4820-00-287-3933 VALVE,ANGLE Index 4820-00-287-3941 VALVE,GATE

National Stock Number:
4820-00-287-3940

Federal Supply Class:
4820

National Item Identification Number:
002873940

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:
922500-15637239LUNKENHEIMER CO
FIG771-237239LUNKENHEIMER CO


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY SEAT
COPPER ALLOY STEM
NICKEL ALLOY DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B584 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE2.000 INCHES
PRESSURE CLASS300.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED300.0 POUNDS PER SQUARE INCH STEAM AND
600.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED550.0 DEG FAHRENHEIT STEAM
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPETHREADED INTERNAL PIPE
THREAD SERIES DESIGNATORNPT
NOMINAL THREAD SIZE2.000 INCHES
STEM TYPENONRISING
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
FEATURES PROVIDEDBONNET PACKING


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