4820-01-278-8644 VALVE,SAFETY RELIEF Index 4810-01-278-8646 VALVE,SOLENOID

National Stock Number:
4820-01-278-8645

Federal Supply Class:
4820

National Item Identification Number:
012788645

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:
2 1/2" R2030-42AA-1FM1NB39DOVER RESOURCES INC DIV NORRISEAL
2 1/2" R2030-42AA-1FM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
2 1/2" R2030-42AA-1FM1NB39DOVER RESOURCES INC DIV NORRISEAL
2 1/2' R2030-42AA-1FM1NB39DOVER RESOURCES INC DIV NORRISEAL
2 1/2' R2030-42AA-1FM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
2 1/2" R2030-42AA-1FM91363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911D4221NB39DOVER RESOURCES INC DIV NORRISEAL
911D42291363NORRISEAL NORRIS VALUES DIV DBA DOVER CO
911-42291363NORRISEAL 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 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 954 FLOW CONTROL DEVICE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIALSTEEL COMP 316 STEM
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SPECIAL FEATURESMARINE TRIM THROTTLING HANDLE. NON-SPARKING FOR FUEL SERVICE.
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL
VALVE SIZE2.500 INCHES


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