4820-01-342-6716 VALVE,SAFETY RELIEF Index 4820-01-342-6718 VALVE,BUTTERFLY

National Stock Number:
4820-01-342-6717

Federal Supply Class:
4820

National Item Identification Number:
013426717

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:
920-138 6IN1NB39DOVER RESOURCES INC DIV NORRISEAL
920-138 6IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920J1381NB39DOVER RESOURCES INC DIV NORRISEAL
M3011-645A 6IN1NB39DOVER RESOURCES INC DIV NORRISEAL
M3011-645A 6IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920J13891363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALIRON CAST UNS F32800 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY 400 STEM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
FACE TO FACE DISTANCE2.125 INCHES
VALVE SIZE6.000 INCHES
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER9.500 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING FACILITYLUG


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