4820-01-417-4955 VALVE,BUTTERFLY Index 4820-01-417-4957 DISK,VALVE

National Stock Number:
4820-01-417-4956

Federal Supply Class:
4820

National Item Identification Number:
014174956

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:
4" R2030-44AA-191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
4" R2030-44AA-191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
4IN R2030-44AA-1A1NB39DOVER RESOURCES INC DIV NORRISEAL
4IN R2030-44AA-1A91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
4' R2030-44AA-191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONSSTM B148, ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY 954 FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY 400 STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MOUNTING FACILITYWAFER
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURESON-OFF HANDLE, 1J TOPWORKS
VALVE OPERATION METHODMANUAL
VALVE SIZE4.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU


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