4820-00-056-7661 VALVE,GATE Index 4820-00-056-7677 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-056-7662

Federal Supply Class:
4820

National Item Identification Number:
000567662

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:
182048422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
MATERIALIRON CAST BODY
IRON CAST SEAT
COPPER ALLOY STEM
IRON CAST DISK
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED250.0 POUNDS PER SQUARE INCH STEAM AND
500.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER10.000 INCHES
BOLT HOLE QUANTITY8
FACE TO FACE DISTANCE12.000 INCHES
FLANGE FACE DESIGNRAISED
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING
SPECIAL FEATURES1.250 IN. THK;0.875 IN. BOLT HOLE DIA;7.875 IN. BOLT CIRCLE DIA;FLANGE RAISED FACE HT 0.062 IN.;FLANGE RAISED FACE DIA 6.938 IN.


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