4820-01-316-2982 VALVE,SAFETY RELIEF Index 4820-01-316-2984 VALVE,BALL

National Stock Number:
4820-01-316-2983

Federal Supply Class:
4820

National Item Identification Number:
013162983

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:
6" R1020-64AA-2E1NB39DOVER RESOURCES INC DIV NORRISEAL
6" R1020-64AA-2E91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
6" R1020-64AA-2E1NB39DOVER RESOURCES INC DIV NORRISEAL
6' R1020-64AA-2E1NB39DOVER RESOURCES INC DIV NORRISEAL
6' R1020-64AA-2E91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
6" R1020-64AA-2E91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911J5061NB39DOVER RESOURCES INC DIV NORRISEAL
911J50691363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911-50691363NORRISEAL NORRIS VALUES DIV DBA DOVER CO


Techincal Specification:
MATERIALSTEEL UNS J03002 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
NICKEL ALLOY 400 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM B164 CLASS 1 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
BUTTERFLY VALVE SIZE6.000 INCHES
SPECIAL FEATURESWATERPROOF WORM AND GEAR OPERATOR WITH BRONZE CASE,BRONZE SECTOR GEAR AND STAINLESS STEEL SHAFT FOR SHAFT MARINE APPLICATIONS.


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