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National Stock Number:
4820-00-481-9026
Federal Supply Class:
4820
National Item Identification Number:
004819026
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:
| FLANGE FACE DESIGN | RAISED | | FLANGE DIAMETER | 8.250 INCHES | | MATERIAL | COPPER ALLOY 861 STEM | | MATERIAL | COPPER ALLOY DISK | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | IRON CAST BODY | | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 250.0 POUNDS PER SQUARE INCH STEAM AND 500.0 POUNDS PER SQUARE INCH WATER-OIL-GAS | | SPECIAL FEATURES | 1.062 IN. THK;0.875 IN. BOLT HOLE DIA;6.625 IN. BOLT CIRCLE DIA;3 IN. NOM PIPE SIZE ACCOMMODATED;MAX OPERATING TEMP 450 DEG F;FLANGE RAISED FACE HT 0.062 IN.;FLANGE RAISED FACE DIA 5.688 IN. | | VALVE OPERATION METHOD | MANUAL | | STEM TYPE | RISING | | BOLT HOLE QUANTITY | 8 | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE, ROUND W/HOLES | | FACE TO FACE DISTANCE | 11.125 INCHES | | FEATURES PROVIDED | BONNET PACKING |
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