4820-00-004-8104 DISK AND PLATE ASSEMBLY Index 4720-00-004-8108 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-004-8107

Federal Supply Class:
4820

National Item Identification Number:
000048107

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:
3463-3IN48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
52701B48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
711F 3IN63686THE WALWORTH COMPANY
W726F63686THE WALWORTH COMPANY


Techincal Specification:
MATERIALIRON CAST UNS F11501 BODY
IRON CAST SEAT
STEEL CORROSION RESISTING STEM
IRON CAST DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM WPC ALLOY 147-1 ASSN STD SINGLE MATERIAL RESPONSE STEM
ASTM A-47 GRADE 32510 ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE3.000 INCHES
PRESSURE CLASS125.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED125.0 POUNDS PER SQUARE INCH STEAM AND
175.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER7.500 INCHES
BOLT HOLE QUANTITY4
FACE TO FACE DISTANCE8.000 INCHES
FLANGE FACE DESIGNPLAIN
STEM TYPERISING
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING


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