4820-01-309-4069 VALVE,BUTTERFLY Index 5930-01-309-4071 SWITCH,ROTARY

National Stock Number:
4820-01-309-4070

Federal Supply Class:
4820

National Item Identification Number:
013094070

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:
56300G01391363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R3011-42AA-1A1NB39DOVER RESOURCES INC DIV NORRISEAL
VA 4IN R3011-42AA TAP1NB39DOVER RESOURCES INC DIV NORRISEAL
VA 4IN R3011-42AA TAP91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALIRON CAST UNS F32800 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 A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM 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 DISTANCE4.260 INCHES
VALVE SIZE4.000 INCHES
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.190 INCHES ALL ENDS
NOMINAL THICKNESS2.000 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.250 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER1.810 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING FACILITYWAFER


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