4730-01-228-1019 NUT,TUBE COUPLING Index 4820-01-228-1021 VALVE,CHECK

National Stock Number:
4820-01-228-1020

Federal Supply Class:
4820

National Item Identification Number:
012281020

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:
S-111 3/4IN12168NIBCO INC
S-111-LF-3/461623NIBCO INC CHEMTROL DIV


Techincal Specification:
MATERIALCOPPER ALLOY BODY
COPPER ALLOY SEAT
COPPER ALLOY STEM
SILICON DISK
VALVE SIZE0.750 INCHES
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPESOCKET, WELD, PIPE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
STEM TYPERISING
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODTHREADED


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