4820-01-260-6927 VALVE,SAFETY RELIEF Index 4820-01-260-6929 VALVE,BUTTERFLY

National Stock Number:
4820-01-260-6928

Federal Supply Class:
4820

National Item Identification Number:
012606928

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:
8" R3030-643A1NB39DOVER RESOURCES INC DIV NORRISEAL
8" R3030-643A91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
8" R3030-643A1NB39DOVER RESOURCES INC DIV NORRISEAL
8" R3030-643A91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
8' R3030-643A1NB39DOVER RESOURCES INC DIV NORRISEAL
8' R3030-643A91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920-09691363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920K0961NB39DOVER RESOURCES INC DIV NORRISEAL
920K09691363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920K9691363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B148 ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY 954 SEAT
MATERIALNICKEL ALLOY 400 STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SPECIAL FEATURESLIMITORQUE ADAPTER P/N 51610A468
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL
VALVE SIZE8.000 INCHES


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