4820-01-177-4674 VALVE,SAFETY RELIEF Index 4810-01-177-4676 VALVE,BALL

National Stock Number:
4820-01-177-4675

Federal Supply Class:
4820

National Item Identification Number:
011774675

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:
11326801NB39DOVER RESOURCES INC DIV NORRISEAL
911H4191NB39DOVER RESOURCES INC DIV NORRISEAL
R2030-42AA-2KM1NB39DOVER RESOURCES INC DIV NORRISEAL
R2030-42AA-2KM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911H41991363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
COPPER ALLOY 954 FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
STEEL COMP 316 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B148 ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
AISI 316 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
MINIMUM OPERATING TEMP-30.0 DEG FAHRENHEIT
SPECIAL FEATURESBUNA-N O-RINGS


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