4820-01-420-7954 DISK,VALVE Index 4940-01-420-7956 HOLDER,MAINTENANCE FIXTURE,MULTI

National Stock Number:
4820-01-420-7955

Federal Supply Class:
4820

National Item Identification Number:
014207955

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:
2.5 IN. 224-311859HUNT VALVE COMPANY, INC.
2.5 IN. 224-330263PIMA VALVE, LLC
2.5 IN. B1025E1V334KEY INDUSTRIES INC DBA LIBERTY EQUIPMENT AND SUPPLY CO
2.5 IN. B1025E30263PIMA VALVE, LLC
224-330263PIMA VALVE, LLC


Techincal Specification:
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY SEAT
NICKEL ALLOY 400 STEM
NICKEL ALLOY DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288,COMP.B FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-B-281,CL.A FED SPEC SINGLE MATERIAL RESPONSE STEM
QQ-N-288,COMP.A FED SPEC SINGLE MATERIAL RESPONSE DISK
VALVE SIZE2.500 INCHES
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER4.938 INCHES
BOLT HOLE QUANTITY4
FACE TO FACE DISTANCE7.500 INCHES
FLANGE FACE DESIGNRECESSED
STEM TYPENONRISING
BONNET TYPEPACKING RETAINING
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING
SPECIAL FEATURESUSED ON EIM ELECTRIC OPERATOR


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