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National Stock Number:
4820-00-881-1141
Federal Supply Class:
4820
National Item Identification Number:
008811141
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:
| 1786 | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY STEM | | MATERIAL | IRON CAST BODY | | 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 | | SPECIAL FEATURES | 4.000 IN. PIPE SIZE;R.H. THD;8 THDS PER INCH;MAX OPERATING TEMP 450 DEG F | | THREAD SERIES DESIGNATOR | NPT | | VALVE OPERATION METHOD | MANUAL | | STEM TYPE | NONRISING | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | THREADED INTERNAL PIPE | | FEATURES PROVIDED | BONNET PACKING | | NOMINAL THREAD SIZE | 4.000 INCHES | | MATERIAL | COPPER ALLOY DISK | | MATERIAL | COPPER ALLOY SEAT |
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