4820-01-220-8828 VALVE,SAFETY RELIEF Index 5915-01-220-8830 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-220-8829

Federal Supply Class:
4820

National Item Identification Number:
012208829

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:
10219741NB39DOVER RESOURCES INC DIV NORRISEAL
59201F2931NB39DOVER RESOURCES INC DIV NORRISEAL
R2030-64AA-1FM 41PS1NB39DOVER RESOURCES INC DIV NORRISEAL
R2030-64AA-1FM 4IPS91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
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 FLOW CONTROL DEVICE
ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
BUTTERFLY VALVE SIZE4.000 INCHES
MOUNTING FACILITYWAFER
MINIMUM OPERATING TEMP-30.0 DEG FAHRENHEIT
SPECIAL FEATURESMARINE TRIM THROTTING HANDLE


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