4820-01-508-7491 PARTS KIT,SAFETY RELIEF VALVE Index 4730-01-508-7493 CLAMP,HOSE

National Stock Number:
4820-01-508-7492

Federal Supply Class:
4820

National Item Identification Number:
015087492

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:
LPD000179342WILLIAM E WILLIAMS VALVE CORP


Techincal Specification:
BOLT HOLE QUANTITY4
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE, ROUND W/HOLES
FURNISHED ITEMS AND QUANTITY1 GASKET AND 1 HANDWHEEL
FACE TO FACE DISTANCE7.500 INCHES
FEATURES PROVIDEDBONNET PACKING
FLANGE DIAMETER7.000 INCHES
FLANGE FACE DESIGNRAISED
INLET RELATIONSHIP WITH OUTLETIDENTICAL
PART NAME ASSIGNED BY CONTROLLING AGENCYCAST STAINLESS STEEL GATE VALVE CLASS 150. R,F B,B OS&Y.
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351 CF8 WITH HARD FACE ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351-CF8 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276-316 COMP ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONCF3 304 HARD FACE OVERLAY MFR REF SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 316 STEM
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL UNS J92600 BODY
MATERIALSTEEL UNS J92600 DISK
PRESSURE CLASS150.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESINGALLS SHIPBUILDING, PROJECT: LPD, REQ.: 714607TRH, ITEM NO: 41331; VALVE MAX. OPERATING PRESSURE IS 275 PSIG @ 100 DEGREES F.
STEM TYPENONRISING
VALVE OPERATION METHODMANUAL
VALVE SIZE2.500 INCHES


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