4820-01-145-4186 VALVE,SAFETY RELIEF Index 4820-01-145-4188 VALVE,EXHAUST CONTROL

National Stock Number:
4820-01-145-4187

Federal Supply Class:
4820

National Item Identification Number:
011454187

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:
920-04491363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
920K04491363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R1011-64AA2KM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R1011-64AA2RM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP A O R E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALIRON CAST UNS F32800 BODYNICKEL ALLOY FLOW CONTROL DEVICERUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEATNICKEL ALLOY 400 STEM
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SPECIAL FEATURESWAFER SPAN TYPE+ WEATHERPROOF GEAR OPERATOR
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL


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