4820-01-213-0992 VALVE,SAFETY RELIEF Index 4820-01-213-0994 VALVE,BUTTERFLY

National Stock Number:
4820-01-213-0993

Federal Supply Class:
4820

National Item Identification Number:
012130993

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-1FM1NB39DOVER RESOURCES INC DIV NORRISEAL
4IN R2030-64AA-1FM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911-50891363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911G5081NB39DOVER RESOURCES INC DIV NORRISEAL
911G50891363NORRISEAL 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 CLASSIFICATIONQQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY 400 STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
SPECIAL FEATURESMARINE TRIM THROTTLING HANDLE. NON-SPARKING FOR FUEL SERVICE.
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL
VALVE SIZE4.000 INCHES


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