4820-01-257-9790 VALVE,SAFETY RELIEF Index 4820-01-257-9792 VALVE,BALL

National Stock Number:
4820-01-257-9791

Federal Supply Class:
4820

National Item Identification Number:
012579791

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:
12M2030-423B-2KM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
12M2030-423B-2MM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911M5601NB39DOVER RESOURCES INC DIV NORRISEAL
M2030-423B-2RM1NB39DOVER RESOURCES INC DIV NORRISEAL
911-56091363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911M56091363NORRISEAL 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 953 SEAT
MATERIALCOPPER ALLOY 954 FLOW CONTROL DEVICE
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM PACKING
MATERIALSTEEL COMP 316 STEM
SPECIAL FEATURESWEATHERPROOF WORM AND GEAR OPERATOR,BRONZE FOR MARINE SERVICE;WAFER TYPE
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU


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