4820-00-825-8894 VALVE,GATE Index 4820-00-825-8896 VALVE,GATE

National Stock Number:
4820-00-825-8895

Federal Supply Class:
4820

National Item Identification Number:
008258895

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:
B103054P05TS/88426L/88204930157574VELAN VALVE CORP.
MIL-DTL-1811081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV1811081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING BODY
STEEL SEAT
STEEL COMP 410 STEM
STEEL DISK
MATERIAL DOCUMENT AND CLASSIFICATIONA182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
66,AISI 410/SAE 51410 FED STD SINGLE MATERIAL RESPONSE STEM
MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE DISK
VALVE SIZE3.000 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED1500.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED975.0 DEG FAHRENHEIT WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEBUTT WELD PIPE
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODPRESSURE SEAL, RING TYPE
FURNISHED ITEMS AND QUANTITY1 BY-PASS
FEATURES PROVIDEDBONNET PACKING
SPECIAL FEATURES50 PERCENT LOWER OPERATING TORQUE ACHIEVED WITH NON-ROTATING STEM AND SEAT WEDGE FLEXIBILITY
TEST DATA DOCUMENT81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
NONDEFINITIVE SPEC/STD DATAB COMPOSITION
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY VALVE SIZE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-18110


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