4820-01-202-9451 VALVE,CHECK Index 4820-01-202-9453 VALVE,CHECK

National Stock Number:
4820-01-202-9452

Federal Supply Class:
4820

National Item Identification Number:
012029452

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:
2342AMODBM805048422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
55325-B48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
55325MODBM805048422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE8.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALSTEEL UNS J92900 FLOW CONTROL DEVICE
MATERIALSTEEL UNS J92900 BODY
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS
NOMINAL THICKNESS0.688 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER4.125 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESSWING CHECK
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES


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