4820-00-883-0170 VALVE,GATE Index 4820-00-883-0172 VALVE,GATE

National Stock Number:
4820-00-883-0171

Federal Supply Class:
4820

National Item Identification Number:
008830171

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:
F-667 SZ 3 IN82666STOCKHAM VALVES AND FITTINGS INC
F66782666STOCKHAM VALVES AND FITTINGS INC
F667-012168NIBCO INC


Techincal Specification:
MATERIALIRON CAST UNS F12102 BODY
COPPER ALLOY 836 SEAT
COPPER ALLOY 694 STEM
IRON CAST UNS F12102 DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
ASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEM
ASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE3.000 INCHES
PRESSURE CLASS250.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED250.0 POUNDS PER SQUARE INCH STEAM AND
500.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 DEG FAHRENHEIT STEAM AND
150.0 DEG FAHRENHEIT WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER8.250 INCHES
BOLT HOLE QUANTITY8
FACE TO FACE DISTANCE11.125 INCHES
FLANGE FACE DESIGNPLAIN
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING


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