4820-01-281-7863 VALVE,BUTTERFLY Index 4820-01-281-7865 VALVE,PLUG

National Stock Number:
4820-01-281-7864

Federal Supply Class:
4820

National Item Identification Number:
012817864

Description:
VALVE,BUTTERFLY

Detail:
A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.


Manufacturer Information:
3-1/2IN R2040-42AA-2MM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
5R2040-42AA-2KM1NB39DOVER RESOURCES INC DIV NORRISEAL
R2040-42AA-2RM1NB39DOVER RESOURCES INC DIV NORRISEAL
911F56191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
COPPER ALLOY 958 FLOW CONTROL DEVICE
STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B148 ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
AISI 316 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
BUTTERFLY VALVE SIZE3.500 INCHES
SPECIAL FEATURESSPAN,DOUBLE RIB BODY TYPE;WORM AND GEAR OPERATOR


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