4820-00-287-3953 VALVE,GATE Index 4820-00-287-3957 VALVE,GATE

National Stock Number:
4820-00-287-3954

Federal Supply Class:
4820

National Item Identification Number:
002873954

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:
FIG49014959CRANE CO DIV VALVE DIV
FIG490-4INCH14959CRANE CO DIV VALVE DIV
NO. 490 VALVE N.P.S. 4 IN.14959CRANE CO DIV VALVE DIV


Techincal Specification:
VALVE SIZE4.000 INCHES
PRESSURE CLASS125.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED200.0 POUNDS PER SQUARE INCH STEAM AND
200.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 DEG FAHRENHEIT STEAM AND
450.0 DEG FAHRENHEIT WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPETHREADED INTERNAL PIPE
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES
THREAD SERIES DESIGNATORNPT
NOMINAL THREAD SIZE4.000 INCHES
STEM TYPERISING
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODU-BOLT
FEATURES PROVIDEDBONNET PACKING


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