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National Stock Number:
4820-00-781-6059
Federal Supply Class:
4820
National Item Identification Number:
007816059
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:
| 7 1-2E | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| MATERIAL | IRON CAST BODY | | COPPER ALLOY SEAT | | COPPER ALLOY STEM | | COPPER ALLOY DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM | | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE DISK | | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 200.0 POUNDS PER SQUARE INCH STEAM AND | | 400.0 POUNDS PER SQUARE INCH WATER-OIL-GAS | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE, ROUND W/HOLES | | FLANGE DIAMETER | 20.500 INCHES | | BOLT HOLE QUANTITY | 16 | | FACE TO FACE DISTANCE | 19.750 INCHES | | FLANGE FACE DESIGN | RAISED | | STEM TYPE | RISING | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FEATURES PROVIDED | BONNET PACKING | | SPECIAL FEATURES | 1.938 IN. THK;1.250 IN. BOLT HOLE DIA;17.750 IN. BOLT CIRCLE DIA;FLANGE RAISED FACE HT 0.062 IN.;FLANGE RAISED FACE DIA 16.438 IN.;MAX OPERATING TEMP 500 DEG F |
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