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:
MATERIALSTEEL COMP 1010 BODY
COBALT ALLOY SEAT
STEEL CORROSION RESISTING STEM
STEEL AND
COBALT ALLOY DISK
VALVE SIZE1.500 INCHES
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPESOCKET, WELD, PIPE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING
SPECIAL FEATURESQUALITY CONTROLLED IN ACCORDANCE W/NAVY LEVEL 1 ASSURANCE GUIDE
NONDEFINITIVE SPEC/STD DATAD COMPOSITION AND
1500 RATING
DEPARTURE FROM CITED DESIGNATORQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZX
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILV18110


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