4820-00-939-7929 VALVE,ANGLE Index 4820-00-939-7933 VALVE,GATE

National Stock Number:
4820-00-939-7931

Federal Supply Class:
4820

National Item Identification Number:
009397931

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:
51504 ITEM 157574VELAN VALVE CORP.
MILV1811081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV18110L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
W7-354B-2TSL157574VELAN VALVE CORP.


Techincal Specification:
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPESOCKET, WELD, PIPE
CRITICALITY CODE JUSTIFICATIONZZZX
DEPARTURE FROM CITED DESIGNATORQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
FEATURES PROVIDEDBONNET PACKING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIALCOBALT ALLOY SEAT
MATERIALSTEEL AND COBALT ALLOY DISK
MATERIALSTEEL COMP 1010 BODY
MATERIALSTEEL CORROSION RESISTING STEM
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES
NONDEFINITIVE SPEC/STD DATAD COMPOSITION AND 1500 RATING
STEM TYPERISING
SPECIAL FEATURESQUALITY CONTROLLED IN ACCORDANCE W/NAVY LEVEL 1 ASSURANCE GUIDE
VALVE OPERATION METHODMANUAL
VALVE SIZE1.500 INCHES


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