4820-01-313-5391 VALVE,SAFETY RELIEF Index 4820-01-313-5393 VALVE,PLUG

National Stock Number:
4820-01-313-5392

Federal Supply Class:
4820

National Item Identification Number:
013135392

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:
920J1811NB39DOVER RESOURCES INC DIV NORRISEAL
920J18191363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R285Z-147AA-2RM1NB39DOVER RESOURCES INC DIV NORRISEAL
R285A-147AA-2MM/920-181 6IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALIRON CAST UNS F32800 BODY
COPPER ALLOY 958 FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B148 ALLOY 958 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
FACE TO FACE DISTANCE6.010 INCHES
VALVE SIZE6.000 INCHES
MAXIMUM OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER8.750 INCHES ALL ENDS
NOMINAL THICKNESS2.130 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING FACILITYWAFER
SPECIAL FEATURESGEAR OPERATOR FIT FOR MARINE SERVICE


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