4820-00-288-7199 VALVE,GATE Index 4820-00-288-7202 VALVE,GATE

National Stock Number:
4820-00-288-7200

Federal Supply Class:
4820

National Item Identification Number:
002887200

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:
1237 1-2IN48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
188137239LUNKENHEIMER CO
1881 1-2IN37239LUNKENHEIMER CO
FIG 1962 1-2IN37239LUNKENHEIMER CO
32 1-2IN63686THE WALWORTH COMPANY


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
COPPER ALLOY SEAT
COPPER ALLOY STEM
NICKEL ALLOY DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B584 (C87500) ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE0.500 INCHES
PRESSURE CLASS350.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED350.0 POUNDS PER SQUARE INCH STEAM AND
1000.0 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 SIZE0.500 INCHES
STEM TYPERISING
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODUNION
FEATURES PROVIDEDBONNET PACKING


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