4140-00-640-6811 IMPELLER,FAN,CENTRIFUGAL Index 4730-00-640-6823 FLANGE,PIPE

National Stock Number:
4820-00-640-6813

Federal Supply Class:
4820

National Item Identification Number:
006406813

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:
707-2-1-2IN.75144JENKINS BROS
707-2.50IN75144JENKINS BROS
T-103-HC-1/2 INCH12168NIBCO INC
MMC62PC498042MARINETTE MARINE CORPORATION


Techincal Specification:
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL HOSE AND THREADED INTERNAL PIPE
FURNISHED ITEMS AND QUANTITY1 CAP AND 1 CHAIN AND 1 GASKET
INLET RELATIONSHIP WITH OUTLETNOT IDENTICAL
OPERATING PRESSURE AND TYPE175.0 POUNDS PER SQUARE INCH (PSI) FRESH WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY DISK
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSILICON AND COPPER ALLOY STEM
NOMINAL THREAD SIZE2.500 INCHES
VALVE OPERATION METHODMANUAL
VALVE SIZE2.500 INCHES
STEM TYPENONRISING
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 98042, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
THREAD SERIES DESIGNATORNH AND NPT
THREAD QUANTITY PER INCH14


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