4820-00-797-2477 VALVE,FLOAT Index 4820-00-797-2479 VALVE,GATE

National Stock Number:
4820-00-797-2478

Federal Supply Class:
4820

National Item Identification Number:
007972478

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.


Manufacturer Information:
4-263686THE WALWORTH COMPANY
A1088592G1428527L3HARRIS TECHNOLOGIES, INC.


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPETHREADED INTERNAL PIPE
FEATURES PROVIDEDBONNET PACKING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONWW-V-54D,TYPE 11,CLASS A FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY DISK
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED406.0 FAHRENHEIT STEAM
NOMINAL THREAD SIZE2.500 INCHES
STEM TYPENONRISING
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
VALVE SIZE2.500 INCHES


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