4820-01-149-3320 VALVE,GATE Index 4820-01-149-3322 VALVE,GLOBE

National Stock Number:
4820-01-149-3321

Federal Supply Class:
4820

National Item Identification Number:
011493321

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:
2621-90296169ELECTRIC BOAT CORPORATION
2621-902 ASSEMBLY AS 2IN63686THE WALWORTH COMPANY
SS845-1889587ASSYAS2IN63686THE WALWORTH COMPANY
2621-902 ASSEMBLY AS 2IN96169ELECTRIC BOAT CORPORATION


Techincal Specification:
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SCREW
CONNECTION TYPESOCKET, WELD, PIPE
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE DISK
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY DISK
MATERIALNICKEL ALLOY 400 SEAT
MATERIALNICKEL ALLOY 400 STEM
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES
STEM TYPERISING
VALVE OPERATION METHODMANUAL
VALVE SIZE2.000 INCHES


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