4820-00-939-8022 VALVE,GATE Index 4820-00-939-8026 VALVE,GATE

National Stock Number:
4820-00-939-8023

Federal Supply Class:
4820

National Item Identification Number:
009398023

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:
51484ITEM157574VELAN VALVE CORP.
51484ITEM1L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B08-3054B05TS23256-10REVBMODL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B8354B-57SL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B8354B-57S57574VELAN VALVE CORP.


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING BODY
COBALT ALLOY SEAT
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED1500.0 POUNDS PER SQUARE INCH STEAM
VALVE OPERATION METHODMANUAL
CONNECTION TYPEBUTT WELD PIPE
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
NONDEFINITIVE SPEC/STD DATAB COMPOSITION
DEPARTURE FROM CITED DOCUMENTQUALITY ASSURANCE TESTING IAW NAVY LEVEL 1 ASSURANCE GUIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE57574
DESIGN CONTROL REFERENCEB8354B-57S


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