4820-01-421-4704 VALVE,CHECK Index 4820-01-421-4706 VALVE,CHECK

National Stock Number:
4820-01-421-4705

Federal Supply Class:
4820

National Item Identification Number:
014214705

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
31F-CB2 6.00IN61661NEWMANS INC NEW JERSEY DIV
31F-CB2 6.00IN6A441COOK BROS MFG AND SUPPLY CO
NS73106CB2061661NEWMANS INC NEW JERSEY DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER9.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE14.000 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALSTEEL UNS J03002 BODY
MATERIALSTEEL UNS K91151 SEAT
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP800.0 FAHRENHEIT THIRD RESPONSE
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT FIRST RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER11.000 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
OPERATING PRESSURE170.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE80.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM THIRD RESPONSE
RAISED FACE NOMINAL DIAMETER8.500 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE6.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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