5331-01-190-0977 O-RING Index 4820-01-190-0979 VALVE,GATE

National Stock Number:
4820-01-190-0978

Federal Supply Class:
4820

National Item Identification Number:
011900978

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-637-31 2IN12168NIBCO INC


Techincal Specification:
MATERIALIRON CAST UNS F32800 BODY
COPPER ALLOY 922 SEAT
COPPER ALLOY 694 STEM
IRON CAST UNS F32800 DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
ASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEM
ASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE2.000 INCHES
PRESSURE CLASS150.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED150.0 POUNDS PER SQUARE INCH STEAM AND
250.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED550.0 DEG FAHRENHEIT STEAM AND
100.0 DEG FAHRENHEIT WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER6.000 INCHES
BOLT HOLE QUANTITY4
FACE TO FACE DISTANCE7.000 INCHES
FLANGE FACE DESIGNPLAIN
STEM TYPENONRISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING


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