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National Stock Number:
4820-01-456-0802
Federal Supply Class:
4820
National Item Identification Number:
014560802
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:
| N-12183-3 4IN NON-ASBESTOS | 63686 | THE WALWORTH COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | NICKEL ALLOY SEAT | | NICKEL ALLOY STEM | | COPPER ALLOY DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY | | QQ-N-288 FED SPEC 1ST MATERIAL RESPONSE SEAT | | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE STEM | | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK | | VALVE SIZE | 4.000 INCHES | | PRESSURE CLASS | 250.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | MANUAL | | INLET RELATIONSHIP WITH OUTLET | IDENTICAL | | CONNECTION TYPE | FLANGE, ROUND W/HOLES | | FLANGE DIAMETER | 7.687 INCHES | | BOLT HOLE QUANTITY | 8 | | FACE TO FACE DISTANCE | 6.750 INCHES | | FLANGE FACE DESIGN | PLAIN | | STEM TYPE | RISING | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | SPECIAL FEATURES | NON-ASBESTOS TYPE | | SPECIFICATION/STANDARD DATA | MIL-V-1189 TYPE 1 CLASS 2 GOVERNMENT SPECIFICATION |
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