4820-01-212-9974 VALVE,BUTTERFLY Index 4820-01-212-9976 VALVE,BUTTERFLY

National Stock Number:
4820-01-212-9975

Federal Supply Class:
4820

National Item Identification Number:
012129975

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:
4IN R2030-64AA-2E91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911-51191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911G51191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
NICKEL ALLOY 400 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE SEAT
ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
BUTTERFLY VALVE SIZE3.000 INCHES
MOUNTING FACILITYWAFER
SPECIAL FEATURESWATERPROOF WORM AND GEAR OPERATOR WITH BRONZ CASE.


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