4820-01-273-1283 VALVE,SAFETY RELIEF Index 4820-01-273-1285 VALVE,BUTTERFLY

National Stock Number:
4820-01-273-1284

Federal Supply Class:
4820

National Item Identification Number:
012731284

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:
4" M2030-423B1NB39DOVER RESOURCES INC DIV NORRISEAL
4" M2030-423B91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
4" M2030-423B1NB39DOVER RESOURCES INC DIV NORRISEAL
4' M2030-423B1NB39DOVER RESOURCES INC DIV NORRISEAL
4' M2030-423B91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
4" M2030-423B91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911G5641NB39DOVER RESOURCES INC DIV NORRISEAL
911G56491363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911-56491363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 316 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B148 ALLOY 9B ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B148 ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY 954 FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 953 SEAT
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM PACKING
MATERIALSTEEL COMP 316 STEM
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING FACILITYWAFER
SPECIAL FEATURESFURNISHED WITH RULYN ELECTRIC ACTUATOR,MODEL MR-03
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODELECTRIC MOTOR
VALVE SIZE4.000 INCHES


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