4820-01-310-1747 VALVE,SAFETY RELIEF Index 4820-01-310-1749 VALVE,EXHAUST CONTROL

National Stock Number:
4820-01-310-1748

Federal Supply Class:
4820

National Item Identification Number:
013101748

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:
920-174 FIG R1011-64AM-1AM 3IN1NB39DOVER RESOURCES INC DIV NORRISEAL
920-174 FIG R1011-64AM-1AM 3IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
R1011-64AA-1AM 3IN1NB39DOVER RESOURCES INC DIV NORRISEAL
R1011-64AA-1AM 3IN91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALIRON CAST UNS F32800 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
NICKEL ALLOY 400 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM B164 CLASS B ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDGAS, NATURAL 1ST RESPONSE
ACETYLENE 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
BUTTERFLY VALVE SIZE3.000 INCHES
SPECIAL FEATURESWAFER SPAN TYPE


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