CL B ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COPPER ALLOY DISK | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | IRON CAST BODY | | MATERIAL | STEEL CORROSION RESISTING STEM | | NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES | | NOMINAL THREAD SIZE | 4.000 INCHES | | VALVE OPERATION METHOD | MANUAL | | STEM TYPE | RISING | | THREAD SERIES DESIGNATOR | NPT | | THREAD QUANTITY PER INCH | 8 |
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