4820-01-290-4917 VALVE,BUTTERFLY Index 4820-01-290-4919 VALVE,GLOBE

National Stock Number:
4820-01-290-4918

Federal Supply Class:
4820

National Item Identification Number:
012904918

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:
1503N 2.50IN48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
BOLT HOLE QUANTITY4
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE7.500 INCHES
FLANGE FACE DESIGNPLAIN
FLANGE DIAMETER7.000 INCHES
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL DISK
MATERIALSTEEL SEAT
MATERIALSTEEL UNS J03002 BODY
STEM TYPERISING
VALVE OPERATION METHODMANUAL
VALVE SIZE2.500 INCHES


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