4820-01-284-4865 VALVE,CHECK Index 4820-01-284-4867 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-284-4866

Federal Supply Class:
4820

National Item Identification Number:
012844866

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:
5272-1818-20B 2IN11661NEWDELL COMPANY, THE
527219182011661NEWDELL COMPANY, THE
C-5272-1818-20B11661NEWDELL COMPANY, THE


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE8.000 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER6.000 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER3.625 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.063 INCHES ALL ENDS
SPECIAL FEATURESSWING CHECK TYPE WITH POLYTETRAFLUOROETHYLENE GASKET
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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