4820-01-214-6901 VALVE,BUTTERFLY Index 4820-01-214-6903 VALVE,BUTTERFLY

National Stock Number:
4820-01-214-6902

Federal Supply Class:
4820

National Item Identification Number:
012146902

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:
3R2040-42AA1NB39DOVER RESOURCES INC DIV NORRISEAL
3R2040-42AA91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
COPPER ALLOY 954 FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
STEEL COMP 316 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 FLANGED ENDS
FACE TO FACE DISTANCE1.750 INCHES
VALVE SIZE3.000 INCHES
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER5.375 INCHES ALL ENDS
NOMINAL THICKNESS0.938 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING FACILITYWAFER


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