5330-01-435-2238 GASKET Index 4820-01-435-2240 SEAT,VALVE

National Stock Number:
4820-01-435-2239

Federal Supply Class:
4820

National Item Identification Number:
014352239

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:
980-00411NB39DOVER RESOURCES INC DIV NORRISEAL
980-004191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R2030-64AA-2RM 8IN1NB39DOVER RESOURCES INC DIV NORRISEAL
R2030-64AA-2RM 8IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER11.750 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE10.880 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY 400 STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MINIMUM OPERATING TEMP-30.0 FAHRENHEIT
NOMINAL OUTSIDE DIAMETER13.500 INCHES ALL ENDS
NOMINAL THICKNESS1.125 INCHES ALL ENDS
SPECIAL FEATURESMODEL 2000 W/2RM OPERATOR
VALVE OPERATION METHODMANUAL
VALVE SIZE8.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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